Pps06 - 600mw Thermal Power Plant Manual.pdf

600MW COAL-FIRED POWER PLANT SIMULATION MODEL PWRSTND USER HELP MANUAL

Sim Infosystems Private Limited Chennai, India

Table of Contents 1 1.1 1.2 1.3 2 2.1

3 3.1 3.2 3.3 3.4 4

INTRODUCTION UNIT DESCRIPTION CONTROL SCHEME PROGRAM CAPABILITIES

4 4 4 5

PROCESS DESCRIPTION OVERVIEW 2.1.1 BOILER SECTION 2.1.2 TURBINE SECTION 2.1.3 GENERATOR 2.1.4 FURNACE AIR SECTION 2.1.5 WATER TREATMENT PLANT 2.1.6 COAL HANDLING PLANT 2.1.7 ASH HANDLING PLANT

6 6 6 10 15 16 17 26 27

INTSRUMENTS CONTROLLERS INDICATORS SWITCHES HAND CONTROLLERS

29 29 32 64 88

CONTROL SYSTEMS LOAD CONTROL (DMC02) COMBUSTION CONTROL 4.2.1 BOILER MASTER CONTROLLER (DMC14) 4.2.2 FUEL MASTER CONTROLLER (DMC01) 4.2.3 AIR MASTER CONTROLLER (DMC03) 4.2.4 FURNACE PRESSURE MASTER CONTROLLER (DMC04) 4.3 STEAM TEMPERATURE CONTROL 4.4 HP TURBINE BY-PASS CONTROL 4.5 LP TURBINE BY-PASS CONTROL 4.6 CONDENSATE FLOW AND DEAERATOR LEVEL CONTROL 4.1 4.2

5

92 92 92 93 93 94 95 96 97 98 99

LOGICS 5.1 BOILER PURGE 5.2 BOILER TRIP 5.3 TURBINE TRIP 5.4 GENERATOR TRIP 5.5 CONDENSATE PUMPS 5.6 FEEDWATER PUMPS 5.7 INDUCED DRAFT FANS 5.8 FORCED DRAFT FANS 5.9 PRIMARY AIR FANS 5.10 MILLS 5.11 COOLING WATER SYSTEM

109 109 110 110 111 112 113 114 115 116 118 122

6.1 6.2 6.3 6.4

PLANT DESIGN DATA BOILER DATA TURBINE DATA GENERATOR DATA PUMPS and FANS DATA

124 124 124 126 127

7.1 7.2 7.3 7.4 7.5

600MW START-UP PROCEDURE WATER TREATMENT PLANT COAL HANDLING PLANT CWP SYSTEM OPEN CYCLE COOLING WATER SYSTEM CLOSED CYCLE COOLING WATER SYSTEM

128 128 129 130 130 130

6

7

2

7.6 TURBINE LUBE OIL SYSTEM 7.7 EH OIL SYSTEM 7.8 GEN SEAL OIL SYSTEM 7.9 GEN H2 COOLING SYSTEM 7.10 GEN STATOR COOLING WATER SYSTEM 7.11 CONDENSATE WATER SYSTEM 7.12 MOTOR DRIVEN BFP 7.13 ID FAN A LUBE OIL SYSTEM 7.14 ID FAN A 7.15 FD FAN A LUBE OIL SYSTEM 7.16 FD FAN A 7.17 ID FAN B LUBE OIL SYSTEM 7.18 ID FAN B 7.19 FD FAN B LUBE OIL SYSTEM 7.20 FD FAN B 7.21 GAS AND AIR SYSTEM 7.22 BOILER PURGE 7.23 BOILER LIGHT-UP 7.24 VACCUM PULLING 7.25 GLAND STEAM SYSTEM 7.26 TURBINE BY-PASS OPERATION 7.27 TURBINE ROLLING 7.28 SYNCHRONISING 7.29 LOAD RISING 7.30 PA FAN A LUBE OIL SYSTEM 7.31 PA FAN A 7.32 SEAL AIR FAN A 7.33 MILL A LUBE OIL SYSTEM 7.34 MILL A 7.35 MILL B LUBE OIL SYSTEM 7.36 MILL B 7.37 ASH HANDLING PLANT 7.37.1 FLY ASH 7.37.2 BOTTOM ASH 7.38 LOAD RISING 7.39 BFPT A LUBE OIL SYSTEM 7.40 BFPT A 7.41 MILL C LUBE OIL SYSTEM 7.42 MILL C 7.43 LOAD RISING 7.44 BFPT B LUBE OIL SYSTEM 7.45 BFPT B 7.46 LOAD RISING 7.47 SWITCHING TO AUTO CONTROL 8

130 131 131 132 132 133 133 134 134 135 135 135 136 136 136 137 137 137 139 139 139 140 141 142 143 143 143 144 144 145 145 145 145 146 146 147 148 148 148 149 149 150 150 151

600MW SHUT-DOWN PROCEDURE LOAD DECREASING

152 152

9

600MW THERMAL POWER PLANT MODEL-GRAPHICS

155

10

600MW POWER PLANT MALFUNCTIONS

187

11

600MW POWER PLANT DISTURBANCES

198

12

GLOSSARY

205

13

LEGENDS

206

8.1

3

1 INTRODUCTION The Reference Power Plant Program PWRSTND is a comprehensive, dynamic simulation of a coal/oil-fired, tandem-compound steam turbine-generator power plant. The program is designed to operate on a PROGENSIM simulator, which consists of DCS emulation and Instructor Functions. The power plant consists of a natural circulation steam generator (boiler), uses pulverized coal/oil for fuel, and has a tandem-compound turbine-generator rated at 600 MW, with throttle steam conditions of 16.8 Mpa and 540 C.

1.1 UNIT DESCRIPTION Functionally, the power plant can be divided into five main sections: • • • • •

BOILER Section. TURBINE Section. GENERATOR Section. DEH Section & Master Controller. Balance of Plant (WTP, CHP and AHP)

The Boiler Section Contains Steam Drum, SH & RH System, OA Oil Layer Elevation, OB Oil Layer Elevation, OC Oil Layer Elevation, OD Oil Layer Elevation, Flame System, Mills A, B, C, D, E, & F, Burner System, Gas & Air System, Seal Air Fan System, Induced Draft, Forced Draft & Primary air Fans Lube Oil System, Furnace System. The Turbine Section contains Steam Extraction System, Gland Steam system, HP Heater, LP Heater, BFPT Steam System, Condensate System, Feed Water System, BFPT-A, B Lube Oil System, HP-LP By-Pass system, Vacuum System, Turbine Lube Oil System, TSI, Open & Closed Cooling Water System, Auxiliary Steam Header System. The Generator Section contains Generator Stator Cooling system, Generator Hydrogen Cooling System, Seal Oil System, Generator System. DEH System contains EH Oil System, DEH Governing System & Master Control System.

1.2 CONTROL SCHEME The process control scheme consists of 137 Controllers, 129 Hand Controllers, 1344 Indicators and 1102 Switches. These instruments control and/or monitor all key operating variables important to safe and efficient operation of the plant. Control also includes of a number of logic trips and interlocks throughout the plant.

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1.3 PROGRAM CAPABILITIES This Program has DESIGN STATE (100 % load), COLD START-UP, HOT START-UP and WARM START-UP capabilities. When initialized in the DESIGN STATE mode, the simulated process begins operating at the 100 % load condition. When initialized in the COLD START-UP mode, the simulated process begins operating at a point normally associated with a cold plant. When initialized in the HOT START-UP mode, the simulated process begins operating at a point where boiler is in hot box-up condition SH and RH temperature above 400DegC. When initialized in the WARM START-UP mode, the simulated process begins operating at a point where boiler is in hot box-up condition SH and RH temperature above 300DegC. The COLD START and SHUT DOWN procedures are provided separately. Also included in the program is the capability to modify the simulated process at the instructor station by changing the value of 53 instructor variables or by introducing any of 61 instructor faults. Instructor variables enable the instructor to set plant conditions by adjusting operating parameters not accessible to the student. Instructor faults inject the failure or malfunction of specific equipment and instrumentation into the process. The complete description of all instructor faults and instructor-controlled variables are provided.

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2 PROCESS DESCRIPTION The power plant produces electrical power via a coal-fired, steam generating boiler. The steam produced by the boiler drives a 3000 rpm, 600 MW tandem-compound turbinegenerator. The turbine system consists of high (main steam), intermediate (reheat steam), and low pressure sections. This Chapter gives mechanical and functional descriptions of the major equipment and processes.

2.1 OVERVIEW A coal based thermal power plant converts the chemical energy of the coal into electrical energy. This is achieved by raising the steam in the boilers, expanding it through the turbine and coupling the turbines to the generators which converts mechanical energy into electrical energy.

2.1.1 BOILER SECTION The main pieces of equipment in a power plant are operated for the purpose of transforming energy from one form to another, such as in the furnace, the steam turbine, and the electric generator. Other equipment merely transfers energy from one fluid to another. The steam generator (boiler) is a combination of equipment that involves both transformation and transfer of energy. A chemical transformation of energy takes place in the furnace (boiler) and heat is transferred from the products of combustion through the various heating surfaces of the boiler. The boiler-turbine cycle begins at the boiler, since this is where both the transformation and transfer of energy take place. A single-furnace, natural circulation, reheat-type steam generator supplies steam for the turbo-generator. A pendant type secondary super heater is located just above the furnace deflection arch. A pendant type re-heater is located above the arch, just downstream from the secondary super heater. A continuous tube, drainable type primary super heater and the economizer are located in the convection pass. The combustion gases leaving the convection pass (exhaust flue) are tied into a duct serving the Regenerative air heater. Water is introduced into the boiler where the heat generated by combustion is transferred to the water. A transformation of water to steam begins to take place in the water walls, and the water-steam mixture flows to the steam drum. The saturated steam released in the drum flows through a set of “impact dryers” to the super heaters where, by convection heat transfer to the super heater coils, it becomes superheated steam. The superheated steam flows through the steam lines to the turbine, where it expands across 6

the turbine blades, providing rotational drive to the turbine. In summary, then, steam is used to transfer the heat energy from the boiler to the turbine; the heat energy is transformed to mechanical energy in the turbine to drive the electric generator. The expanded steam cools and is exhausted to a condenser where it is transformed back to water. This water is then pumped through the condensate and feed-water sections, where it is heated and returned to the boiler to repeat the cycle. In order to increase the efficiency of the cycle, steam is extracted from several stages in the turbine and directed to feedwater heaters to heat the water being returned to the boiler. In the generator, the mechanical energy is transformed to electrical energy that is conveyed through the electrical grid. The functions of a boiler thus can be stated as:1. To convert chemical energy of the fuel into heat energy 2. To transfer this heat energy to water for evaporation as well to steam for superheating. 2.1.1.1 STEAM DRUM The steam drum acts as a heated feed-water collector and steam flash drum, producing steam at a rate of 1872 Ton/h. A manual vent at the top of the drum vents the drum during start-up and shutdown. An automatic safety relief valve also vents the drum if a high steam pressure condition arises. Design steam drum pressure is 16.8 MPa. Steam drum level is maintained at -24 mm below the midpoint, with an allowable shrink and swell of 40 mm. This is done by a combination of automatic feed-water flow and steam flow. Feed-water entering the steam drum is cooler, therefore denser, than the water already in the drum, and sinks to the bottom of the drum. The water leaves the bottom of the drum and enters the boiler water circulating system, where it travels through down comer lines into the water wall inlet drums. The water leaves the inlet drums and rises up the water wall tubes where it is heated directly by the furnace combustion process (both radiant and convective heat transfer). Steam bubbles form in the water and the mixture rises up the water wall and flows back into the steam drum. In the drum, the steam is released (flashed) and rises up into the upper section of the drum through “impact dryers”. This steam then leaves under pressure via steam lines to the boiler super heater coils, Water not converted to steam mixes in the drum with fresh feed-water and repeats the above cycle. Dissolved solids are always present in the steam drum; therefore blow down is used to control solids buildup, by flushing off a portion of the water in the drum. The impurities are drained to waste.

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2.1.1.2 WATER WALLS The water walls inlet drum is located at the base of the water walls. It receives the circulating boiler water. The outlet orifices distribute the water evenly to the water walls riser tubes. The water wall tubes rise up through the hottest section of the boiler, the combustion section, where the direct radiant heat of the burner flames is transferred through the tubes to the rising water. By absorbing heat, this water also serves to keep the furnace walls cool. Approximately 25 percent of the water is formed into steam bubbles in the water walls. The steam-water mixture flows up the tubes into the steam drum, where the generated steam bubbles are released into the vapor space in the upper part of the drum. The remaining water mixes in the lower part with incoming feed-water and is returned to the boiler water circulation loop.

2.1.1.3 ECONOMIZER It is located below the LPSH in the boiler and above pre-heater. It is there to improve the efficiency of boiler by extracting heat from flue gases to heat water and send it to boiler drum.

Schematic diagram of an Economizer

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Advantages of Economizer:1. Fuel economy: -used to save fuel and increase overall efficiency of boiler plant. 2. Reducing size of boiler: – as the feed water is preheated in the economizer and enter boiler tube at elevated temperature. The heat transfer area required for evaporation reduced considerably 2.1.1.4 AIR PRE-HEATER (APH) The heat carried out with the flue gases coming out of economizer are further utilized for preheating the air before supplying to the combustion chamber. It is necessary equipment for supply of hot air for drying the coal in pulverized fuel systems to facilitate grinding and satisfactory combustion of fuel in the furnace. 2.1.1.5 RE-HEATER (RH) Power plant furnaces may have a re-heater section containing tubes heated by hot flue gases outside the tubes. Exhaust steam from the high pressure turbine is rerouted to go inside the re-heater tubes to pick up more energy to go drive intermediate or lower pressure turbines. 2.1.1.6 COAL FUEL SYSTEM Six coal pulverizes (mills) are provided to deliver powdered coal-air mixture to each burner level. Five mills are used to run the plant at full load (design) condition and one is standby condition. The plant can run with five mills at full load, if one mill is shut down for maintenance. The pulverizer is medium speed, bowl mill type units. The bowl is rotated by a worm gear driven by an electric motor. Coal is fed into a feed hopper and passes through a stop valve to a rotary feeder. The speed of the feeder determines the rate at which coal is fed to the mill. Feeder speed responds to the furnace fuel demand. From the feeder, the coal travels down the feed shaft to the revolving mill bowl, where the grinding rollers finely crush the coal. The powdered coal is fluidized with primary air forced under pressure into the mill. Primary air for the mills is a mixture of hot air forced into the mill body by the primary air fans, and atmospheric air drawn into the mill air ducts. The flow of primary air is controlled by atmospheric air inlet damper and hot air damper, regulated by a mill temperature controller. The air travels through the ductwork and is forced upward through the pulverizer bowl. The air current carries the powdered coal upward through the mill body, passing through the classifier vanes, which deflect larger pieces of coal back into the grinding zone. The coal-air mixture is carried up through the top of the mill and into the exhaust 9

duct. A high mill pressure differential can indicate restricted primary air flow or too high a coal feed, which can result in high motor currents or high mill temperature conditions. The primary air fan provides transport energy for the coal-air mixture to the burners. It pushes the mixture out of the mill, while its discharge pressure overcomes flow resistance in the narrow fuel piping to the burners. Correct fuel flow is maintained by constant automatic regulation of the feeder speed. Mill primary air flow control is based on the coal feeder speed. The mill temperature is maintained by regulation of the hot and cold primary air balance. 2.1.1.7 MAIN FUEL OIL SYSTEM This system consists of two fuel oils LDO and HFO system, a steam heater, a trip valve, a flow control valve, and four burners housed in the wind box assembly, at each of the four levels. The main fuel oil is typically heavy, which must be preheated in the oil heater for better flow characteristics. An atomizing system is included for efficient oil combustion. A return line from oil distribution header to the supply tank is included, so that the oil is circulated and kept at proper temperature before opening any oil burner valve

2.1.2 TURBINE SECTION The turbine is a tandem-compound, double exhaust, and condensing reheat unit. The turbine sections (high, intermediate, low) share a common drive shaft that turns the generator to produce a load of 600 MW. High pressure steam (throttle steam, 16.8MPa, 540 C) from the boiler drives the high pressure turbine. The high pressure turbine exhaust steam (cold reheat steam) flows back to the boiler where it is reheated. The hot reheat steam (540 C) drives the intermediate pressure turbine. The exhaust steam from the intermediate pressure turbine drives the low pressure turbine. Superheated steam flows from the boiler through the main stop valve and four control valves, and enters the high pressure turbine. Steam passes along the turbine blades and out through exhaust openings in the outer casing base, and then flows back to the reheater. It returns from the re-heater as hot reheat steam to the intermediate pressure turbine. The intermediate turbine is a straight reaction, single flow unit. The reheat steam enters this turbine through the reheat stop/intercept valve mounted on the outer casing. The outlet of this valve is connected to the turbine inlet chamber. Steam enters at the end of the blade path and flows toward exhaust openings at the other end of the casing base. The exhaust opening is connected through a crossover pipe to the governor end of the low pressure (LP) turbine. The LP turbine is a straight reaction double flow machine, with steam entering the cylinder base at the center of the blade path and flowing toward an exhaust opening at each end of the casing. These exhaust openings discharge into the 10

condenser unit. Openings are provided on the three turbine casings through which steam is extracted for feed-water heating. 2.1.2.1 HP TURBINE Steam is admitted to the high pressure (HP) turbine through the main stop valve at the inlet to the steam chest. The valve is fully open at design load, but can be closed quickly in emergency situations. Four control valves (GCV01, GCV02, GCV03 & GCV04) vary the flow of steam to the HP turbine depending on the load requirements. The control valves regulate the steam flow from the steam chest to the turbine blades through nozzle blocks (one for each control valve). The four control valves are opened sequentially, with overlapping ranges. The main steam is provided with a stop valve bypass to assist in starting up the turbine. The bypass (PC014) is open while the turbine is warming up and being brought up to speed, allowing steam to enter the four nozzle block chambers, to decrease stress and permit even heating. The steam is admitted over the full 360 degrees arc of the turbine nozzle blocks (called “full arc” admission). The bypass is sized to allow only enough steam to bring the turbine up to speed, and possibly to lightly load the turbine. Control is then transferred to the control valves (called “partial” arc admission), and the bypass valve is closed. The high pressure steam rotates the turbine blades as it expands in volume to fill the turbine. The pressure drop of the steam across the blades increases the speed of rotation. 2.1.2.2 IP TURBINE Hot reheat steam flows to the intermediate pressure (IP) turbine through the reheat stop/ intercept valve. The function of the stop/intercept valve, besides admitting steam to the turbine, is to close quickly if the turbine trips. The stop/intercept valve protects the turbine from accelerating to dangerous high speeds during shut-down. As the pressure drop increases along the turbine blades, the velocity of turbine rotation increases. The expended steam exits through exhaust openings in the turbine casing. 2.1.2.3 LP TURBINE Exhaust steam from the intermediate pressure turbine crosses over through a low pressure line to drive the low pressure (LP) turbine. The exhaust steam being condensed in the condenser creates a vacuum. This vacuum imparts some extra energy to help drive the turbine.

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2.1.2.4 HP/LP TURBINE BYPASS SYSTEM A HP/LP Turbine Bypass System is provided, which connects the Main Steam Header to the condenser. It includes 3 pressure controllers (PC014, PC023 & PC024) and 3 temperature controllers (TC033, TC034 & TC035). This system is activated during start-up or during hot stand-by condition, when the turbine is tripped, but the boiler is prevented from tripping by setting a relay. 2.1.2.5 TURBINE GLAND SEALING SYSTEM The function of the gland seal system is to pressurize and seal the bearing chambers of the turbines to prevent air from entering the turbines, and to keep steam from escaping. The gland seal system operates by providing auxiliary header steam to the gland seal of each turbine. The pressure of the steam keeps air from coming into, and steam from escaping, the turbines. The gland steam leaves the seals through drains to the gland seal condenser in the condensate system. The liquid in the gland seal condenser drains to the condenser, and released gases are discharged from the condenser by an exhaust fan. 2.1.2.6 CONDENSATE SYSTEM The condenser condenses the steam from the exhaust of the turbine into liquid to allow it to be pumped. If the condenser can be made cooler, the pressure of the exhaust steam is reduced and efficiency of the cycle increases. The functions of a condenser are:1. To provide lowest economic heat rejection temperature for steam. 2. To convert exhaust steam to water for reserve thus saving on feed water requirement. 3. To introduce make up water. The condensate system begins at the condenser and ends at the deaerator. Steam, which has been expanded through the turbine low pressure section, exhausts into the condenser, where it is cooled and condensed. The condensate collects in the hot-well. The hot-well provides suction for the condensate pumps, which send the water through the gland steam condenser, and six low pressure heaters. It then flows to the deaerator, collects in the deaerator tank, and then flows to the suction side of the feed-water pumps (FWP). Also, the condensate system supplies water for the turbine exhaust hood spray system. In addition, the condensate system supplies water for the LP Turbine Bypass attemperator spray system.

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2.1.2.7 CONDENSATE PUMPS The hot-well water provides suction to the three condensate pumps (PS34, PS35 & PS36), which force the condensate through the CPP and gland steam condenser, through the low pressure heaters, and into the deaerator. An in-line recirculation control valve (FC001) at the pump discharge (after the gland steam condenser) allows flow of the condensate back to the hot-well and deaerator level control valve (LC001) provided for deaerator level maintenance. Each pump has a nominal capacity of 50% of full load. Two pumps are in operation at full load condition. The third pump is used as a stand-by for emergencies. 2.1.2.8 HOT-WELL AND MAKE-UP SYSTEM The hot-well serves as a condensate reservoir. All water generated in the condenser flows into the hot-well. The hot-well level is maintained to provide adequate suction head for the condensate pumps by the make-up system, which supplies water to the hot-well during load increases. If the hot-well level starts to fall, the level control (LC012) feeds water through the make-up valve from the make-up storage tank via a make-up pump (PS32 & PS33). 2.1.2.9 FEED-WATER SYSTEM The feed-water system supplies the boiler with required quantities of heated, highpressure water to satisfy the plant demands during start-ups, shut-downs, and normal operation. The feed-water system begins at the deaerator and ends at the economizer. From the LP heaters, the condensate flows into the deaerator. The deaerator removes oxygen that has entered the lines through valves and pumps within the condensate system. Dissolved oxygen in the water can be highly corrosive at the temperatures and pressures in the feed-water/boiler system, and so must be removed. The condensate in the deaerator is heated by extraction steam from the IP turbine. The extraction steam enters through the top of the deaerator, and by surface contact heats the condensate to about 175 degC. Some heat is also supplied by drainage from the high pressure heaters. During start-up, “pegging” steam is supplied through a pressure control valve from the auxiliary steam header. The dissolved oxygen is released by the heating action and vented off the deaerator. The condensate then flows from the deaerator into the storage tank, which is directly below, and connected by ports to, the deaerator. At the bottom of the storage tank is a connection leading to the suction header for the feed-water pumps. The header branches into a separate suction line for each pump. The normal storage tank level is 300-1200 millimeters, and the tank capacity provides about 3.0 minutes supply to the pumps at its normal outlet rate. The storage tank level is 13

maintained at operating level automatically by a level control valve in the discharge line from the condensate pumps. The storage tank level must be maintained to prevent suction loss to the feed-water pumps. 2.1.2.10

FEED-WATER FLOW PATH:

The boiler feed pumps take their suction from the deaerator storage tank. The water discharges from the pumps into the high pressure feed-water header. The feed-water then passes through the three high pressure feed-water heaters (HPH1, HPH2 & HPH3). From the heaters, the flow of feed-water enters the economizer, where it is further heated by heat transfer from exhaust flue gases in the furnace, before passing on to the steam drum. A recirculation line is provided for each feed water pump, in order to maintain minimum suction flow to the pump. The feed-water system also supplies spray water from the pump discharge header to the super-heater, the re-heater, and the HP Turbine Bypass System attemperators. 2.1.2.11

FEED-WATER PUMPS:

Two turbo-driven and one motor driven, centrifugal pumps are provided (TDBFP-A, TDBFP-B, MDBFP-C). Each pump has a nominal capacity of 50 % of full load. Hence, two pumps (turbo-driven) are in operation at full load condition. The third pump is used as a stand-by for emergencies or start-up. The pump speed is automatically controlled by the drum-level control valve, or manually from an auto/manual station. The deaerator storage tank provides suction to the feed-water pumps. The pumps increase the feed-water pressure to about 19.91 MPa, enough to overcome gravity, hydraulic drag, drum pressure, and other resistances in the system. This ensures sufficient water flow to the boiler to support steam production demands. The feed-water pump also supplies spray water through a discharge manifold to the spray headers of the superheat, reheat, and HP turbine bypass attemperators. This arrangement ensures that the attemperators are supplied with spray water at the required pressures and flows under all conditions of constant or variable throttle pressure operation. 2.1.2.12

AUXILIARY STEAM HEADER

An Auxiliary Steam Header is provided to supply steam to the deaerator at start-up, and also to the steam air heater, turbine gland steam header, condenser air ejectors, and the fuel oil heater. This header is connected to an auxiliary boiler and also to the HP turbine exhaust line via a valve, which is opened when the plant load is above 50%.

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2.1.3 GENERATOR Generator or Alternator is the electrical end of a turbo-generator set. It is generally known as the piece of equipment that converts the mechanical energy of turbine into electricity. The generation of electricity is based on the principle of electromagnetic induction. The generator is a hydrogen-cooled, two-pole generator, operating at 3000 rpm (or 3000 rpm, depending on the system frequency), rated at 372 MVAR, 600 MW, and 50 Hz. It has a power factor rating of 0.85. It provides an output (terminal) voltage of 20.0 KV, feeding the low side of the main transformer. The high side of the main transformer feeds the 138 KV electrical grid. It also supplies power to an auxiliary bus via a 11KV transformer. The generator is provided with a motor-driven exciter and a voltage regulation system. 2.1.3.1 GENERATOR EXCITER AND VOLTAGE REGULATOR The generator terminal voltage is controlled by an exciter/voltage regulation system. The exciter is a motor-driven generator providing a voltage of 11KV and a current of 1425 amperes to the generator terminals. A field breaker, when closed, carries the exciter current to the generator terminals. The generator incoming voltage (high side of main transformer) must be slightly higher than the grid voltage. The incoming voltage is adjusted by varying the output of the exciter. The voltage regulator increases or decreases the exciter field current. The field current, in turn, determines the generator terminal voltage. 2.1.3.2 GENERATOR COOLING The generator is cooled by hydrogen to remove the heat generated by excitation, and friction. Hydrogen is supplied at a pressure of 4.88 MPa and is held in the generator by hydrogen seals located at both the inboard and outboard ends of the generator shaft. A heat exchanger is included to cool the hydrogen by supplying cooling water through the hydrogen cooling water pump. Flow of the water is controlled based on the hydrogen. A stator cooling water pump is used for cooling the generator stator, using demineralized, tempered water 2.1.3.3 HYDROGEN SEAL SYSTEM The hydrogen seal oil pump supplies oil at 0.35MPa to special seals that are installed at each end of the generator shaft. These seals prevent hydrogen in the generator casing from leaking to the atmosphere, by keeping the oil pressure against the seals higher than the hydrogen pressure. Seal oil is also supplied to the air side seals to prevent air and moisture from leaking into the generator seals and contaminating the hydrogen. 15

2.1.4 FURNACE AIR SECTION This section deals with the flow of combustion air to and through the furnace, the heat transfer to the water and steam lines, and the flow of exhaust gases through the furnace to the stack. The furnace is a balanced draft type with forced draft fans supplying air for combustion, induced draft fans regulating the draft (pressure) and drawing the products of combustion through the furnace, across the air heater and precipitator, and discharging them to the stack. 2.1.4.1 FORCED DRAFT FAN Two forced draft fans (PS62 & PS63) provide combustion air to the boiler. The fans force atmospheric air through their inlet vanes through ductwork to the coal pulverizer, and through the furnace wind box air dampers to the burner compartments. The fans are single-speed, and motor-driven. Inlet control vanes for each fan control the volume and flow of the atmospheric air. The amount of air handled by the fans increases or decreases as the variable vane positions are increased or decreased. The amount of airflow is regulated automatically based on steam production requirements. The discharge dampers at the outlet of each fan are opened or closed depending on whether or not the fan is operating. The fan load is indicated by the current load on the fan. 2.1.4.2 INDUCED DRAFT FAN Two motor-driven induced draft fans (PS64 & PS65) maintain a continuous flow of hot combustion gases through the furnace. The removal of spent gases is necessary to make room for hot gases being produced by combustion and to maintain furnace draft. The gases are drawn through the exhaust duct and discharged out the stack by variable-speed induced draft (ID) fans. The ID fans variable inlet vanes control the volume of gas drawn through the fans. The greater the vane opening. The greater the volume of gas evacuated by the fans through the stack. Precise control of the damper position and fan speed is necessary to maintain the required furnace internal pressure (slightly below atmospheric pressure), which maximizes combustion efficiency. 2.1.4.3 PRIMARY AIR FAN Two primary air fans (PS60 & PS61) provide air to the all (six) coal mills to carry the pulverized coal to the furnace. The hot air takes from the discharge of the air pre-heater, and force it through the coal pulverizer, and to the coal burners.

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The fans are single-speed, and motor-driven. Hot and cold air dampers at the inlet of each fan control the temperature of air leaving the pulverizer. A damper at the discharge of each fan controls the amount of primary airflow to each coal mill, and is regulated automatically based on the coal flow. 2.1.4.4 ELECTRO-STATIC PRECIPITATOR (ESP) Fly ash in the exhaust gas is removed by electrostatic precipitators located in the exhaust duct. These remove most of the ash from the exhaust, protecting the induced draft fan blades, and providing clean clear exhaust. As the exhaust passes through the induced draft fans and out the stack, the opacity of the gas is measured. Because of the precipitator action, the opacity is generally no more than 15 percent.

Schematic diagram of Fuel Gas & Air System

2.1.5 WATER TREATMENT PLANT Water is a universal solvent, which contains lot of impurities that are to be removed depending on its end use. The common impurities present in water are classified as Suspended impurities and dissolved impurities. In WTP the suspended impurities are

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removed by filtration and the dissolved impurities are removed by ion-exchange process to make them De-ionized water . Demineralization of water can be effectively carried out by Ion-Exchange process. Ionexchange is a rapid and reversible process in which impurity ions present in the water are replaced by ions released by an ion-exchange resin. Ions are electrically charged atoms or molecules found in water that have either a net negative or positive charge(An ion is an atom or group of atoms with an electric charge. Positively-charged ions are called cations and are usually metals; negatively-charged ions are called anions and are usually non-metals). For many applications that use water as a rinse or ingredient, these ions are considered impurities and must be removed from the water. Ion exchange resins are used to exchange non desirable cations and anions with hydrogen and hydroxyl, respectively, forming pure water (H2O), which is not an ion. The impurity ions are taken up by the resin, which must be periodically regenerated to restore it to the original ionic form. The following ions are widely found in raw waters: Cations

Anions

Calcium (Ca2)+

Chloride ( Cl)-

Magnesium (Mg2)+

Bicarbonate (HCO3)-

Sodium (Na)+

Nitrate (NO3)-

Potassium (K)+

Carbonate (CO3)2-

2.1.5.1 ION EXCHANGE RESINS There are two basic types of resin - cation-exchange and anion-exchange resins. Cation exchange resins will release Hydrogen (H+) ions or other positively charged ions in exchange for impurity cations present in the water. Anion exchange resins will release hydroxyl (OH-) ions or other negatively charged ions in exchange for impurity anions present in the water.

18

There are three ways in which ion-exchange technology can be used in water treatment and purification : 1. Cation-exchange resins alone can be employed to soften water by base exchange. 2. Anion-exchange resins alone can be used for organic scavenging or nitrate removal. 3. Combinations of cation-exchange and anion-exchange resins can be used to remove virtually all the ionic impurities present in the feed water, a process known as deionization. Water deionizers purification process results in water of exceptionally high quality than conventional distillation. De-Mineralization Plant unit comprises of : • Pressure Sand Filter (PSF) • Activated Carbon Filter (ACF) • Strong Acid Cation Exchanger (SAC) • Weak Base Anion Exchanger (WBA) • Degasser • Strong Base Anion Exchanger (SBA) • Mixed Bed Exchanger (MB)

2.1.5.2 PROCESS DESCRIPTION ⇒ Water after passing through initial screening is pumped(PMP01/PMP02)into a series of Pressure Sand Filter(PSF) and Activated Carbon Filter (ACF) to remove the suspended impurities such as mud, clay, salt etc. ⇒ The outlet of water after passing through PSF and ACF through a flow controller SFC01 and then a Level Controller SLC01 will be zero ppm in turbid level. ⇒ Then water enters the ion-exchangers to get rid of dissolved impurities . ⇒ The water enters the Strong Acid Cation(SAC) exchanger (first of the ion -exchange unit) through a Level Controller valve SLC02. 19

⇒ In SAC , the water is freed from alkaline substances(removal of hardness) such as bi - carbonates of Calcium, Magnesium and Sodium and becomes soft water. ⇒ Then it enters the Anion Exchangers through SLC03. ⇒ The first of Anion Exchangers is Weakly Basic Anion (WBA)Exchanger. ⇒ WBA resins remove only the strong acids after cation exchange. They are not capable of removing the weak acids such as SiO2 and CO2. ⇒ Then the water enters the De-Gasser , through SLC04 where the dissolved gasses (like CO2) present in water is removed. ⇒ The water after freed from dissolved gasses enters Strongly Basic Anion(SBA)Exchanger through a pump (PMP / PMP ) and a Flow controller SFC02, which is cascade to a Level Controller SLC07. ⇒ In SBA Exchanger , removal of weak acids and Nitrates take place. ⇒ Then the water enters the mixed bed (MB) Exchanger, through a Level Controller SLC05. ⇒ In mixed-bed deionizers the cation-exchange and anion-exchange resins are intimately mixed and contained in a single pressure vessel. ⇒ The water quality obtained from a mixed-bed deionizer is appreciably higher than that produced by a two-bed plant. ⇒ Although more efficient in purifying the incoming feed water, mixed-bed plants are more sensitive to impurities in the water supply and involve a more complicated regeneration process. Mixed-bed deionizers are normally used to ‘polish' the water to higher levels of purity after it has been initially treated by either a two-bed deionizer or a reverse osmosis unit. ⇒ The treated DM water will be stored in a DM water tank or its end use through SLC06, and will be taken to process equipment’s via DM pump. ⇒ The waste water collected from different exchangers will be stored in an effluent pit and will be taken to Effluent treatment plant via effluent pump.

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2.1.5.3 EQUIPMENT DESCRIPTION The following Equipment’s are involved in the plants; 1. Pressure Sand Filter. 2. Activated Carbon Filter. 3. Strong Acid Cation Exchanger. 4. Weak Base Anion Exchanger. 5. Degasser Tower. 6. Strong Base Anion Exchanger. 7. Mixed Bed System. 2.1.5.3.1 PRESSURE SAND FILTER (PSF)

PSF is used to remove the suspended solids like turbidity, mud, clay, dirt, silt, algae bacteria, microorganism etc. All Units operate in down flow mode, where the water enters from the top, percolates through the media and treated water is collected from the bottom. 2.1.5.3.2 SEQUENCE OF OPERATION

Service: The water to be filtered enters from the top of the shell, percolates downward through the media and is drawn off from the bottom. Backwash: The water enters from the bottom of the vessel, passes through the media and is drained from the top. This is called BACKWASH and it is done to carry the dirt accumulated on the top. Generally back washing is done once in every 24 hrs. Back washing of filter should always be carried out using clean water. Rinse: The water enters from the top passed through the media and is drained off from the bottom. 2.1.5.3.3

ACTIVATED CARBON FILTER (ACF)

ACF is used to remove the free residual chlorine, iron content, organic matter, vegetable matter, coloring matter and also suspended solids.

21

2.1.5.3.4 SEQUENCE OF OPERATION

Service: The water to be filtered enters from the top of the shell, percolates downward through the media and is drawn off from the bottom. Backwash: The water enters from the bottom of the vessel, passes through the media and is drained from the top. This is called BACKWASH and it is done to carry the dirt accumulated on the top. Generally back washing is done once in every 24 hrs. Back washing of filter should always be carried out using clean water. Rinse: The water enters from the top passed through the media and is drained off from the bottom. 2.1.5.3.5

STRONG ACID CATION (SAC) EXCHANGER

The filtered water from activated carbon filter enters the cation exchanger through 12" header and gets uniformly distributed over the resin bed. During passage through the cation bed, the cations such as calcium (Ca++), magnesium (Mg++) and sodium (Na+) present in the water get exchanged with hydrogen ions. Resin form: RH+ ion Color: Golden yellow Density: 1.3-1.4 gm/cm3 Service: The filtered water enters from the top of the shell, percolates downward through the cation media and is drawn off from the bottom. 2RH+ + CaCl2 → R2Ca++ + 2HCl 2RH+ + MgCl2 →R2Mg++ + 2HCl 2RH+ + 2Nacl →2RNa+ + 2HCl For countercurrent regeneration steps as follows: • Backwash • Acid Injection (5% HCl) with down flow of air or water • Slow rinse with down flow of air or water • Final Rinse. 22

2HCl + 2RNa+ → 2RH+ + NaCl 2HCl + R2Ca++ → 2RH+ + CaCl2 2HCl + R2Mg++ → 2RH+ + MgCl2 ↓To Drain.

2.1.5.3.6 WEAK BASE ANION EXCHANGER (WBA)

The filtered water from SAC enters the WBA exchanger through 12" header and gets uniformly distributed over the resin bed. During passage through the anion bed, the anions such as Chloride ( Cl)- ,Nitrate (NO3)- , and Sulphates (SO4)- present in the water get exchanged with hydroxyl ions. WBA resins remove only the strong acids after cation exchange. They are not capable of removing the weak acids such as SiO2 and CO2. In the regenerated, free base form, they are not dissociated, so no free OH– ions are available for neutral anion exchange. On the other hand, their basicity is enough to adsorb the strong acids created after cation exchange. Resin form: ROH- ion Color: Brownish Density: 1.1 gm/cm3 Service: The filtered water enters from the top of the shell, percolates downward through the anion media and is drawn off from the bottom. ROH- + HCl → RCl + H2O 2ROH- + H2SO4 → R2 (SO4)+ 2H2O For co-current regeneration steps as follows: • Backwash • Lye Injection (5%NaOH) • Slow rinse • Final Rinse.

23

NaOH + RCl → ROH- + NaCl NaOH + R2SO4→ ROH- + Na2SO4

2.1.5.3.7 DEGASSER TOWER (DGT)

The water from WBA is passed at the top of the degasser tower, to remove the carbon dioxide created after cation exchange when the water contains a significant concentration of bicarbonate. Degasser tower portion contains HDPE or PVC rasching rings at the top of the tower as packings to give more residential time and more area of contact. Air with minimum pressure is sent at the bottom of the tower. The dissolved CO2 is stripped of through the vent provided at the top of the tower and CO2 free water is collected at the De-gasser sump. H2CO3 + Air → H2O + CO2↑ 2.1.5.3.8 STRONG BASE ANION (SBA) EXCHANGER

The Degassed water is then pumped into SBA unit. During its passage through the SBA bed, the unreacted Chlorides and Sulphates from WBA and the remaining CO2 from DGT outlet and the weak acids like Silicic acid are removed. Resin form: ROH- ion Color: Brownish Density: 1.3-1.4 gm/cm3 Service: The filtered water enters from the top of the shell, percolates downward through the anion media and is drawn off from the bottom. 2ROH- + H2SiO3 → R2(SiO3) + 2H2O For co-current regeneration steps as follows: • Backwash • Lye Injection (10%NaOH) • Slow rinse • Final Rinse.

24

NaOH+RCl→ ROH+ NaCl NaOH+R2SO4→ ROH+ Na2SO4 NaOH+R2SiO3→ ROH+Na2SiO3 2.1.5.3.9 MIXED BED (MB) EXCHANGER

Water from SBA is fed into MB exchanger, where the required quality of water is obtained. In mixed-bed deionizers the cation-exchange and anion-exchange resins are intimately mixed and contained in a single pressure vessel. The thorough mixture of cation-exchangers and anion-exchangers in a single column makes a mixed-bed deionizer equivalent to a lengthy series of two-bed plants. Although more efficient in purifying the incoming feed water, mixed-bed plants are more sensitive to impurities in the water supply and involve a more complicated regeneration process. Mixed-bed deionizers are normally used to ‘polish' the water to higher levels of purity after it has been initially treated by either a two-bed deionizer or a reverse osmosis unit. The MB unit outlet water is called polished water i.e. Ultra-pure water. 2.1.5.4 REGENERATION PROCEDURE • Backwash to separate the resins • Settling • Lye injection(SBA) with upward flow. • Slow rinse with up flow(SBA) • Acid Injection (SAC) with down flow. • Slow rinse with down flow(SBA) • Air mixing- To mix both the resins. • Final Rinse. All the units and lines from SAC are mild steel rubber lined. From SAC outlet to SBA inlet to avoid acidic corrosion after SBA and MB outlet to avoid oxygen pickup i.e. to maintain the purity of water.

25

NOTE: All the controllers of the corresponding ion exchangers should be in manual mode while regenerating. 2.1.6 COAL HANDLING PLANT In a coal based thermal power plant, the initial process in the power generation is “Coal Handling”. So in this article I will discuss the overall processes carried out at a Coal Handling plant in a coal based thermal power generating station. The huge amount of coal is usually supplied through railways. A railway siding line is taken into the power station and the coal is delivered in the storage yard. The coal is unloaded from the point of delivery by means of wagon tippler. It is rack and pinion type. The coal is taken from the unloading site to dead storage by belt conveyors. The belt deliver the coal to 0m level to the pent house and further moves to transfer point 5. The transfer points are used to transfer coal to the next belt. The belt elevates the coal to breaker house. It consists of a rotary machine, which rotates the coal and separates the light dust from it through the action of gravity and transfer this dust to reject bin house through belt. The belt further elevates the coal to the transfer point 4 and it reaches the crusher through belt. In the crusher a high-speed 3-phase induction motor is used to crush the coal to a size of 50mm so as to be suitable for milling system. Coal rises from crusher house and reaches the dead storage by passing through transfer point 4. 2.1.6.1 EQUIPMENT IN A CHP 2.1.6.1.1 PULL CHORD SWITCH

A series of such switches are arranged in series at a 1m distance on the side of conveyor belt. The power supply to rotor of the conveyor belt is established only if all switches in series are connected. 2.1.6.1.2 VIBRATING FEEDER

The coal stored in a huge hub is collected on the belt through vibrations created by the vibrating feeder. 2.1.6.1.3 FLAP GATES

These are used to channelize the route of coal through another belt in case the former is broken or unhealthy. The flap gates open let the coal pass and if closed stop its movement.

26

2.1.6.1.4 MAGNETIC SEPARATOR

These are used to separate the ferrous impurities from the coal. 2.1.6.1.5 METAL DETECTOR

These are detect the presence of any ferrous and non-ferrous metal in the coal and sends a signal to a relay which closes to seize the movement of belt until the metal is removed. It basically consists of a transmitter and a receiver. The transmitter consists of a high frequency oscillator, which produces a oscillations of 1500 Hz at 15V. The receiver receives this frequency signal. If there is any presence of metal in the coal. Then this frequency is disturbed and a tripping signal is send to relay to stop the conveyor belt. 2.1.6.1.6 BELT WEIGHTIER

It is used to keep an account of the tension on the belt carrying coal and is moves accordingly to release tension on the belt. 2.1.6.1.7 RECLAIM HOPPER

Reclamation is a process of taking coal from the dead storage for preparation or further feeding to reclaim hoppers. This is accomplished by belt conveyors. 2.1.7 ASH HANDLING PLANT 2.1.7.1 FLY ASH Ash is the residue remaining after the coal is incinerated. Ash generated in power plant is about 30-40% of total coal consumption and hence the system is required to handle Ash for its proper utilization or disposal. Ash generated in the electrostatic precipitator which is got carried out with the flue gas is generally called Fly ash. It also consists of Air pre heater ash & Economizer ash (it is about 2% of the total ash content). Fly ash is considered to be collected in ESP hoppers. Fly ash from ESP hoppers extracted by Vacuum pumps cum Bag filter for further Dry conveying to fly ash silo. Under each surge hopper ash vessels shall be connected with air compressor for conveying the fly ash from intermediate surge hopper to silo. Total fly ash generated from each unit will be conveyed through streams operating simultaneously and in parallel.

27

Two types of ashes are collected wet and dry ashes. Wet ash system is can be utilized for Bottom Ash handling with water impounded hopper and jet pumps for intermittent removal Ash collected in economizer, primary air heater and secondary air heater hoppers drops continuously through suitable vertical pipe connections to the flushing connections provided beneath each of the hoppers. The flushing equipment serves to mix the ash with the water and discharge the ash in the form of slurry. The dry fly ash system consists of a two stage ESP and duct hopper ash removal conveying system. The first stage includes extraction of dry fly ash from under the various ESP / duct hoppers to intermediate hoppers located neat the ESPs. In the second stage, fly ash is conveyed from under these hoppers to the storage silos located near the plant boundary. The plant is simple, robust and tolerant to cope with foreign bodies. 2.1.7.2 BOTTOM ASH Bottom ash is part of the non-combustible residue of combustion in a furnace or incinerator. In an industrial context, it usually refers to coal combustion and comprises traces of combustibles embedded in forming clinkers and sticking to hot side walls of a coal-burning furnace during its operation. The portion of the ash that escapes up the chimney or stack is however, referred to as fly ash. The clinkers fall by themselves into the bottom hopper of a coal-burning furnace and are cooled. The above portion of the ash is referred to as bottom ash too. In a conventional water impounded hopper system, the clinker lumps get crushed to small sizes by clinker grinders mounted under water and fall down into a trough from where a water ejector takes them out to a sump. From there it is pumped out by suitable rotary pumps to dumping yard far away. In another arrangement a continuous link chain scrapes out the clinkers from under water and feeds them to clinker grinders outside the bottom ash hopper. Bottom ash may be used as raw alternative material, replacing earth or sand or aggregates.

28

3 INTSRUMENTS 3.1 CONTROLLERS TAG DMC01 DMC02 DMC03 DMC04 DMC12 DMC13 DMC14 FC001 FC002 FC003 FC004 LC015 FC006 FC007 GCV01 GCV02 GCV03 GCV04 GCV05 GCV06 GCV07 GCV08 LC001 LC002 LC003 LC004 LC005 LC006 LC007 LC008 LC009 LC010 LC011 LC012 LC013 LC014 PC001

DESCRIPTION FUEL MASTER LOAD TARGET AIR MASTER FUR PR MASTER TARGET RATE BOILER MASTER COND MIN FCV BFP C FLOW V BFP B FLOW V BFP A FLOW V DP CONTROL FD FAN A VANE IGV FD FAN B VANE IGV HP GCV HP GCV HP GCV HP GCV IP & LP GCV IP & LP GCV IP & LP GCV IP & LP GCV DEA LVL CTRL DRIP 8A TO COND V DRIP 7A TO 8A V DRIP 8B TO COND V DRIP 7B TO 8B V DRIP TO LPH-7 V DRIP TO LPH-6 V HPH-3 EMG DR. V DRIP TO HPH-2 V DRIP TO HPH-3 V DRIP TO D/A V MAKE-UP DIS PCV CBD LVL APH DRAIN MCV HP EXH A-SIDE DR. V

ENGG UNIT

SCALE LOW

T/hr MW T/hr Pa rpm rpm/min Mpa T / Hr T / Hr T / Hr T / Hr Mpa T / Hr T / Hr % % % % % % % % MM MM MM MM MM MM MM MM MM MM MM MM MM MM MPA

0.00 0.00 0.00 -2100.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -1300.00 0.00 0.00 0.00 0.00 0.00 0.00 -1285.00 -1330.00 -1330.00 -1285.00 0.00 0.00 0.00 0.00

29

SCALE HIGH 286.00 739.00 12.00 1900.00 3000.00 200.00 20.50 1158.00 1158.00 1158.00 1158.00 2.00 3800.00 3800.00 120.00 120.00 120.00 120.00 100.00 100.00 100.00 100.00 3000.00 900.00 900.00 900.00 900.00 600.00 600.00 0.00 0.00 0.00 0.00 1800.00 1300.00 1300.00 1.60

DESIGN VALUE 231.00 600.00 4.00 -0.12 3000.00 200.00 16.60 800.00 800.00 800.00 800.00 1.00 2135.34 2135.34 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 1100.00 900.00 900.00 900.00 900.00 600.00 600.00 -800.00 -800.00 -800.00 -800.00 1800.00 1300.00 1300.00 1.00

PC002 PC003 PC004 PC005 PC006 PC007 PC008 PC009 PC010 PC011 PC012 PC013 PC014 PC015 PC016 PC017 PC018 PC019 PC020 PC021 PC022 PC023 PC024 RC001 RC002 RC003 RC004 RC005 RC006 RC007 RC008 TC001 TC002 TC003 TC004 TC005 TC006 TC007 TC008 PC025 PC026 PC027

HP EXH A-SIDE DR. V HP EXH B-SIDE DR. V HP EXH B-SIDE DR. V GLAND STM MCV CRH TO AST MCV SUPPLY OIL PCV SUPPLY OIL PCV STEAM PCV AUX BOILER MCV DEA PR CTRL DEA PR CTRL GLND STM HDR PR HP BP VALVE MS TO AST MCV GSS HDR DCV PA FAN A VANE IGV PA FAN B VANE IGV ID FAN A VANE IGV ID FAN B VANE IGV ID FAN A VFD ID FAN B VFD LP BY-PASS PCV LP BY-PASS PCV COAL FDR A SPD COAL FDR B SPD COAL FDR C SPD COAL FDR D SPD COAL FDR E SPD COAL FDR F SPD BFPT-A SPD BFPT-B SPD RH A-SIDE MCV RH B-SIDE MCV 1ST A-SIDE MCV 1ST B-SIDE MCV 2ND A-SIDE MCV 2ND B-SIDE MCV SCAPH TEMP CTL SH TO AST HDR LP CYL-A SPRAY WTR V LP CYL-B SPRAY WTR V LP CYL-A SPRAY WTR V

MPA MPA MPA KPA MPA MPA MPA MPA MPA MPA MPA MPA MPA MPA MPA KPA KPA Pa Pa Pa Pa MPa MPa RPM RPM RPM RPM RPM RPM T/H T/H DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C MPa MPa MPa 30

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -2100.00 -2100.00 -2100.00 -2100.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

1.60 1.60 1.60 200.00 1.60 5.00 4.00 1.60 1.60 1.60 1.60 200.00 17.00 3.00 3.00 20.00 20.00 1900.00 1900.00 1900.00 1900.00 100.00 100.00 80.00 80.00 80.00 80.00 80.00 80.00 2200.00 2200.00 600.00 600.00 600.00 600.00 600.00 600.00 105.00 560.00 4.00 4.00 4.00

1.00 1.00 1.00 80.00 1.00 3.00 3.00 1.00 1.00 1.00 1.00 80.00 17.00 1.50 1.50 10.12 10.12 -0.12 -0.12 -0.12 -0.12 34.48 34.48 45.87 45.87 45.87 45.87 45.87 45.87 1786.00 1786.00 600.00 600.00 600.00 600.00 600.00 600.00 60.00 300.00 3.00 3.00 3.00

PC028 TC013 TC014 TC015 TC016 TC017 TC018 TC019 TC020 TC021 TC022 TC023 TC024 TC025 TC026 TC027 TC028 TC029 TC030 TC031 TC032 TC033 TC034 TC035 FC008 FC009 FC010 FC011 FC012 FC013 LC017 FC014 LC016 DMC05 DMC06 DMC07 DMC08 DMC09 DMC10 DMC11 DMC15 DMC16

LP CYL-B SPRAY WTR V HP EXH DVC B TAV2 V HP EXH DVC B TAV1 V HP EXH DVC A TAV2 V HP EXH DVC A TAV1V COND B TEMP MCV COND A TEMP MCV LP GSS TCV MCV BFPT A LO COL WTR TC BFPT B LO COL WTR TC GEN AIR SO COL WTR TC GEN HYD SO COL WTR TC GEN STAT COL WTR TC GEN HYD COL A WTR TC GEN HYD COL B WTR TC MILL A COLD AIR MILL B COLD AIR MILL C COLD AIR MILL D COLD AIR MILL E COLD AIR MILL F COLD AIR HP BYP ATTEMP TCV LP BYP ATTEMP TCV LP BYP ATTEMP TCV MILL A HOT AIR FCV MILL B HOT AIR FCV MILL C HOT AIR FCV MILL D HOT AIR FCV MILL E HOT AIR FCV MILL F HOT AIR FCV MBFP SPD CBD FLOW CCCW LCV MILL A MASTER MILL B MASTER MILL C MASTER MILL D MASTER MILL E MASTER MILL F MASTER VOLTAGE EG DUMMY MASTER-1 DUMMY MASTER-2

MPa DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C DEG C T/Hr T/Hr T/Hr T/Hr T/Hr T/Hr T/hr T / Hr MM T/H T/H T/H T/H T/H T/H V T/H T/H 31

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

4.00 100.00 100.00 100.00 100.00 300.00 300.00 400.00 100.00 100.00 100.00 100.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 500.00 300.00 300.00 250.00 250.00 250.00 250.00 250.00 250.00 2200.00 50.00 300.00 52.00 52.00 52.00 52.00 52.00 52.00 100.00 286.00 12.00

3.00 50.00 50.00 50.00 50.00 100.00 100.00 250.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 74.56 74.56 74.56 74.56 74.56 74.56 34.27 35.47 35.47 118.00 118.00 118.00 118.00 118.00 118.00 1800.00 0.00 250.00 46.00 46.00 46.00 46.00 46.00 46.00 0.00 232.00 3.00

DMC17 DMC18 DMC19 DMC20 DMC21 DMC22 SFC01 SLC01 SLC02 SLC03 SLC04 SFC02 SLC05 SLC06 SLC07 SFC03

DUMMY MASTER-3 DUMMY MASTER-4 DUMMY MASTER-5 DUMMY MASTER-6 DRUM MASTER SLAVE DRUM FLOW CONTR LEVEL CONTR LEVEL CONTR LEVEL CONTR LEVEL CONTR FLOW CONTROL LEVEL CONTR LEVEL CONTROL LEVEL CONTROL FLOW CONTR

Mpa MW T/H T/H MM T/H M3/hr % % % % M3/hr % % % M3/hr

0.00 0.00 0.00 0.00 -300.00 -300.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

20.50 739.00 286.00 2630.00 300.00 300.00 500.00 100.00 100.00 100.00 100.00 500.00 100.00 100.00 100.00 8300.00

16.70 600.00 234.00 2135.00 -50.00 -30.00 200.00 50.00 50.00 50.00 50.00 200.00 50.00 50.00 50.00 4150.00

3.2 INDICATORS TAG AI001 AI002 AI003 AI004 AI005 AI006 AI007 AI008 AI009 AI010 AI011 AI012 AI013 AI014 AI015 AI017 AI018 AI019 AI020 AI021

ENGG UNIT

DESCRIPTION CWP A CURRENT CWP B CURRENT OCCW A CURRENT OCCW B CURRENT CCCW A CURRENT BP A CURRENT BP B CURRENT AC LOP A CURRENT AC LOP B CURRENT DC LOP CURRENT EXHAUST A CURRENT EXHAUST B CURRENT JOP A CURRENT JOP B CURRENT BARRING GEAR CURRENT EH P/P A CURRENT EH P/P B CURRENT EH COOL P/P CURRENT EH FILTER P/P CURRENT MAKE-UP A CURRENT

A A A A A A A A A A A A A A A A A A A A

SCALE LOW 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

32

SCALE HIGH 3500.00 3500.00 150.00 150.00 100.00 100.00 33.00 190.40 190.40 300.00 15.00 15.00 109.80 200.00 100.00 159.60 159.60 100.00 5.00 200.00

DESIGN VALUE 3038.03 3038.03 147.30 0.00 85.92 82.01 0.00 81.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

AI022 AI023 AI024 AI025 AI026 AI027 AI028 AI029 AI030 AI031 AI032 AI033 AI034 AI035 AI036 AI037 AI038 AI039 AI040 AI041 AI042 AI043 AI044 AI045 AI046 AI047 AI048 AI049 AI050 AI051 AI052 AI053 AI054 AI055 AI056 AI057 AI058 AI077 AI078 AI079 AI080 AI081

MAKE-UP B CURRENT CEP A CURRENT CEP B CURRENT CEP C CURRENT GSC EXHAUST A CURRENT GSC EXHAUST B CURRENT TDBFP A CURRENT TDBFP B CURRENT MDBFP CURRENT TDBFP A LOP A CURRENT TDBFP A LOP B CURRENT TDBFP A LOP C CURRENT TDBFP B LOP A CURRENT TDBFP B LOP B CURRENT TDBFP B LOP C CURRENT AOP CURRENT VAC P/P A CURRENT RECIR P/P A VAC P/P B CURRENT RECIR P/P B VAC P/P C CURRENT RECIR P/P C BCP A CURRENT BCP B CURRENT BCP C CURRENT SEAL AIR A CURRENT SEAL AIR B CURRENT PA FAN A CURRENT PA FAN B CURRENT FD FAN A CURRENT FD FAN B CURRENT ID FAN A CURRENT ID FAN B CURRENT APH A AC CURRENT APH A DC CURRENT APH B AC CURRENT APH B DC CURRENT MILL A CURRENT FEEDER A CURRENT MILL B CURRENT FEEDER B CURRENT MILL C CURRENT

A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 33

200.00 300.00 300.00 300.00 25.00 25.00 150.00 150.00 900.00 100.00 100.00 5.00 100.00 100.00 5.00 15.00 250.00 200.00 250.00 200.00 250.00 200.00 200.00 200.00 200.00 300.00 300.00 300.00 300.00 150.00 150.00 350.00 350.00 100.00 50.00 100.00 50.00 100.00 15.00 100.00 15.00 100.00

0.00 181.14 181.14 0.00 19.70 19.70 131.52 131.52 0.00 30.28 0.00 0.00 30.28 0.00 0.00 0.00 25.00 0.00 0.00 0.00 25.00 0.00 45.27 45.27 0.00 215.97 0.00 85.85 85.85 57.16 57.73 232.30 232.30 25.00 0.00 25.00 0.00 92.21 0.00 92.21 0.00 92.21

AI082 AI083 AI084 AI085 AI086 AI087 AI088 AI089 AI090 AI091 AI092 AI093 AI094 AI095 AI096 AI097 AI098 AI099 AI100 CI01 EI001 EI002 FI001 FI002 FI003 FI004 FI005 FI006 FI007 FI008 FI009 FI010 FI011 FI012 FI013 FI018 FI019 FI020 FI021 FI022 FI023 FI024

FEEDER C CURRENT MILL D CURRENT FEEDER D CURRENT MILL E CURRENT FEEDER E CURRENT MILL F CURRENT FEEDER F CURRENT H2 SEAL P/P A CURRENT H2 SEAL P/P B CURRENT H2 SEAL P/P C CURRENT AIR SEAL P/P A CURRENT AIR SEAL P/P B CURRENT AIR SEAL P/P C CURRENT GCW A CURRENT GCW B CURRENT CCCW B CURRENT R PH CURRENT Y PH CURRENT B PH CURRENT POWER FACTOR H2 PURITY CO2 PURITY DISCH. FLOW DISCH FLOW CONDENSATE I/L CONDENSATE I/L CONDENSATE I/L O/L FLOW-1 O/L FLOW-2 FLOW STEAM FLOW I/L FLOW I/L FLOW I/L FLOW BOOST P/P O/L F A-SIDE FLOW B-SIDE FLOW A-SIDE FLOW B-SIDE FLOW A-SIDE FLOW B-SIDE FLOW CBD FLOW

A A A A A A A A A A A A A A A A KA KA KA pf % % m3/h m3/h t/h t/h t/h t/h t/h t/h t/h m3/h m3/h m3/h m3/h T/hr T/hr T/hr T/hr t/h t/h t/h 34

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

15.00 100.00 15.00 100.00 15.00 100.00 15.00 100.00 100.00 40.00 444.00 444.00 150.00 100.00 100.00 100.00 50.00 50.00 50.00 1.20 100.00 101.00 25.00 150.00 1800.00 1800.00 1800.00 2114.00 2114.00 80.00 120.00 1400.00 1400.00 1158.00 1400.00 50.00 50.00 40.00 40.00 60.00 60.00 50.00

0.00 92.21 0.00 92.21 0.00 0.00 0.00 57.53 0.00 0.00 57.53 0.00 0.00 22.91 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9.00 137.00 1431.78 1431.78 1431.78 1431.78 1431.78 0.82 92.47 1043.71 1043.71 1000.00 1000.00 36.95 36.95 18.00 18.00 0.00 0.00 0.00

FI025 FI026 FI027 FI028 FI029 FI030 FI031 FI032 FI033 FI034 FI035 FI036 FI037 FI038 FI039 FI052 FI053 FI054 FI055 FI056 FI057 FI058 FI059 FI060 FI061 FI062 FI063 FI064 FI065 FI066 FI067 FI068 FI069 FI070 FI071 FI072 FI073 FI074 FI075 FI076 FI077 GI001

FLOW-1 FLOW-2 FLOW-3 APH O/L FG O2 APH O/L FG O2 HOT S.A FLOW-1 HOT S.A FLOW-2 HOT S.A FLOW-3 ECO O/L FG O2-1 ECO O/L FG O2-2 HOT S.A FLOW-1 HOT S.A FLOW-2 HOT S.A FLOW-3 ECO O/L FG O2-1 ECO O/L FG O2-2 I/L TOTAL AIR I/L TOTAL AIR FLOW RATE I/L TOTAL AIR I/L TOTAL AIR FLOW RATE I/L TOTAL AIR I/L TOTAL AIR FLOW RATE I/L TOTAL AIR I/L TOTAL AIR FLOW RATE I/L TOTAL AIR I/L TOTAL AIR FLOW RATE I/L TOTAL AIR I/L TOTAL AIR FLOW RATE HDR FLOW RETURN FLOW H2 FLOW WATER FLOW CW PART FLOW MS FLOW TOTAL AIR FLOW COAL FLOW TERMINAL VOLTAGE

t/h t/h t/h % % m3/h m3/h m3/h % % m3/h m3/h m3/h % % t/h t/h t/h t/h t/h t/h t/h t/h t/h t/h t/h t/h t/h t/h t/h t/h t/h t/h t/h t/h m3/h t/h t/h T/hr T/Hr T/hr KV 35

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

2122.00 2122.00 2122.00 25.00 10.00 1000.00 1000.00 1000.00 25.00 25.00 1000.00 1000.00 1000.00 25.00 25.00 150.00 150.00 80.00 150.00 150.00 80.00 150.00 150.00 80.00 150.00 150.00 80.00 150.00 150.00 80.00 150.00 150.00 80.00 18.00 18.00 300000.00 120.00 120.00 2200.00 3000.00 500.00 30.00

1761.65 1761.65 1761.65 4.00 4.00 768.05 768.05 768.05 4.00 4.41 777.26 777.26 777.26 4.00 4.41 118.01 118.01 45.88 118.01 118.01 45.88 118.01 118.01 45.88 118.00 118.00 45.88 118.01 118.01 45.88 0.00 0.00 0.00 0.00 0.00 0.00 90.53 9.53 1871.00 2135.00 270.00 0.00

II001 II002 II003 II004 II005 II006 II007 II008 II009 II010 II011 II012 II013 II014 II015 II016 II017 II018 II019 II020 II021 II022 II023 II024 II025 II026 II027 II028 II029 II030 II031 II032 II033 II034 II035 II036 II037 II038 II039 II040 LI001 LI002

A1 0A1 B1 OB1 C1 D1 OC1 E1 OD1 F1 A2 0A2 B2 OB2 C2 D2 OC2 E2 OD2 F2 A3 0A3 B3 OB3 C3 D3 OC3 E3 OD3 F3 A4 0A4 B4 OB4 C4 D4 OC4 E4 OD4 F4 SUMP LEVEL SUMP LEVEL

% % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % m m

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 36

100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 9.60 9.60

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.10 8.10

LI003 LI004 LI005 LI006 LI007 LI008 LI009 LI012 LI013 LI014 LI015 LI016 LI017 LI018 LI019 LI020 LI021 LI022 LI023 LI024 LI025 LI026 LI027 LI028 LI029 LI030 LI031 LI032 LI033 LI034 LI035 LI036 LI037 LI038 LI039 LI040 PI001 PI002 PI003 PI004 PI005 PI006

LEVEL TANK LEVEL-1 TANK LEVEL-2 HOTWELL-A LVL HOTWELL-A LVL HOTWELL-B LVL HOTWELL-B LVL DRIP LEVEL-1 DRIP LEVEL-2 DRIP LEVEL-3 DRIP LEVEL-1 DRIP LEVEL-2 DRIP LEVEL-3 DRIP LEVEL-1 DRIP LEVEL-2 DRIP LEVEL-3 DRIP LEVEL-1 DRIP LEVEL-2 DRIP LEVEL-3 DRIP LEVEL-1 DRIP LEVEL-2 DRIP LEVEL-3 LPH-7A LEVEL-1 LPH-7A LEVEL-2 LPH-7B LEVEL-1 LPH-7B LEVEL-2 LPH-8A LEVEL-1 LPH-8A LEVEL-2 LPH-8B LEVEL-1 LPH-8B LEVEL-2 LEVEL-1 LEVEL-2 LHS LEVEL-1 LHS LEVEL-2 RHS LEVEL TANK LEVEL DISCH. HDR. PRE DISCH. HDR. PRE I/L PRESSURE 1 I/L PRESSURE 2 PRESSURE 1 PRESSURE 2

mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm Kg/cm2 Kg/cm2 MPa MPa MPa MPa 37

0.00 0.00 0.00 0.00 0.00 0.00 0.00 -1300.00 -1300.00 -1300.00 -1300.00 -1300.00 -1300.00 -1330.00 -1330.00 -1330.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -1300.00 -1300.00 -400.00 -400.00 -400.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

300.00 8000.00 8000.00 2000.00 2000.00 1800.00 1800.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 600.00 600.00 600.00 600.00 600.00 600.00 900.00 900.00 900.00 900.00 900.00 900.00 900.00 900.00 1700.00 1700.00 300.00 300.00 300.00 1300.00 6.00 8.00 0.40 0.40 0.25 0.25

250.00 4934.93 4934.93 1508.26 1508.26 1004.13 1004.13 -1082.57 -1082.57 -1082.57 -1130.31 -1130.31 -1130.31 -1130.30 -1130.30 -1130.30 200.55 200.55 200.55 200.95 200.95 200.95 199.82 199.82 199.94 199.94 202.67 202.67 203.56 203.56 970.20 970.20 2.88 2.88 2.88 1140.00 4.83 4.83 0.25 0.25 0.18 0.18

PI007 PI008 PI009 PI010 PI011 PI012 PI013 PI014 PI015 PI016 PI017 PI018 PI019 PI020 PI021 PI022 PI023 PI024 PI025 PI026 PI027 PI028 PI029 PI030 PI031 PI032 PI033 PI034 PI035 PI036 PI038 PI039 PI040 PI041 PI042 PI043 PI044 PI045 PI046 PI047 PI048 PI049

O/L PRESS O/L PRESS DISCH PRESS DISCH PRESS PRESSURE PRESSURE I/L FILTER DP SUCT. HDR PRES DISCH HDR PRESS COOLER O/L PRES DISCH HDR PRESS P/P O/L HDR PRE FILTER DP L.O HDR PRESS HDR PRESSURE HDR PRESSURE I/L FILTER DP I/L FILTER DP O/L HDR PRESS LP CYL-A SPRAY LP CYL-B SPRAY LP CYL-A SPRAY LP CYL-B SPRAY CONDENSATE I/L O/L PRESSURE O/L PRESSURE O/L PRESSURE O/L HDR PRESS CPP PRESS PRESSURE I/L STEAM PRESS I/L STEAM PRESS HP STAGE PRESS HP STAGE PRESS HP STAGE PRESS HP EXHAUST PRES IP I/L STM PRE IP I/L STM PRE O/L PRESSURE PRESSURE PRESSURE PRESSURE-1

MPa MPa MPA MPA MPa MPa KPa MPa MPa MPa MPa MPa KPa MPa MPa MPa KPa KPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa 38

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -1.00 -1.00 0.00

0.25 0.25 0.50 0.50 1.60 1.00 1.00 1.00 2.00 1.00 1.60 0.25 40.00 0.25 25.00 20.00 4000.00 4000.00 50.00 4.00 4.00 4.00 4.00 3.00 4.00 4.00 4.00 4.00 2.00 25.00 25.00 25.00 16.00 16.00 16.00 6.00 6.00 6.00 6.00 1.00 1.00 1.60

0.10 0.10 0.24 0.24 0.90 0.10 0.19 0.26 0.39 0.29 0.50 0.18 18.00 0.15 16.20 13.30 15.16 15.16 0.00 3.60 3.60 3.60 3.60 0.83 3.60 3.60 3.60 3.60 1.20 16.60 16.60 16.60 12.40 12.40 12.40 3.85 3.35 3.35 3.73 -0.07 -0.07 0.80

PI050 PI051 PI052 PI053 PI054 PI055 PI056 PI057 PI061 PI062 PI063 PI064 PI067 PI068 PI069 PI070 PI071 PI072 PI073 PI074 PI075 PI076 PI077 PI078 PI079 PI080 PI081 PI082 PI083 PI084 PI085 PI086 PI087 PI088 PI089 PI090 PI091 PI092 PI093 PI094 PI095 PI096

PRESSURE-2 AFT MOV PRESS CRH PRESSURE SH PRESSURE PRESSURE STM PRESS HDR PRESSURE-1 HDR PRESSURE-2 D/A PRESSURE-4 PRESSURE PRESSURE PRESSURE LPH-7A PRESSURE LPH-7A PRESSURE LPH-7B PRESSURE LPH-7B PRESSURE LPH-8A PRESSURE LPH-8A PRESSURE LPH-8B PRESSURE LPH-8B PRESSURE PRESSURE PRESSURE PRESSURE PRESSURE PRESSURE PRESSURE AST TO BFP-A PR PRESSURE AST TO BFP-B PR PRESSURE PRESSURE PRESSURE PRESSURE PRESSURE-1 PRESSURE-2 PRESSURE-3 MAIN P/P I/L PRES MAIN P/P O/L PRES MAIN P/P I/L PRES MAIN P/P O/L PRES MAIN P/P I/L PRES MAIN P/P O/L PRES

MPa MPa MPa MPa MPa MPa KPa KPa MPa MPa MPa MPa KPa KPa KPa KPa KPa KPa KPa KPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa 39

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -100.00 -100.00 -100.00 -100.00 -100.00 -100.00 -100.00 -100.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

1.60 1.60 6.00 20.00 0.10 0.25 200.00 200.00 1.60 3.00 6.00 8.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 8.00 6.00 3.00 1.60 1.60 1.60 1.60 1.60 1.60 0.80 0.80 0.40 0.40 1.60 1.60 1.60 4.00 25.00 4.00 32.00 4.00 40.00

0.80 0.70 3.73 16.60 0.00 0.20 0.30 0.30 0.77 1.69 3.73 5.97 -37.81 -37.81 -37.81 -37.81 -76.07 -76.07 -76.07 -76.07 5.97 3.73 1.74 0.77 0.00 0.57 0.70 0.57 0.70 0.26 0.26 0.03 0.03 0.83 0.83 0.83 2.03 20.20 2.03 20.20 0.73 0.73

PI097 PI098 PI099 PI100 PI101 PI102 PI103 PI104 PI105 PI106 PI107 PI108 PI110 PI112 PI113 PI114 PI115 PI116 PI117 PI118 PI119 PI120 PI121 PI122 PI123 PI124 PI125 PI126 PI127 PI128 PI129 PI130 PI131 PI134 PI135 PI136 PI138 PI139 PI140 PI141 PI142 PI143

O/L HDR PRESS HPH-1 O/L WATER HPH-1 O/L WATER FW BYPASS MCV PRESSURE ECO I/L PRESS EXH PRESSURE LUBE OIL HDR PR FILTER O/L PRES EXH PRESSURE LUBE OIL HDR PR FILTER O/L PRES WORK P/P O/L PR COOLING WATER P COND-A VACUUM COND-B VACUUM A-SIDE PRESS B-SIDE PRESS PRESSURE-1 PRESSURE-2 A-SIDE PRESS B-SIDE PRESS HDR PRESS HDR PRESS PRSSURE-1 PRESSURE-2 PRESSURE-3 I/L O/L DP-1 I/L O/L DP-2 I/L O/L DP-1 I/L O/L DP-2 I/L O/L DP-1 I/L O/L DP-2 FILTER D.P FILTER D.P O/L PRESSURE O/L PRESSURE APH I/L PA PRES APH O/L PA PRES O/L PRESSURE APH I/L PA PRES APH O/L PA PRES

MPa MPa MPa MPa MPa MPa KPa MPa MPa KPa MPa MPa MPa MPa KPa KPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa 40

0.00 0.00 0.00 0.00 0.00 0.00 -100.00 0.00 0.00 -100.00 0.00 0.00 0.00 0.00 -100.00 -100.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

25.00 25.00 25.00 4.00 25.00 25.00 0.00 0.60 1.00 0.00 0.60 1.60 2.00 1.00 0.00 0.00 25.00 25.00 6.00 6.00 6.00 6.00 25.00 25.00 25.00 25.00 25.00 500.00 500.00 500.00 500.00 500.00 500.00 4.00 4.00 50.00 20.00 20.00 20.00 20.00 20.00 20.00

20.00 19.70 19.70 0.30 19.30 19.30 -92.68 0.30 0.75 -92.68 0.30 0.75 0.00 0.29 -92.68 -90.61 16.80 16.80 3.73 3.73 3.35 3.35 20.00 20.32 18.90 18.90 18.90 300.09 300.09 300.09 300.09 300.09 300.09 1.47 0.00 13.28 10.90 10.90 10.12 10.90 10.90 10.12

PI144 PI145 PI146 PI147 PI148 PI149 PI150 PI151 PI152 PI153 PI154 PI155 PI156 PI157 PI178 PI179 PI180 PI197 PI199 PI200 PI201 PI202 PI204 PI205 PI206 PI207 PI209 PI210 PI211 PI212 PI214 PI215 PI216 PI218 PI219 PI220 PI221 PI222 PI223 PI224 PI225 PI226

O/L PRESSURE APH I/L PRESS APH O/L PRESS O/L PRESSURE APH I/L PRESS APH O/L PRESS APH I/L FG PRES APH O/L FG PRES ESP O/L FAN I/L FAN O/L PRESS APH I/L FG PRES APH O/L FG PRES ESP O/L FAN I/L FAN O/L PRESS HOT PA HDR PRES HOT PA HDR PRES HOT PA HDR PRES I/L PA PRESSURE I/L-O/L D.P D.P BETWEEN AIR MILL EXIT PRESS I/L PA PRESSURE I/L-O/L D.P D.P BETWEEN AIR MILL EXIT PRESS I/L PA PRESSURE I/L-O/L D.P D.P BETWEEN AIR MILL EXIT PRESS I/L PA PRESSURE I/L-O/L D.P D.P BETWEEN AIR I/L PA PRESSURE I/L-O/L D.P D.P BETWEEN AIR MILL EXIT PRESS I/L PA PRESS S.A-P.A D.P I/L-O/L D.P D.P BETWEEN AIR MILL EXIT PRESS PRESSURE

KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa KPa MPa 41

0.00 0.00 0.00 0.00 0.00 0.00 -3.00 -6.00 -6.00 -2.00 -3.00 -6.00 -6.00 -2.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -1.00

10.00 10.00 10.00 10.00 10.00 10.00 0.00 0.00 0.00 1.00 0.00 0.00 0.00 1.00 20.00 20.00 20.00 15.00 10.00 8.00 8.00 15.00 10.00 8.00 8.00 15.00 10.00 8.00 8.00 15.00 10.00 8.00 15.00 10.00 8.00 8.00 15.00 50.00 10.00 15.00 8.00 3.00

2.71 2.71 0.96 2.73 2.73 0.96 -1.40 -2.66 -2.66 0.49 -1.40 -2.66 -2.66 0.49 10.12 10.12 10.12 6.69 3.43 6.59 3.26 6.69 3.43 6.59 3.26 6.69 3.43 6.59 3.26 6.69 3.43 6.59 6.69 3.43 6.59 3.26 -0.12 2.94 0.00 13.40 3.26 0.32

PI227 PI228 PI229 PI230 PI231 PI232 PI233 PI234 PI245 PI246 PI247 PI248 PI249 PI250 PI251 PI252 PI253 PI254 PI255 PI256 PI257 PI258 PI259 PI260 PI261 PI262 PI263 PI264 PI265 PI270 PI271 PI272 PI273 PI274 PI275 PI276 PI277 PI278 PI279 PI280 PI281 PI282

PRESSURE PRESSURE PRESSURE PRESSURE PRESSURE A/F MCV PRESS A/F MCV PRESS STEAM LINE PRES A/F MCV PRESS A/F MCV PRESS OIL I/L PRESS PROCALATOR I/L STEAM I/L PRESS FURNACE PRESS FURNACE PRESS FINAL RH I/L GA FINAL SH O/L GA HORIZONTAL SH ECO I/L GAS PRE ECO O/L GAS PRE FURNACE PRESS FURNACE PRESS FINAL RH I/L GA FINAL SH O/L GA HORIZONTAL SH ECO I/L GAS PRE ECO O/L GAS PRE O/L PRESSURE D.P BETWEEN AIR H2 SIDE OIL DP H2 SIDE OIL DP PRESSURE HDR PRESS H2 PRESSURE H2 PRESSURE WATER PRESS I/L FILTER DP P/P O/L HDR PRE EXIT PRESSURE FUR WINDBOX FUR. WINDBOX FUR. WINDBOX

MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa MPa KPa MPa Pa Pa KPa KPa KPa KPa KPa Pa Pa KPa KPa KPa KPa KPa Kpa Kpa KPa KPa KPa MPa Kg/cm2 Kg/cm2 MPa KPa MPa Kpa Kpa Kpa Kpa 42

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -2100.00 -2100.00 -4.00 -3.00 -3.00 -3.00 -3.00 -2100.00 -2100.00 -4.00 -3.00 -3.00 -3.00 -3.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

1.00 1.00 1.00 1.00 1.00 5.00 5.00 1.60 4.00 4.00 4.00 150.00 5.00 1900.00 1900.00 4.00 1.00 1.00 1.00 1.00 1900.00 1900.00 4.00 1.00 1.00 1.00 1.00 16.00 16.00 250.00 250.00 250.00 1.60 10.00 16.00 1.00 100.00 0.60 8.00 6.00 6.00 6.00

0.32 0.32 0.32 0.32 0.32 0.20 0.20 0.80 0.70 0.70 2.90 100.00 2.10 -0.12 -0.12 -0.28 -0.63 -0.63 -1.15 -1.40 -0.12 -0.12 -0.28 -0.63 -0.63 -1.15 -1.40 9.56 5.79 0.00 0.00 66.00 0.46 3.57 3.98 0.25 0.19 0.46 3.26 1.08 1.08 1.08

QI001 RI002 RI003 RI004 RI005 RI006 RI007 RI008 RI009 RI010 RI011 RI012 SI001 SI002 SI003 TI001 TI002 TI003 TI004 TI005 TI006 TI007 TI008 TI009 TI010 TI011 TI012 TI013 TI014 TI015 TI016 TI017 TI018 TI019 TI020 TI021 TI022 TI023 TI024 TI025 TI026 TI027

REACTIVE POWER TURBINE SPEED BELT SPEED BELT SPEED BELT SPEED BELT SPEED BELT SPEED BELT SPEED ID FAN A SPD ID FAN B SPD BFPT -A SPD BFPT -B SPD ION EXCH O/L CON STATOR WTR CON STATOR WTR CON I/L TEMP 1 I/L TEMP 2 TEMP 1 TEMP 2 O/L TEMP 1 O/L TEMP 2 MOTOR WNDG TEM BRG COOLING WTR MOTOR WNDG TEM BRG COOLING WTR P/P I/L BEARING P/P O/L BEARING MTR WDNG TEMP-1 MTR WDNG TEMP-2 MTR WDNG TEMP-3 MTR FRNT BRG T MTR REAR BRG T P/P I/L BEARING P/P O/L BEARING MTR WDNG TEMP-1 MTR WDNG TEMP-2 MTR WDNG TEMP-3 MTR FRNT BRG T MTR REAR BRG T TEMPERATURE MTR WDG TEMP-1 MTR WDG TEMP-2

MVAR rpm rpm rpm rpm rpm rpm rpm rpm rpm RPM RPM us/cm us/cm us/cm °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C 43

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

800.00 3500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 500.00 500.00 6000.00 6000.00 16.00 16.00 16.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00

345.00 3000.00 85.00 85.00 85.00 85.00 85.00 0.00 472.00 472.00 4818.00 4818.00 0.00 0.00 0.00 32.76 32.76 37.15 37.15 41.98 41.98 75.20 44.20 75.20 44.30 76.50 76.80 75.10 75.40 75.70 76.00 76.20 34.00 34.00 34.00 34.00 34.00 34.00 34.00 32.76 75.20 75.50

TI028 TI029 TI030 TI031 TI032 TI033 TI036 TI037 TI038 TI039 TI040 TI041 TI042 TI043 TI044 TI045 TI046 TI047 TI048 TI057 TI059 TI060 TI061 TI062 TI063 TI064 TI065 TI066 TI067 TI068 TI069 TI070 TI071 TI072 TI073 TI074 TI075 TI076 TI077 TI078 TI080 TI081

MTR WDG TEMP-3 MTR WDG TEMP-4 MTR WDG TEMP-5 MTR WDG TEMP-6 MTR FRONT BRG T MTR REAR BRG T MTR WDG TEMP-1 MTR WDG TEMP-2 MTR WDG TEMP-3 MTR WDG TEMP-4 MTR WDG TEMP-5 MTR WDG TEMP-6 MTR FRONT BRG T MTR REAR BRG T DISCH HDR TEMP COLER O/L TEMP TANK TEMP COLER O/L OIL T COLER I/L OIL T TEMP-1 COOLER I/L TEMP COOLER-A O/L T COOLER-C O/L T LPH-7A O/L TEMP LPH-7B O/L TEMP LPH-8A I/L TEMP LPH-8A I/L TEMP LPH-6 I/L TEMP LPH-6 O/L TEMP LPH-5 I/L TEMP LPH-5 O/L TEMP CONDENSATE I/L STORAGE TK T I/L HDR TEMP O/L HDR TEMP I/L WATER TEMP O/L WATER TEMP I/L STEAM TEMP I/L STEAM TEMP A-SIDE DRAIN TE HP EXHAUST TE HP EXHAUST TE

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 44

100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 100.00 150.00 350.00 350.00 100.00 100.00 100.00 100.00 600.00 600.00 60.00 600.00 600.00

75.80 76.30 76.70 76.90 77.20 77.50 34.00 34.00 34.00 34.00 34.00 34.00 34.00 34.00 45.05 36.06 59.89 44.99 65.02 68.08 50.23 36.84 35.93 84.71 84.71 46.22 46.22 84.71 104.55 104.55 135.52 135.52 171.14 45.00 44.70 44.70 46.41 537.13 591.89 35.10 328.24 328.24

TI082 TI083 TI084 TI085 TI086 TI087 TI088 TI089 TI090 TI091 TI092 TI093 TI094 TI095 TI096 TI097 TI098 TI099 TI100 TI101 TI102 TI103 TI104 TI105 TI106 TI107 TI108 TI109 TI110 TI111 TI112 TI113 TI114 TI115 TI116 TI117 TI118 TI119 TI120 TI121 TI122 TI123

HP CYLINDER EXH CRH B/F RCV TE CRH B/F RCV TE CRH A/F RCV TE CRH A/F RCV TE IP I/L STEAM TE IP I/L STEAM TE HRH STEAM TE O/L TEMP TEMP COND. TEMP TEMP COND. TEMP TEMP TEMP TEMP STEAM TEMP GS TEMP-1 GS TEMP-2 HDR TEMP A/F ATTEMP GS H LP-A GS TEMP LP-A GS TEMP LP-B GS TEMP LP-B GS TEMP TEMP DRIP TEMP TEMP DRIP TEMP TEMP DRIP TEMP TEMP DRIP TEMP TEMP DRIP TEMP DRIP 7A TO 8A DRIP 7B TO 8B DRIP 8A TO COND DRIP 8B TO COND TEMP-1 TEMP-2 TEMP-3

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 45

600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 300.00 150.00 300.00 150.00 350.00 400.00 600.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 600.00 400.00 600.00 400.00 600.00 400.00 400.00 150.00 400.00 150.00 100.00 100.00 100.00 100.00 600.00 600.00 600.00

328.24 328.24 328.24 328.24 328.24 538.22 538.22 538.22 584.29 35.47 35.41 35.40 35.41 329.50 327.21 537.13 268.97 287.42 287.42 287.42 268.97 268.97 268.97 268.97 268.97 443.22 182.72 327.21 212.29 387.85 250.46 235.12 109.02 136.96 94.89 67.82 67.82 51.79 51.79 387.85 387.85 387.85

TI124 TI125 TI126 TI127 TI128 TI129 TI130 TI131 TI132 TI133 TI134 TI135 TI136 TI137 TI138 TI139 TI140 TI141 TI142 TI143 TI144 TI145 TI146 TI147 TI148 TI149 TI150 TI151 TI152 TI153 TI154 TI155 TI156 TI157 TI158 TI159 TI160 TI161 TI162 TI163 TI164 TI165

A/F RCV TEMP-1 A/F RCV TEMP-2 TEMP-1 TEMP-2 TEMP-3 A/F RCV TEMP-1 A/F RCV TEMP-2 TEMP-1 TEMP-2 TEMP-3 A/F RCV TEMP-1 A/F RCV TEMP-2 TEMP-1 TEMP-2 TEMP-3 A/F MOV TEMP-1 A/F MOV TEMP-2 A/F MOV TEMP-3 TEMP TEMP TEMP-1 TEMP-2 TEMP-3 AST TO BFP-A T TEMP-1 TEMP-2 TEMP-3 AST TO BFP-B T B/F RCV TEMP-1 B/F RCV TEMP-2 A/F RCV TEMP-1 A/F RCV TEMP-2 B/F RCV TEMP-1 B/F RCV TEMP-2 A/F RCV TEMP-1 A/F RCV TEMP-2 MAIN P/P I/L TE MAIN P/P O/L TE MAIN P/P I/L TE MAIN P/P O/L TE MAIN P/P O/L TE O/L HDR TEMP

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 46

600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 300.00 300.00 300.00 300.00 300.00 300.00

387.85 387.85 327.21 327.21 327.21 327.21 327.21 443.22 443.22 443.22 443.22 443.22 339.01 339.01 339.01 339.01 339.01 339.01 339.01 339.01 339.01 339.01 339.01 329.50 339.01 339.01 339.01 329.50 235.12 235.12 235.12 235.12 136.96 136.96 136.96 136.96 172.12 176.85 172.12 176.85 53.97 176.88

TI166 TI167 TI168 TI169 TI170 TI171 TI175 TI176 TI177 TI178 TI179 TI180 TI181 TI182 TI183 TI184 TI185 TI186 TI187 TI188 TI189 TI190 TI191 TI192 TI193 TI194 TI195 TI196 TI197 TI198 TI199 TI200 TI201 TI202 TI203 TI204 TI205 TI206 TI207 TI208 TI209 TI210

HPH-3 I/L WATER HPH-3 O/L WATER HPH-2 I/L WATER HPH-2 O/L WATER HPH-1 I/L WATER HPH-1 O/L WATER A-SIDE THRUST B A-SIDE THRUST B B-SIDE THRUST B B-SIDE THRUST B RADIAL BRG TEMP THRUST BRG RETU RADIAL BRG RETU METAL TEMP RETURN OIL TEMP CASING O/L TEMP CASING I/L TEMP LP STEAM TEMP-L LP STEAM TEMP-R EXH TEMP STAGE-1 O/L ST OIL COOLER O/L A-SIDE THRUST B A-SIDE THRUST B B-SIDE THRUST B B-SIDE THRUST B RADIAL BRG TEMP THRUST BRG RETU RADIAL BRG RETU METAL TEMP RETURN OIL TEMP CASING O/L TEMP CASING I/L TEMP LP STEAM TEMP-L LP STEAM TEMP-R EXH TEMP STAGE-1 O/L ST. OIL COOLER O/L W.O COOLER O/L W.O COOLER I/L L.O COOLER I/L L.O COOLER O/L

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 47

400.00 400.00 400.00 400.00 400.00 400.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00

176.88 208.49 208.49 249.45 249.45 281.24 77.26 77.26 77.26 77.26 76.86 65.12 65.12 76.26 65.12 130.79 129.93 127.78 125.20 131.65 121.75 45.07 78.65 78.26 77.86 78.45 78.06 65.11 65.11 77.67 65.11 130.79 129.93 127.78 125.20 131.65 121.75 45.07 34.36 32.76 34.36 32.76

TI211 TI212 TI213 TI214 TI215 TI216 TI217 TI218 TI219 TI220 TI221 TI222 TI223 TI224 TI225 TI226 TI227 TI228 TI229 TI230 TI231 TI232 TI234 TI236 TI238 TI240 TI241 TI242 TI244 TI245 TI247 TI249 TI250 TI251 TI252 TI253 TI254 TI256 TI257 TI258 TI259 TI260

BRG-1 TEMP BRG-2 TEMP BRG-3 TEMP BRG-4 TEMP BRG-5 TEMP BRG-6 TEMP BRG-7 TEMP BRG-8 TEMP BRG-9 TEMP BRG-10 TEMP COUPLING SIDE R PUMP SIDE RADIA WDG TEMP-1 WDG TEMP-2 WDG TEMP-3 WDG TEMP-4 WDG TEMP-5 WDG TEMP-6 D.E RADIAL BRG N.D.E RADIAL BR N.D.E RADIAL BR M-THRUST BRG TE A-THRUST BRG TE WATER O/L TE WATER I/L TE WATER I/L SEAL WATER O/L SEAL RADIAL BRG O/L SEALING WATER TE THRUST BRG TEMP THRUST BRG TEMP BFP SHELL TOP BFP SHELL TOP BFP BOTTOM SHEL BFP BOTTOM SHEL SEALING WTR TE RADIAL BRG I/L NDE MTR BRG T DE MTR BRG T WNDG TEMP-1 WNDG TEMP-2 WNDG TEMP-3

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 48

100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00

34.18 34.17 34.17 34.17 34.17 34.17 34.18 34.17 34.00 34.17 34.17 33.83 34.47 34.29 34.12 34.23 34.36 34.05 34.40 34.23 34.06 34.50 34.43 34.26 34.17 34.05 34.15 75.60 76.52 75.45 75.52 75.75 76.06 75.68 75.91 75.75 76.29 76.10 76.34 77.66 77.27 76.88

TI261 TI262 TI263 TI264 TI265 TI266 TI267 TI269 TI270 TI272 TI274 TI275 TI276 TI277 TI278 TI279 TI281 TI282 TI283 TI284 TI285 TI286 TI287 TI288 TI289 TI290 TI291 TI292 TI293 TI294 TI295 TI296 TI297 TI298 TI299 TI300 TI301 TI302 TI303 TI304 TI305 TI306

WNDG TEMP-4 WNDG TEMP-5 WNDG TEMP-6 D.E P/P BRG TEM N.D.E P/P BRG T N.D.E P/P BRG T RADIAL BRG O/L SEALING WTR THRUST BRG TE THRUST BRG TE BFP SHELL TOP BFP SHELL TOP BFP BOTTOM SHEL BFP BOTTOM SHEL SEALING WTR RADIAL BRG I/L NDE MTR BRG T DE MTR BRG T WNDG TEMP-1 WNDG TEMP-2 WNDG TEMP-3 WNDG TEMP-4 WNDG TEMP-5 WNDG TEMP-6 D.E P/P BRG T N.D.E P/P BRG T N.D.E P/P BRG T DRAIN FLASH TK DRAIN FLASH TK WNDG TEMP-1 WNDG TEMP-2 WNDG TEMP-3 WNDG TEMP-1 WNDG TEMP-2 WNDG TEMP-3 WNDG TEMP-1 WNDG TEMP-2 WNDG TEMP-3 BRG-1 MET TEMP BRG-1 MET TEMP BRG-2 MET TEMP BRG-2 MET TEMP

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 49

150.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00

76.49 76.72 76.34 76.73 75.95 77.50 76.77 75.69 76.54 76.38 75.85 76.23 75.62 76.00 75.77 75.54 77.75 77.51 77.59 77.36 77.48 77.51 77.67 77.20 76.87 76.71 77.02 45.00 42.72 75.67 74.91 74.53 75.67 74.91 74.53 75.67 74.91 74.53 82.99 82.99 84.49 84.49

TI307 TI308 TI309 TI310 TI311 TI312 TI313 TI314 TI315 TI316 TI317 TI318 TI319 TI320 TI321 TI322 TI323 TI324 TI325 TI326 TI327 TI328 TI329 TI330 TI331 TI332 TI333 TI334 TI335 TI336 TI337 TI338 TI339 TI340 TI341 TI342 TI343 TI344 TI345 TI346 TI347 TI348

BRG-3 MET TEMP BRG-3 MET TEMP BRG-4 MET TEMP BRG-4 MET TEMP BRG-5 MET TEMP BRG-5 MET TEMP BRG-6 MET TEMP BRG-6 MET TEMP BRG-7 MET TEMP BRG-8 MET TEMP BRG-9 MET TEMP FRONT TEMP-1 FRONT TEMP-2 REAR TEMP-1 REAR TEMP-2 BRG-1 TEMP BRG-2 TEMP BRG-3 TEMP BRG-4 TEMP BRG-5 TEMP BRG-6 TEMP THRUST BRG FRT THRUST BRG REAR A-SIDE I/L STM B-SIDE I/L STM A-SIDE O/L STM A-SIDE O/L STM A-SIDE O/L STM B-SIDE O/L STM B-SIDE O/L STM B-SIDE O/L STM A-SIDE TEMP B-SIDE TEMP A-SIDE I/L STM B-SIDE I/L STM A-SIDE O/L STM A-SIDE O/L STM A-SIDE O/L STM B-SIDE O/L STM B-SIDE O/L STM B-SIDE O/L STM A-SIDE TEMP-1

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 50

150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00

83.49 83.49 84.99 84.99 85.99 85.99 85.74 87.49 83.29 84.27 81.82 89.58 89.40 90.49 89.13 63.99 63.99 63.99 63.99 63.99 63.99 35.93 35.93 402.42 402.50 387.25 387.25 387.25 387.31 387.31 387.31 512.99 513.10 512.99 513.10 496.42 496.42 496.42 496.53 496.53 496.53 538.15

TI349 TI350 TI351 TI352 TI353 TI354 TI355 TI356 TI357 TI358 TI359 TI360 TI361 TI362 TI363 TI364 TI365 TI366 TI367 TI368 TI369 TI370 TI371 TI372 TI373 TI374 TI375 TI376 TI377 TI378 TI379 TI380 TI381 TI382 TI383 TI384 TI385 TI386 TI387 TI388 TI389 TI390

A-SIDE TEMP-2 A-SIDE TEMP-3 B-SIDE TEMP-1 B-SIDE TEMP-2 B-SIDE TEMP-3 TEMP A-SIDE O/L TEMP B-SIDE O/L TEMP A-SIDE TEMP-1 A-SIDE TEMP-2 A-SIDE TEMP-3 B-SIDE TEMP-1 B-SIDE TEMP-2 B-SIDE TEMP-3 HDR TEMP HDR TEMP LEFT TOP TEMP LEFT BOTTOM TEM WALL TEMP-1 WALL TEMP-2 WALL TEMP-3 WALL TEMP-4 RIGHT TOP TEMP RIGHT BOTTOM TE ECO O/L TEMP-1 ECO O/L TEMP-2 ECO I/L TEMP TEMP-1 TEMP-2 I/L AIR TEMP O/L TEMP APH I/L PA TEMP APH O/L PA TEMP I/L AIR TEMP O/L TEMP APH I/L PA TEMP APH O/L PA TEMP I/L AIR TEMP O/L TEMP APH I/L TEMP APH O/L TEMP I/L AIR TEMP

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 51

600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 600.00 300.00 300.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 400.00 350.00 350.00 350.00 300.00 300.00 60.00 60.00 60.00 350.00 60.00 60.00 60.00 350.00 60.00 60.00 60.00 350.00 60.00

538.15 538.15 538.27 538.27 538.27 327.21 327.20 327.20 538.21 538.21 538.21 538.24 538.24 538.24 176.88 81.11 250.67 213.22 349.63 348.57 347.86 347.16 250.67 213.22 281.23 281.23 281.19 281.19 281.19 34.00 36.00 36.00 333.83 34.00 36.00 36.00 332.49 34.00 35.99 35.99 340.86 34.00

TI391 TI392 TI393 TI394 TI395 TI396 TI397 TI398 TI399 TI400 TI401 TI402 TI403 TI404 TI405 TI434 TI435 TI436 TI437 TI438 TI439 TI440 TI441 TI442 TI444 TI446 TI447 TI448 TI449 TI450 TI451 TI452 TI453 TI454 TI455 TI456 TI457 TI458 TI459 TI460 TI462 TI464

O/L TEMP APH I/L TEMP APH O/L TEMP APH I/L FG TEMP APH I/L FG TEMP ESP I/L APH O/L ESP I/L APH O/L ESP O/L FAN I/L FAN O/L TEMP APH I/L FG TEMP APH I/L FG TEMP ESP I/L APH O/L ESP I/L APH O/L ESP O/L FAN I/L FAN O/L TEMP OIL BOX TEMP LUBE OIL TEMP NDE BRG TEMP NDE BRG TEMP DE BRG TEMP DE BRG TEMP BRG TEMP-1 BEG TEMP-2 FRONT BRG TE REAR BRG TE WDG TEMP-1 WDG TEMP-2 WDG TEMP-3 WDG TEMP-4 WDG TEMP-5 WDG TEMP-6 OIL BOX TEMP LUBE OIL TEMP NDE BRG TEMP NDE BRG TEMP DE BRG TEMP DE BRG TEMP BRG TEMP-1 BEG TEMP-2 FRONT BRG TE REAR BRG TE WDG TEMP-1

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 52

60.00 60.00 350.00 600.00 600.00 250.00 250.00 250.00 250.00 400.00 400.00 150.00 150.00 150.00 150.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 100.00

36.01 36.01 339.77 74.02 73.41 74.02 73.41 74.02 75.34 362.99 362.99 135.66 135.66 131.39 131.39 45.15 44.99 73.15 74.67 72.15 72.76 75.81 76.19 71.80 71.13 74.79 74.42 73.82 73.67 72.92 72.18 45.15 44.99 73.99 74.22 72.94 73.24 74.82 75.19 72.80 73.19 76.39

TI465 TI466 TI467 TI468 TI469 TI470 TI471 TI472 TI473 TI474 TI475 TI476 TI477 TI478 TI481 TI482 TI483 TI484 TI485 TI486 TI487 TI488 TI489 TI490 TI491 TI492 TI493 TI494 TI495 TI496 TI497 TI498 TI501 TI502 TI503 TI504 TI505 TI506 TI507 TI508 TI509 TI510

WDG TEMP-2 WDG TEMP-3 WDG TEMP-4 WDG TEMP-5 WDG TEMP-6 OIL BOX TEMP LUBE OIL TEMP NDE BRG TEMP NDE BRG TEMP DE BRG TEMP DE BRG TEMP BRG TEMP-1 BEG TEMP-2 FRONT BRG TE REAR BRG TE WDG TEMP-1 WDG TEMP-2 WDG TEMP-3 WDG TEMP-4 WDG TEMP-5 WDG TEMP-6 OIL BOX TEMP LO TEMP TANK TEMP LUBE OIL TEMP NDE BRG TEMP-1 NDE BRG TEMP-2 DE BRG TEMP-1 DE BRG TEMP-2 BRG TEMP-1 BRG TEMP-2 FRONT BRG TE REAR BRG TE WDG TEMP-1 WDG TEMP-2 WDG TEMP-3 WDG TEMP-4 WDG TEMP-5 WDG TEMP-6 TANK TEMP LUBE OIL TEMP NDE BRG TEMP-1

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 53

100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00

76.01 75.48 74.87 74.18 73.87 45.15 44.99 77.00 76.29 78.09 77.31 75.75 75.20 77.19 75.57 76.42 76.03 75.49 74.95 74.33 73.33 45.14 44.98 63.83 44.80 75.53 75.15 74.55 74.32 73.57 73.27 76.65 77.03 76.26 75.72 75.34 74.72 74.34 73.64 63.95 44.94 75.05

TI511 TI512 TI513 TI514 TI515 TI516 TI518 TI520 TI521 TI522 TI523 TI524 TI525 TI526 TI527 TI529 TI531 TI533 TI534 TI535 TI536 TI537 TI538 TI539 TI540 TI541 TI542 TI543 TI544 TI545 TI546 TI547 TI548 TI550 TI552 TI554 TI555 TI556 TI557 TI558 TI559 TI560

NDE BRG TEMP-2 DE BRG TEMP-1 DE BRG TEMP-2 BRG TEMP-1 BEG TEMP-2 FRONT BRG TE REAR BRG TE WDG TEMP-1 WDG TEMP-2 WDG TEMP-3 WDG TEMP-4 WDG TEMP-5 WDG TEMP-6 I/L PA TEMP MILL EXIT-TEMP1 MILL EXIT-TEMP3 MILL EXIT-TEMP5 MTR BRG TEMP-1 MTR BRG TEMP-2 SHAFT BRG TEMP SHAFT BRG TEMP RETARDER BRG TE RETARDER BRG TE RETARDER BRG TE RETARDER BRG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE I/L PA TEMP MILL EXIT-TEMP1 MILL EXIT-TEMP3 MILL EXIT-TEMP5 MTR BRG TEMP-1 MTR BRG TEMP-2 SHAFT BRG TEMPSHAFT BRG TEMPRETARDER BRG TE RETARDER BRG TE RETARDER BRG TE

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 54

150.00 150.00 150.00 150.00 150.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 300.00 100.00 100.00 100.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00 150.00 300.00 100.00 100.00 100.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00

74.52 73.92 73.55 72.95 72.50 77.26 77.65 76.72 76.33 75.71 75.32 74.93 74.39 224.11 74.56 74.56 74.56 75.00 75.00 76.40 75.86 75.29 74.87 74.33 73.72 110.00 111.00 114.00 103.00 105.00 106.00 224.12 74.57 74.57 74.57 75.00 75.00 77.10 76.71 76.09 75.71 75.17

TI561 TI562 TI563 TI564 TI565 TI566 TI567 TI568 TI569 TI571 TI573 TI575 TI576 TI577 TI578 TI579 TI580 TI581 TI582 TI583 TI584 TI585 TI586 TI587 TI588 TI589 TI590 TI592 TI594 TI597 TI598 TI599 TI600 TI601 TI602 TI603 TI604 TI605 TI606 TI607 TI608 TI609

RETARDER BRG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE I/L PA TEMP MILL EXIT-TEMP1 MILL EXIT-TEMP3 MILL EXIT-TEMP5 MTR BRG TEMP-1 MTR BRG TEMP-2 SHAFT BRG TEMP SHAFT BRG TEMP RETARDER BRG TE RETARDER BRG TE RETARDER BRG TE RETARDER BRG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE STATOR WNDG TE I/L PA TEMP MILL EXIT-TEMP1 MILL EXIT-TEMP3 MILL EXIT-TEMP5 MTR BRG TEMP-1 MTR BRG TEMP-2 SHAFT BRG TEMP SHAFT BRG TEMP RETARDER BRG TE RETARDER BRG TE RETARDER BRG TE RETARDER BRG TE STATOR WNDG TEM STATOR WNDG TEM STATOR WNDG TEM STATOR WNDG TEM STATOR WNDG TEM

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 55

100.00 150.00 150.00 150.00 150.00 150.00 150.00 300.00 100.00 100.00 100.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00 150.00 300.00 100.00 100.00 100.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00

74.78 110.00 111.00 114.00 103.00 105.00 106.00 224.11 74.57 74.57 74.57 75.00 75.00 75.80 75.42 74.66 74.28 73.83 73.37 110.00 111.00 114.00 103.00 105.00 106.00 224.11 74.57 74.57 74.57 75.00 75.00 76.80 76.41 75.64 75.26 74.49 74.11 110.00 111.00 114.00 103.00 105.00

TI610 TI611 TI612 TI614 TI616 TI618 TI619 TI620 TI621 TI622 TI623 TI624 TI625 TI626 TI627 TI628 TI629 TI630 TI631 TI632 TI633 TI635 TI637 TI639 TI640 TI641 TI642 TI643 TI644 TI645 TI646 TI647 TI648 TI649 TI650 TI651 TI652 TI653 TI654 TI661 TI662 TI669

STATOR WNDG TEM I/L PA TEMP MILL EXIT-TEMP1 MILL EXIT-TEMP3 MILL EXIT-TEMP5 MTR BRG TEMP-1 MTR BRG TEMP-2 SHAFT BRG TEMP SHAFT BRG TEMP RETARDER BRG TE RETARDER BRG TE RETARDER BRG TE RETARDER BRG TE STATOR WNDG TEM STATOR WNDG TEM STATOR WNDG TEM STATOR WNDG TEM STATOR WNDG TEM STATOR WNDG TEM I/L PA TEMP MILL EXIT-TEMP1 MILL EXIT-TEMP3 MILL EXIT-TEMP5 MTR BRG TEMP-1 MTR BRG TEMP-2 SHAFT BRG TEMP SHAFT BRG TEMP RETARDER BRG TE RETARDER BRG TE RETARDER BRG TE RETARDER BRG TE STATOR WNDG TEM STATOR WNDG TEM STATOR WNDG TEM STATOR WNDG TEM STATOR WNDG TEM STATOR WNDG TEM TANK TEMP OIL LINE TEMP TANK TEMP OIL LINE TEMP TANK TEMP

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 56

150.00 300.00 100.00 100.00 100.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00 150.00 300.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00

106.00 224.11 74.56 74.56 74.56 75.00 75.00 77.50 77.11 76.49 76.26 75.48 75.17 110.00 111.00 114.00 103.00 105.00 106.00 34.06 75.00 75.00 75.00 34.00 34.00 34.15 33.98 33.71 33.60 33.26 33.13 34.00 34.00 34.00 34.00 34.00 34.00 63.99 44.99 63.99 44.99 63.99

TI670 TI677 TI678 TI685 TI686 TI693 TI694 TI701 TI706 TI707 TI708 TI709 TI710 TI712 TI713 TI714 TI715 TI716 TI717 TI718 TI719 TI720 TI721 TI722 TI723 TI724 TI725 TI727 TI729 TI730 TI731 TI732 TI733 TI734 TI735 TI736 TI737 TI738 TI739 TI740 TI741 VI001

OIL LINE TEMP TANK TEMP OIL LINE TEMP TANK TEMP OIL LINE TEMP TANK TEMP OIL LINE TEMP HDR TEMP HDR TEMP STEAM HDR TEMP PROBE TEMP PROBE TEMP COOLER O/L OIL COOLER O/L TEMP COOLER I/L TEMP COOLER O/L TEMP GEN O/L TEMP GEN I/L TEMP TEMPERATURE MAIN P/P I/L TE NDE BRG TEMP-1 NDE BRG TEMP-2 DE BRG TEMP-1 DE BRG TEMP-2 BRG TEMP-1 BEG TEMP-2 FRONT BRG TEMP REAR BRG TEMP-1 WDG TEMP-1 WDG TEMP-2 WDG TEMP-3 WDG TEMP-4 WDG TEMP-5 WDG TEMP-6 ST HV WDG TEMP ST LV WDG TEMP ST LV WDG TEMP ST OIL TEMP UT HV WDG TEMP UT LV WDG TEMP UT OIL TEMP 1X VIBRT

°C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C °C um 57

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 1500.00 1500.00 100.00 100.00 100.00 100.00 100.00 100.00 600.00 300.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 150.00 150.00 150.00 150.00 150.00 150.00 150.00 400.00

44.99 63.99 44.99 63.99 44.99 34.00 34.17 34.50 38.27 1.14 0.00 0.00 44.98 44.92 85.25 45.20 84.90 45.05 537.13 171.14 76.12 75.74 77.28 76.90 75.27 75.04 73.41 73.10 76.38 76.00 75.47 74.86 74.25 74.02 90.00 90.00 90.00 90.00 90.00 90.00 90.00 74.60

VI002 VI003 VI004 VI005 VI006 VI007 VI008 VI009 VI010 VI011 VI012 VI013 VI014 VI015 VI016 VI017 VI018 VI019 VI020 VI021 VI022 VI023 VI024 VI025 VI026 VI027 VI028 VI029 VI030 VI031 VI032 VI033 VI034 VI035 VI036 VI037 VI038 VI039 VI040 VI041 VI042 VI043

1Y VIBRT 1S VIBRT 2X VIBRT 2Y VIBRT 2S VIBRT 3X VIBRT 3Y VIBRT 3S VIBRT 4X VIBRT 4Y VIBRT 4S VIBRT 5X VIBRT 5Y VIBRT 5S VIBRT 6X VIBRT 6Y VIBRT 6S VIBRT 7X VIBRT 7Y VIBRT 7S VIBRT 8X VIBRT 8Y VIBRT 8S VIBRT 9X VIBRT 9Y VIBRT 9S VIBRT REAR BRG VIB REAR BRG VIB FRONT BRG VIB FRONT BRG VIB REAR BRG VIB REAR BRG VIB FRONT BRG VIB FRONT BRG VIB REAR BRG VIB REAR BRG VIB FRONT BRG VIB FRONT BRG VIB REAR BRG VIB REAR BRG VIB FRONT BRG VIB FRONT BRG VIB

um um um um um um um um um um um um um um um um um um um um um um um um um um mm/s mm/s mm/s mm/s mm/s mm/s mm/s mm/s mm/s mm/s mm/s mm/s mm/s mm/s mm/s mm/s 58

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

400.00 200.00 400.00 400.00 500.00 400.00 400.00 200.00 400.00 400.00 200.00 400.00 400.00 200.00 400.00 400.00 200.00 400.00 400.00 200.00 400.00 400.00 200.00 400.00 400.00 200.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00

73.85 71.06 73.48 73.11 70.70 71.01 70.30 73.26 69.95 69.59 69.73 73.71 72.98 72.39 72.61 72.24 73.74 75.09 74.34 70.85 73.96 73.59 70.92 72.14 71.42 73.89 3.74 3.92 3.50 3.64 3.69 3.87 3.45 3.59 3.59 3.76 3.50 3.64 3.64 3.81 3.55 3.69

VI060 VI061 VI062 VI063 VI064 VI065 VI066 VI067 WI01 WI02 WI03 WI04 WI05 WI06 WI07 WI08 WI09 WI10 WI11 WI12 WI13 WI14 WI15 WI16 WI17 WI18 WI19 WI20 ZI001 ZI002 ZI003 ZI004 ZI005 ZI006 ZI007 ZI008 ZI009 ZI012 ZI018 ZI019 ZI020 ZI021

REAR BRG VIB REAR BRG VIB FRONT BRG VIB FRONT BRG VIB REAR BRG VIB REAR BRG VIB FRONT BRG VIB FRONT BRG VIB OCCW A POWER OCCW B POWER CCCW A POWER CCCW B POWER CEP A POWER CEP B POWER CEP C POWER PA FAN A POWER PA FAN B POWER FD FAN A POWER FD FAN B POWER ID FAN A POWER ID FAN B POWER MILL A POWER MILL B POWER MILL C POWER MILL D POWER MILL E POWER MILL F POWER GENERATOR LOAD DEH DEL CYLINDER EXP L CYLINDER EXP R ECCENTRICITY ROTOR POS-1 ROTOR POS-2 ROTOR POS-3 ROTOR POS-4 FREQUENCY MSV1 SP MSV1 PV MSV2 SP MSV2 PV

mm/s mm/s mm/s mm/s mm/s mm/s mm/s mm/s KW KW KW KW KW KW KW KW KW KW KW KW KW KW KW KW KW KW KW MW mm mm mm um mm mm mm mm Hz % % % % 59

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -7.00 -10.00 0.00 0.00 0.00 -2.00 -2.00 -2.00 -2.00 0.00 0.00 0.00 0.00 0.00

20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 100.00 100.00 500.00 500.00 1000.00 1000.00 1000.00 1500.00 1500.00 1000.00 1000.00 4000.00 4000.00 500.00 500.00 500.00 500.00 500.00 500.00 700.00 13.00 30.00 25.00 25.00 200.00 2.00 2.00 2.00 2.00 60.00 120.00 120.00 120.00 120.00

3.59 3.76 3.25 3.38 3.64 3.81 3.30 3.43 89.99 0.00 417.31 0.00 880.06 880.06 0.00 1390.29 1390.29 925.72 934.88 3762.00 3761.99 448.00 448.00 448.00 448.00 448.00 0.00 600.05 2.69 3.48 2.16 2.41 42.88 0.16 0.18 0.19 0.20 0.00 0.00 0.00 0.00 0.00

ZI022 ZI023 ZI024 ZI025 ZI026 ZI027 ZI028 ZI029 ZI030 ZI031 ZI032 ZI033 ZI034 ZI035 ZI036 ZI037 ZI040 ZI041 ZI042 ZI043 ZI044 ZI045 ZI046 ZI047 ZI048 ZI049 ZI050 ZI051 ZI052 ZI053 ZI054 ZI055 ZI038 ZI039 SI533 SFI01 SFI02 SFI03 SFI04 SFI05 SFI06 SFI07

CV1 SP CV1 PV CV2 SP CV2 PV CV3 SP CV3 PV CV4 SP CV4 PV CRV1 SP CRV1 PV CRV2 SP CRV2 PV CRV3 SP CRV3 PV CRV4 SP CRV4 PV FD A SP FD A PV FD B SP FD B PV ID A SP ID A PV ID B SP ID B PV FUEL MAS SP FUEL MAS PV BLR MAS SP BLR MAS PV AIR MAS SP AIR MAS PV FUR PR MAS SP FUR PR MAS PV ID FAN A FREQ ID FAN B FREQ SYNCHROSCOPE FLOW IND FLOW IND FLOW IND FLOW IND FLOW IND FLOW IND FLOW IND

% % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % Hz Hz DEG M3/hr M3/hr M3/hr M3/hr M3/hr M3/hr M3/hr 60

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 120.00 50.00 50.00 360.00 500.00 500.00 500.00 500.00 500.00 500.00 500.00

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 40.00 40.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

SFI08 SFI09 SFI10 SPI02 SPI03 SPI04 SPI05 SPI06 SFI11 SFI12 SCI01 SCI02 SCI03 SCI04 SCI05 SCI06 SCI07 SCI08 SCI09 SCI10 SCI11 SCI12 SCI13 SCI14 SCI15 SCI16 SCI17 SCI18 SLI01 SCI19 SCI20 SCI21 SCI22 SCI23 SCI24 SCI25 SCI26 SCI27 F001 F002 F003 F004

FLOW IND FLOW IND FLOW IND PRESS IND PRESS IND PRESS IND PRESS IND PRESS IND FLOW IND FLOW IND CON. IND CON. IND CON. IND CON. IND CON. IND CON. IND CON. IND CON. IND CON. IND CON. IND CON. IND CON. IND ACCU. ACCU. ACCU. ACCU. ACCU. ACCU. LEVEL IND FEED CONC FEED CONC FEED CONC FEED CONC FEED CONC FEED CONC FEED CONC FEED CONC FEED CONC AIR FLOW Ash From APH Ash from ECONOMIZER Ash from ESP-1

M3/hr M3/hr NM3/hr KG/CM2 KG/CM2 KG/CM2 KG/CM2 KG/CM2 M3/hr M3/hr PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM PPM TON TON TON TON TON TON % PPM PPM PPM PPM PPM PPM PPM PPM PPM T/hr T/hr T/hr T/hr 61

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -1.00 -1.00 -1.00 -1.00 -1.00 -1.00 -1.00 -1.00 -1.00 -1.00 -1.00 -1.00 -1.00 -1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

500.00 500.00 5000.00 10.00 10.00 10.00 10.00 10.00 500.00 500.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 4000.00 4000.00 4000.00 4000.00 4000.00 4000.00 100.00 150.00 150.00 100.00 100.00 100.00 100.00 100.00 100.00 400.00 5.00 20.00 20.00 100.00

0.00 0.00 4150.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 76.00 102.00 36.00 36.00 45.00 0.50 50.00 30.60 225.00 2.00 7.00 4.20 26.80

F005 F006 P001 L001 L002 L003 F007 F008 F009 F010 F021 F022 F023 F024 F025 F026 L031 L032 L033 F101 Q101 Q102 Q103 L101 L102 L103 L104 L105 L106 L107 L108 L109 EI021 EI022 EI023 EI024 EI025 EI026 EI027 EI028 EI029 EI030

Ash from ESP-2 Ash from ESP-3 IS Pressure IS Level SILIO-1 Level SILO-2 Level Service Water SLIO-1 WET ASH WET ASH from SILIO-2 CHUTE Ash Slurry flow ASH+WATER To Ash Pond DB 1 to Truck DB 2 to Truck Sludge flow DB 1 ASH LEVEL DB-2 ASH LEVEL AST Ash Level COAL FLOW Raw COAL Size PRIM. CRUSHER SIZE SEC. CRUSHER SIZE Coal Yard Ht CB - 1 Ht CB - 2 Ht CB - 3 Ht CB - 4 Ht CB - 5 Ht CB - 6 Ht CB - 7 Ht CB - 8 Ht COMN TR 1A CURRENT COMN TR 1A VOLTAGE COMN TR COUPLER CURRENT COMN TR 1B VOLTAGE CHEM TR 1A CURRENT WTR TR 1A CURRENT LIGHT TR 1A CURRENT LIGHT TR 1A VOLTAGE LIGHT TR COUPLER CURREN LIGHT TR 1B VOLTAGE

T/hr T/hr Kg/Cm2 Meter Meter Meter T/hr T/hr T/hr T/hr T/hr T/hr T/hr T/hr T/hr Meter Meter Meter MT/H mm mm mm Meter Meter Meter Meter Meter Meter Meter Meter Meter A KV A KV A A A A A V 62

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

100.00 100.00 10.00 20.00 10.00 10.00 10.00 100.00 100.00 50.00 10.00 100.00 50.00 100.00 100.00 20.00 10.00 10.00 10.00 800.00 1000.00 1000.00 100.00 20.00 10.00 10.00 10.00 10.00 10.00 10.00 10.00 10.00 1000.00 10.00 1000.00 10.00 1000.00 1000.00 1000.00 1000.00 1000.00 1000.00

10.80 7.20 5.00 5.00 3.00 5.00 5.00 0.00 15.00 0.00 4.50 19.20 8.70 15.00 0.00 8.00 2.00 3.00 2.00 580.00 500.00 150.00 20.00 10.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 68.00 3.30 52.00 3.30 47.00 138.00 24.00 415.00 20.00 415.00

EI031 EI032 EI033 EI034 EI035 EI036 EI037 EI038 EI039 EI040 EI041 EI042 EI043 EI044 EI045 EI046 EI047 EI048 EI049 EI050 EI051 EI052 EI053 EI054 EI055 EI056 EI057 EI058 EI059 EI060 EI061 EI062 EI063 EI064 EI065 EI066 EI067 EI068 EI069 EI070 EI071 EI072

HVAC TR 1A CURRENT ADMIN TR 1A CURRENT MNTE TR 1A CURRENT MNTE TR 1A VOLTAGE MNTE TR COUPLER CURRENT MNTE TR 1B VOLTAGE UNIT 1A CURRENT ST BUS 1A VOLTAGE ST BUS 1A CURRENT COMN TR 1B CURRENT CHEM TR 1B CURRENT WTR TR 1B CURRENT LIGHT TR 1B CURRENT HVAC TR 1B CURRENT ADMIN TR 1B CURRENT MNTE TR 1B CURRENT UNIT 1B CURRENT ST BUS 1B VOLTAGE ST BUS 1B CURRENT ESP 1A CURRENT LV 1A CURRENT UNIT 1A VOLTAGE UNIT 1A CURRENT ESP 1B CURRENT LV 1B CURRENT UNIT 1B VOLTAGE UNIT 1B CURRENT BMCC VOLTAGE TMCC VOLTAGE EMRG MCC VOLTAGE UAT 1 POWER CURRENT UAT 2 POWER CURRENT ST POWER REACTIVE POWER DG CURRENT DG VOLTAGE DG POWER DG FREQUENCY DG BUS-1 VOLTAGE DG BUS-1 CURRENT

A V A A A A A KV A A A A A A A A A KV A A A KV A A A KV A V V V MW A MW A MW MVAR A V MW Hz V A 63

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

1000.00 1000.00 1000.00 1000.00 1000.00 1000.00 10000.00 1000.00 10000.00 1000.00 1000.00 1000.00 1000.00 1000.00 1000.00 1000.00 10000.00 1000.00 10000.00 1000.00 1000.00 1000.00 10000.00 1000.00 1000.00 1000.00 10000.00 1000.00 1000.00 1000.00 10000.00 10000.00 10000.00 10000.00 10000.00 10000.00 10000.00 1000.00 10000.00 1000.00 10000.00 10000.00

98.00 24.00 24.00 415.00 20.00 415.00 26.00 11.00 449.00 68.00 24.00 132.00 18.00 98.00 24.00 24.00 38.00 11.00 426.00 172.00 35.00 11.00 1720.00 172.00 35.00 11.00 1380.00 415.00 415.00 415.00 100.00 100.00 100.00 100.00 100.00 100.00 3653.00 415.00 2232.00 50.00 415.00 121.00

EI073 EI074 EI075 EI076 EI077 EI078 EI079 EI080 EI081 EI082 EI083 EI084 EI085 EI086 EI087 EI088 EI089 EI090 EI091 EI092 EI093 EI094

DG BUS-1 CURRENT DG BUS-2 VOLTAGE DG BUS-2 CURRENT DG BUS-2 CURRENT BATTERY-A VOLTAGE CHARGER-1 VOLTAGE CHARGER-1 CURRENT BOOST CHARGE-1 VOLTAGE BOOST CHARGE-1 CURRENT BATTERY-B VOLTAGE CHARGER-2 VOLTAGE CHARGER-2 CURRENT BOOST CHARGE-2 VOLTAGE BOOST CHARGE-2 CURRENT UPS VOLTAGE UPS CURRENT UPS FREQUENCY SUPPLY-1CURRENT SUPPLY-2CURRENT DC INPUT-1 CURRENT DC INPUT-2 CURRENT BYPASS CURRENT

A V A A V V A V A V V A V A V A Hz A A A A A

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

10000.00 10000.00 10000.00 10000.00 10000.00 1000.00 10000.00 1000.00 1000.00 1000.00 1000.00 1000.00 1000.00 1000.00 1000.00 1000.00 100.00 10.00 10.00 10.00 10.00 10.00

3.3 SWITCHES TAG HS001 HS002 HS003 HS004 HS005 HS006 HS007 HS008 HS009 HS010 HS011 HS012 HS013 HS014 HS015 HS016

DESCRIPTION PUMP A DISCH MO PUMP B DISCH MO I/L MOV 1 I/L MOV 2 O/L MOV 1 O/L MOV 2 DISCH VALVE MOV DISCH VALVE I/L MOV O/L MOV I/L MOV O/L MOV SUCTION MOV DISCHARGE MOV BYPASS MOV I/L MOV AT FILT

DESIGN OPEN CLOSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN CLOSE CLOSE OPEN OPEN CLOSE OPEN

64

185.00 415.00 132.00 174.00 234.39 234.78 3.28 234.94 0.56 233.49 233.75 2.75 233.90 0.40 252.14 11.18 50.00 2.62 3.87 1.51 1.32 2.57

HS017 HS018 HS019 HS020 HS021 HS022 HS023 HS024 HS025 HS026 HS027 HS028 HS029 HS030 HS031 HS032 HS033 HS034 HS035 HS036 HS037 HS038 HS039 HS040 HS041 HS042 HS043 HS044 HS045 HS046 HS047 HS048 HS049 HS050 HS051 HS052 HS053 HS054 HS055 HS056 HS057 HS058 HS059 HS060 HS061 HS062 HS063

O/L MOV AT FILT BYPASS MOV COOLER-A I/L MO COOLER-B I/L MO I/L MOV OF H.EI/L MOV OF H.ECOOLER UPSTREAM CW FOR L.O COOL CW FOR L.O COOL CW FOR L.O COOL CW FOR L.O COOL CW I/L MOV W.O COOLER MOV L.O COOLER MOV I/L MOV O/L MOV I/L MOV O/L MOV DRAIN V/V H.E-A HOT SIDE H.E-B HOT SIDE AIR SIDE COOLER AIR SIDE COOLER H2 SIDE COOLERH2 SIDE COOLERCOOLER-A V/V COOLER-B V/V H2 DRYER COOLER BRG L.O COOLER MECH SEALING TB MECH SEALING CO MTR COOLER TBFP MECH SEALING TB MECH SEALING CO MTR COOLER TBFP MECH SEALING MB MECH SEALING CO MTR COOLER MBFP MILL-A MILL-B MILL-C MILL-D MILL-E MILL-F COOLER COOLING WATER COOLER V/V

OPEN CLOSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN CLOSE CLOSE CLOSE OPEN CLOSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN 65

HS064 HS065 HS066 HS067 HS068 HS069 HS070 HS071 HS072 HS073 HS074 HS075 HS076 HS077 HS078 HS079 HS080 HS081 HS082 HS083 HS084 HS085 HS086 HS087 HS088 HS089 HS090 HS092 HS093 HS094 HS095 HS096 HS097 HS098 HS099 HS100 HS101 HS102 HS103 HS104 HS105 HS106 HS107 HS109 HS110 HS111 HS112

COOLING LINE V/V PUMP-A COOLING PUMP-B COOLING DISCH MOV SUCTION V/V SUCTION V/V SUCTION V/V COOLER-A DOWN V COOLER-B DOWN V RETURN TO TANK DISCH V/V DISCH V/V DISCH TO TANK MOTOR HEATER DISCH V/V DISCH V/V DISCH V/V DISCH V/V FILTER-A DOWN V FILTER-B DOWN V OIL COOLER RETU FILTER-A UPSTRE FILTER-B UPSTRE CIRCULATING RET TBFP-A RETURN V TBFP-B RETURN V CCCW MAKE UP MO DISCH V/V DISCH V/V MAKE UP TO EMER TO CCWS TP MAKE UP WATE SEAL WATER TO V SEAL WATER TO V LPH-7 O/L MOV LPH-8 I/L MOV LPH-6 I/L MOV LPH-6 O/L MOV LPH-6 BYPASS MO LPH-5 I/L MOV LPH-5 O/L MOV LPH-5 BYPASS MO I/L MOV O/L MOV I/L MOV O/L MOV

OPEN OPEN CLOSE CLOSE OPEN OPEN OPEN OPEN OPEN OPEN CLOSE CLOSE OPEN CLOSE CLOSE OPEN CLOSE CLOSE OPEN OPEN OPEN CLOSE OPEN CLOSE OPEN OPEN OPEN OPEN OPEN CLOSE CLOSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN CLOSE OPEN OPEN CLOSE OPEN OPEN OPEN OPEN 66

HS113 HS114 HS115 HS116 HS117 HS118 HS119 HS120 HS121 HS122 HS123 HS124 HS127 HS128 HS129 HS130 HS131 HS133 HS135 HS136 HS137 HS138 HS139 HS140 HS141 HS142 HS143 HS144 HS145 HS146 HS148 HS149 HS150 HS151 HS152 HS153 HS154 HS155 HS156 HS157 HS158 HS159 HS160 HS161 HS162 HS163 HS164

I/L MOV O/L MOV I/L MOV O/L MOV BYPASS MOV BEFORE MOV AFTER MOV BYPASS MOV I/L MOV O/L MOV BYPASS MOV VENT MOV CYLINDER DRAIN CYLINDER DRAIN CRH RCV CRH B/F DRAIN M CRH A/F DRAIN M LINE DRAIN MOV LINE DRAIN MOV DRAIN MOV MOV MOV MOV AST TO F.O HEAT AST TO F.O HEAT AST TO OIL GUN AST HDR DRAIN I/L MOV I/L MOV DRAIN MOV HDR DRAIN MOV B/F MOV BYPASS MOV DRAIN MOV I/L MOV BYPASS MOV DRAIN MOV BYPASS MOV H.P GLAND DRAIN TO CONDENSER OF VENT MOV DRAIN MOV-1 DRAIN MOV-2 EMG DRAIN 7A TO EMG DRAIN 7B TO EMG DRAIN 8A TO EMG DRAIN 8B TO

CLOSE OPEN OPEN OPEN CLOSE OPEN OPEN CLOSE OPEN OPEN CLOSE CLOSE CLOSE CLOSE OPEN CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE OPEN CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE OPEN CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE 67

HS165 HS166 HS167 HS168 HS169 HS170 HS171 HS172 HS173 HS174 HS175 HS176 HS177 HS178 HS179 HS180 HS181 HS182 HS183 HS184 HS185 HS186 HS187 HS188 HS189 HS190 HS191 HS192 HS193 HS194 HS195 HS196 HS197 HS198 HS199 HS200 HS203 HS204 HS205 HS206 HS207 HS208 HS209 HS210 HS211 HS212 HS213

RCV A/F MOV DRAIN MCV B/F R A/F RCV DRAIN M RCV A/F MOV DRAIN MCV B/F R A/F RCV DRAIN M RCV A/F MOV DRAIN MCV B/F R A/F RCV DRAIN M MCV-1 MCV-2 A/F MOV DRAIN MCV A/F M DRAIN MCV B/F M MOV BFP-A MOV B/F MOV DRAIN M EXT TO BFP-A DR AST TO BFP-A MO BFP-B MOV B/F MOV DRAIN M EXT TO BFP-B DR AST TO BFP-B MO MOV A/F MOV DRAIN V B/F RCV DRAIN M RCV A/F MOV A/F RCV DRAIN M B/F RCV DRAIN M RCV A/F MOV A/F RCV DRAIN M IP CYLINDER TO IP CYLINDER TO IP CYLINDER TO IP CYLINDER TO LP CYLINDER TO LP CYLINDER TO LP CYLINDER TO LP CYLINDER TO HP TURBINE DRAI HP CYLINDER TO HP CYLINDER TO

OPEN OPEN CLOSE CLOSE OPEN OPEN CLOSE CLOSE OPEN OPEN CLOSE CLOSE OPEN OPEN OPEN CLOSE CLOSE CLOSE OPEN CLOSE CLOSE CLOSE OPEN CLOSE CLOSE CLOSE OPEN CLOSE CLOSE OPEN OPEN CLOSE CLOSE OPEN OPEN CLOSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN CLOSE OPEN OPEN 68

HS214 HS215 HS216 HS217 HS218 HS219 HS220 HS221 HS222 HS223 HS224 HS225 HS226 HS227 HS228 HS230 HS231 HS232 HS233 HS234 HS235 HS236 HS237 HS238 HS239 HS240 HS241 HS242 HS243 HS244 HS245 HS246 HS247 HS248 HS249 HS250 HS251 HS252 HS253 HS254 HS255 HS256 HS257 HS258 HS259 HS260 HS261

HP TURBINE DRAI CRH TO DRAIN V/ HP AND IP OUTER HP AND IP OUTER I/L MOV MAIN P/P DISCH BFP TAPPING MOV I/L MOV MAIN P/P DISCH BFP TAPPING MOV I/L MOV BFP TAPPING MOV DISCH MOV HPH I/L 4-WAY V HPH O/L 4-WAY V MAIN MCV BYPASS I/L MOV BYPASS O/L MOV BFP EXH TO COND BFP EXH DRAIN M P/P-A DISCH V/V FILTER-A U/P V/ FILTER-B U/P V/ P/P-B DISCH V/V P/P-C DISCH V/V TBFP TO EH OIL BRG LUBE OIL I/ BFP EXH TO COND BFP EXH DRAIN M P/P-A DISCH V/V FILTER-A U/P V/ FILTER-B U/P V/ P/P-B DISCH V/V P/P-C DISCH V/V TBFP TO EH OIL BRG LUBE OIL I/ MOP DISCH V/V AOP DISCH V/V FILTER DOWNSTRE COND-A VACUUM B COND-B VACUUM B I/L MOV SEPARATOR MAKE I/L MOV SEPARATOR MAKE I/L MOV SEPARATOR MAKE

CLOSE CLOSE CLOSE CLOSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN CLOSE CLOSE OPEN OPEN CLOSE OPEN OPEN OPEN CLOSE CLOSE OPEN OPEN OPEN CLOSE CLOSE OPEN OPEN CLOSE CLOSE OPEN OPEN OPEN CLOSE CLOSE OPEN OPEN CLOSE OPEN CLOSE CLOSE OPEN OPEN OPEN OPEN CLOSE CLOSE 69

HS262 HS263 HS264 HS265 HS266 HS267 HS268 HS269 HS270 HS271 HS272 HS273 HS275 HS276 HS277 HS278 HS279 HS280 HS281 HS282 HS283 HS284 HS285 HS286 HS287 HS288 HS289 HS290 HS291 HS292 HS293 HS294 HS295 HS296 HS297 HS298 HS299 HS300 HS301 HS304 HS305 HS306 HS307 HS308 HS313 HS315 HS316

VACUUM P/P ISO VACUUM P/P ISO MOV A-SIDE MOV-1 A-SIDE MOV-2 B-SIDE MOV-1 B-SIDE MOV-2 A-SIDE MOV-1 A-SIDE MOV-2 B-SIDE MOV-1 B-SIDE MOV-2 A-SIDE VENT V/V A-SIDE MSSV A-SIDE BYPASS M B-SIDE VENT V/V B-SIDE VENT V/V B-SIDE MSSV B-SIDE BYPASS M A-SIDE VENT V/V A-SIDE VENT V/V B-SIDE VENT V/V B-SIDE VENT V/V HDR ISO MOV A-SIDE I/L MOV A-SIDE O/L MOV B-SIDE I/L MOV B-SIDE O/L MOV A-SIDE I/L MOV A-SIDE O/L MOV B-SIDE I/L MOV B-SIDE O/L MOV HDR ISO MOV-1 HDR ISO MOV-2 A-SIDE AFTER IS B-SIDE AFTER IS DRUM VENT-1 DRUM VENT-2 DRUM TO CBD DRUM TO CBD BYP FRONT WALL LHS FRONT WALL LHS ECO RECIRCULATI ECO I/L HDR DRA ECO BLOW DOWN V I/L FILTER DAMP I/L DAMPER O/L DAMPER

OPEN OPEN CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE OPEN CLOSE CLOSE CLOSE OPEN CLOSE CLOSE CLOSE CLOSE CLOSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE OPEN OPEN OPEN 70

HS317 HS319 HS320 HS321 HS322 HS323 HS324 HS325 HS326 HS327 HS328 HS329 HS330 HS331 HS332 HS333 HS335 HS338 HS339 HS341 HS342 HS344 HS345 HS346 HS347 HS348 HS349 HS350 HS351 HS352 HS353 HS354 HS355 HS356 HS357 HS358 HS359 HS360 HS361 HS363 HS364 HS367 HS418 HS419 HS420 HS421 HS422

I/L FILTER DAMP I/L DAMPER O/L DAMPER MDV1 MDV2 MDV3 MDV4 MDV5 MDV6 O/L DAMPER O/L CAD APH O/L DAMPER O/L DAMPER O/L CAD APH O/L DAMPER O/L DAMP-1 APH O/L DAMPERFD O/L CROSS DA O/L DAMP-1 APH O/L DAMPERAPH O/L DAMPERAPH I/L FG DAMP APH I/L FG DAMP APH I/L FG DAMP APH I/L FG DAMP FAN I/L DAMPERFAN I/L DAMPERFAN O/L DAMP-1 FAN O/L DAMP-2 APH I/L FG DAMP APH I/L FG DAMP APH I/L FG DAMP APH I/L FG DAMP FAN I/L DAMPERFAN I/L DAMPERFAN O/L DAMP-1 FAN O/L DAMP-2 MAIN MOTOR AUX MOTOR MAIN MOTOR AUX MOTOR O/L DAMP-2 ACCUMALATOR O/L P/P-A DISCH V/V P/P-B DISCH V/V P/P-C DISCH V/V COOLER U/P V/V

CLOSE CLOSE CLOSE OPEN OPEN OPEN OPEN OPEN CLOSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN CLOSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN CLOSE OPEN CLOSE OPEN CLOSE OPEN CLOSE OPEN OPEN 71

HS423 HS424 HS425 HS426 HS427 HS428 HS429 HS430 HS431 HS432 HS433 HS434 HS435 HS436 HS437 HS438 HS439 HS440 HS441 HS442 HS443 HS444 HS445 HS446 HS447 HS448 HS449 HS450 HS451 HS452 HS453 HS454 HS455 HS456 HS457 HS458 HS459 HS460 HS461 HS462 HS463 HS465 HS466 HS467 HS468 HS469 HS470

FILTER-A U/P V/ FILTER-B U/P V/ OIL SPILL BACK TO SERVO V/V ACCUMALATOR O/L P/P-A DISCH V/V P/P-B DISCH V/V P/P-C DISCH V/V COOLER U/P V/V FILTER-A U/P V/ FILTER-B U/P V/ OIL SPILL BACK TO SERVO V/V ACCUMALATOR O/L P/P-A DISCH V/V P/P-B DISCH V/V P/P-C DISCH V/V COOLER U/P V/V FILTER-A U/P V/ FILTER-B U/P V/ OIL SPILL BACK TO SERVO V/V ACCUMALATOR O/L P/P-A DISCH V/V P/P-B DISCH V/V P/P-C DISCH V/V COOLER U/P V/V FILTER-A U/P V/ FILTER-B U/P V/ OIL SPILL BACK TO SERVO V/V P/P-A DISCH V/V P/P-B DISCH V/V FILTER-A U/P V/ FILTER-B U/P V/ P/P-A DISCH V/V P/P-B DISCH V/V FILTER-A U/P V/ FILTER-B U/P V/ CAD HAD S.A MOV MILL MDV1 MDV2 MDV3 MDV4

OPEN OPEN CLOSE OPEN CLOSE OPEN OPEN OPEN OPEN OPEN OPEN CLOSE OPEN CLOSE OPEN CLOSE OPEN OPEN OPEN OPEN CLOSE CLOSE CLOSE OPEN CLOSE OPEN OPEN OPEN CLOSE CLOSE OPEN OPEN CLOSE OPEN OPEN OPEN CLOSE OPEN OPEN OPEN OPEN OPEN START OPEN OPEN OPEN OPEN 72

HS471 HS472 HS473 HS474 HS475 HS476 HS477 HS479 HS480 HS481 HS482 HS483 HS484 HS485 HS486 HS487 HS488 HS489 HS490 HS491 HS493 HS494 HS495 HS496 HS497 HS498 HS499 HS500 HS501 HS502 HS503 HS504 HS505 HS507 HS508 HS509 HS510 HS511 HS512 HS513 HS514 HS515 HS516 HS517 HS518 HS519 HS521

FIRE FIGHTING M FEEDER-A FEEDER I/L DAMP S.A DAMPER FEEDER O/L DAMP CAD HAD S.A MOV MILL MDV1 MDV2 MDV3 MDV4 FIRE FIGHTING M FEEDER-B FEEDER I/L DAMP S.A DAMPER FEEDER O/L DAMP CAD HAD S.A MOV MILL MDV1 MDV2 MDV3 MDV4 FIRE FIGHTING M FEEDER-C FEEDER I/L DAMP S.A DAMPER FEEDER O/L DAMP CAD HAD S.A MOV MILL MDV1 MDV2 MDV3 MDV4 FIRE FIGHTING M FEEDER-D FEEDER I/L DAMP S.A DAMPER FEEDER O/L DAMP CAD HAD S.A MOV

CLOSE START OPEN OPEN OPEN OPEN OPEN OPEN START OPEN OPEN OPEN OPEN CLOSE START OPEN OPEN OPEN OPEN OPEN OPEN START OPEN OPEN OPEN OPEN CLOSE START OPEN OPEN OPEN OPEN OPEN OPEN START OPEN OPEN OPEN OPEN CLOSE START OPEN OPEN OPEN OPEN OPEN OPEN 73

HS522 HS523 HS524 HS525 HS526 HS527 HS528 HS529 HS530 HS531 HS532 HS533 HS535 HS536 HS537 HS538 HS539 HS540 HS541 HS542 HS543 HS544 HS545 HS546 HS547 HS548 HS549 HS550 HS551 HS552 HS553 HS554 HS555 HS556 HS557 HS558 HS559 HS560 HS561 HS562 HS563 HS564 HS565 HS566 HS567 HS568 HS569

MILL MDV1 MDV2 MDV3 MDV4 FIRE FIGHTING M FEEDER-E FEEDER I/L DAMP S.A DAMPER FEEDER O/L DAMP CAD HAD S.A MOV MILL MDV1 MDV2 MDV3 MDV4 FIRE FIGHTING M FEEDER-F FEEDER I/L DAMP S.A DAMPER FEEDER O/L DAMP TANK HEATER P/P-A DISCH V/V P/P-B DISCH V/V FILTER-A U/P V/ FILTER-B U/P V/ TANK HEATER P/P-A DISCH V/V P/P-B DISCH V/V FILTER-A U/P V/ FILTER-B U/P V/ TANK HEATER P/P-A DISCH V/V P/P-B DISCH V/V FILTER-A U/P V/ FILTER-B U/P V/ TANK HEATER P/P-A DISCH V/V P/P-B DISCH V/V FILTER-A U/P V/ FILTER-B U/P V/ TANK HEATER P/P-A DISCH V/V P/P-B DISCH V/V FILTER-A U/P V/

START OPEN OPEN OPEN OPEN CLOSE START OPEN OPEN OPEN CLOSE CLOSE CLOSE STOP CLOSE CLOSE CLOSE CLOSE CLOSE STOP CLOSE CLOSE CLOSE CLOSE OPEN CLOSE OPEN CLOSE CLOSE OPEN CLOSE OPEN CLOSE CLOSE OPEN CLOSE OPEN CLOSE CLOSE OPEN CLOSE OPEN CLOSE CLOSE OPEN CLOSE OPEN 74

HS570 HS571 HS572 HS573 HS574 HS575 HS576 HS577 HS578 HS579 HS580 HS581 HS582 HS584 HS585 HS586 HS587 HS588 HS590 HS591 HS592 HS593 HS594 HS596 HS597 HS598 HS599 HS600 HS602 HS603 HS604 HS605 HS606 HS607 HS608 HS609 HS611 HS612 HS613 HS614 HS615 HS616 HS618 HS619 HS620 HS621 HS622

FILTER-B U/P V/ TANK HEATER P/P-A DISCH V/V P/P-B DISCH V/V FILTER-A U/P V/ FILTER-B U/P V/ SUPPLY TRIP VAL RETURN LINE TRI CORNER-1 OIL V/ CORNER-1 GUN CORNER-1 IGNITE CORNER-1 PURGE CORNER-1 SPARK CORNER-2 OIL V/ CORNER-2 GUN CORNER-2 IGNITE CORNER-2 PURGE CORNER-2 SPARK CORNER-3 OIL V/ CORNER-3 GUN CORNER-3 IGNITE CORNER-3 PURGE CORNER-3 SPARK CORNER-4 OIL V/ CORNER-4 GUN CORNER-4 IGNITE CORNER-4 PURGE CORNER-4 SPARK SUPPLY OIL TRIP RETURN LINE TRI CORNER-1 OIL V/ CORNER-1 GUN CORNER-1 IGNITE CORNER-1 PURGE CORNER-1 ATOM V CORNER-1 SPARK CORNER-2 OIL V/ CORNER-2 GUN CORNER-2 IGNITE CORNER-2 PURGE CORNER-2 ATOM V CORNER-2 SPARK CORNER-3 OIL V/ CORNER-3 GUN CORNER-3 IGNITE CORNER-3 PURGE CORNER-3 ATOM V

CLOSE CLOSE OPEN CLOSE OPEN CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE 75

HS623 HS625 HS626 HS627 HS628 HS629 HS630 HS634 HS635 HS636 HS637 HS638 HS639 HS641 HS642 HS643 HS644 HS645 HS646 HS648 HS649 HS650 HS651 HS652 HS653 HS655 HS656 HS657 HS658 HS659 HS660 HS664 HS665 HS666 HS667 HS668 HS669 HS671 HS672 HS673 HS674 HS675 HS676 HS678 HS679 HS680 HS681

CORNER-3 SPARK CORNER-4 OIL V/ CORNER-4 GUN CORNER-4 IGNITE CORNER-4 PURGE CORNER-4 ATOM V CORNER-4 SPARK CORNER-1 OIL V/ CORNER-1 GUN CORNER-1 IGNITE CORNER-1 PURGE CORNER-1 ATOM V CORNER-1 SPARK CORNER-2 OIL V/ CORNER-2 GUN CORNER-2 IGNITE CORNER-2 PURGE CORNER-2 ATOM V CORNER-2 SPARK CORNER-3 OIL V/ CORNER-3 GUN CORNER-3 IGNITE CORNER-3 PURGE CORNER-3 ATOM V CORNER-3 SPARK CORNER-4 OIL V/ CORNER-4 GUN CORNER-4 IGNITE CORNER-4 PURGE CORNER-4 ATOM V CORNER-4 SPARK CORNER-1 OIL V/ CORNER-1 GUN CORNER-1 IGNITE CORNER-1 PURGE CORNER-1 ATOM V CORNER-1 SPARK CORNER-2 OIL V/ CORNER-2 GUN CORNER-2 IGNITE CORNER-2 PURGE CORNER-2 ATOM V CORNER-2 SPARK CORNER-3 OIL V/ CORNER-3 GUN CORNER-3 IGNITE CORNER-3 PURGE

CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE 76

HS682 HS683 HS685 HS686 HS687 HS688 HS689 HS690 HS692 HS693 HS694 HS695 HS696 HS697 HS698 HS699 HS700 HS701 HS702 HS703 HS704 HS705 HS706 HS707 HS708 HS709 HS710 HS711 HS712 HS713 HS714 HS715 HS716 HS717 HS718 HS719 HS720 HS721 HS722 HS723 HS724 HS725 HS726 HS727 HS728 HS729 HS735

CORNER-3 ATOM V CORNER-3 SPARK CORNER-4 OIL V/ CORNER-4 GUN CORNER-4 IGNITE CORNER-4 PURGE CORNER-4 ATOM V CORNER-4 SPARK LEFT PROBE RIFHT PROBE DISCH V/V DISCH V/V DISCH V/V P/P SPILL BACK FILTER-A UPSTRE FILTER-B UPSTRE H2 SIDE TANK TO H2 SIDE TANK TO DISCH V/V DISCH V/V DISCH V/V P/P SPILL BACK P/P SPILL BACK HP OIL TO AIR S LP OIL TO AIR S TURBINE OIL TO FILTER-A UPSTRE FILTER-B UPSTRE AIR SIDE TO H2 CO2 SUPPLY V/V CO2 TO DRYER V/ CO2 DRAIN H2 SUPPLY FILTE H2 SUPPLY BYPAS H2 LINE VENT V/ H2 TO DRYER V/V EXCITER END V/V TURBINE END V/V HDR VENT V/V DISCH V/V DISCH V/V FILTER-A UPSTRE FILTER-B UPSTRE ION EXCG UPSTRE ION EXCG DOWN V FRONT WALL LHS EMG DRAIN TO FL

CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE OUT OUT OPEN CLOSE CLOSE CLOSE OPEN CLOSE CLOSE CLOSE OPEN CLOSE CLOSE CLOSE CLOSE OPEN OPEN OPEN OPEN CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE OPEN OPEN OPEN CLOSE OPEN CLOSE OPEN CLOSE OPEN OPEN CLOSE CLOSE 77

HS736 HS737 HS738 HS739 HS740 HS741 HS742 HS743 HS744 HS745 HS746 HS747 HS748 HS749 HS750 HS751 HS752 HS753 HS754 HS755 HS756 HS757 HS758 HS759 HS760 HS761 HS762 HS763 HS764 HS765 HS766 HS767 HS768 HS769 HS770 HS771 HS772 HS773 HS774 HS775 HS776 HS777 HS778 HS779 HS780 HS781 HS782

EMG DRAIN TO FL EMG DRAIN TO FL EMG DRAIN TO FL PA FAN-A PA FAN-B FD FAN-A FD FAN-B ID FAN-A ID FAN-B ACCUMALATOR O/L ACCUMALATOR O/L A-I/L VLV B-I/L VLV I/L VALVE BY PASS V/V PURGE START APH O/L DAMPER-2 O/L DAMP-2 MFT PB MFT RESET OA1 AUTO OA2 AUTO OA3 AUTO OA4 AUTO OB1 AUTO OB2 AUTO OB3 AUTO OB4 AUTO OC1 AUTO OC2 AUTO OC3 AUTO OC4 AUTO OD1 AUTO OD2 AUTO OD3 AUTO OD4 AUTO A BY-PASS FOD B BY-PASS FOD AUX STEAM SOURCE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE

CLOSE CLOSE CLOSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN CLOSE CLOSE OPEN OPEN RUN RESET STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP CLOSE CLOSE CLOSE OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN 78

HS783 HS784 HS785 HS786 HS787 HS788 HS789 HS790 HS791 HS792 HS793 HS794 HS795 HS796 HS797 HS798 HS799 HS800 HS801 HS802 HS803 HS804 HS805 HS806 HS807 HS808 HS809 HS810 HS811 HS812 HS813 HS814 HS815 HS816 HS817 HS818 HS819 HS820 HS821 HS822 HS823 HS824 HS825 HS826 HS827 HS828 HS829

KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE KNIFE GATE GEN A STATOR COOL GEN B STATOR COOL SWITCH SWITCH SWITCH SWITCH SWITCH OB1 PURGE OB1 PURGE REQ OB2 PURGE OB2 PURGE REQ OB3 PURGE OB3 PURGE REQ OB4 PURGE OB4 PURGE REQ OC1 PURGE OC1 PURGE REQ OC2 PURGE OC2 PURGE REQ OC3 PURGE OC3 PURGE REQ OC4 PURGE OC4 PURGE REQ OD1 PURGE OD1 PURGE REQ OD2 PURGE OD2 PURGE REQ OD3 PURGE OD3 PURGE REQ OD4 PURGE OD4 PURGE REQ

OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN CLOSE CLOSE CLOSE CLOSE START STOP CLOSE CLOSE CLOSE CLOSE CLOSE STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP STOP 79

HS830 HS831 HS832 HS833 HS834 HS835 HS836 HS837 HS838 PS01 PS02 PS03 PS04 PS05 PS06 PS07 PS08 PS09 PS10 PS100 PS101 PS102 PS103 PS104 PS105 PS106 PS107 PS108 PS109 PS110 PS111 PS112 PS113 PS17 PS18 PS19 PS20 PS21 PS22 PS23 PS24 PS25 PS26 PS28 PS29 PS30 PS31

GEN CKT BKR ECITATION BKR EXCITATION AUTO FIELD BKR AVR AUTO SYNCHRNISER HP BYP FW LP BYP CON LP BYP CON PUMP SWITCH PUMP SWITCH PUMP A PUMP B PUMP A PUMP B PUMP A PUMP B PUMP-A PUMP-A FAN-B PUMP-A PUMP-B DC PUMP-C PUMP-A PUMP-B DC PUMP-C PUMP-A PUMP-B COOLING FAN A COOLING FAN B COOLING FAN A COOLING FAN B COOLING P/P PUMP-A PUMP-B PUMP PUMP-A PUMP-B PUMP-C EXHAUST FAN-A EXHAUST FAN-B PUMP-A PUMP-B PUMP-A PUMP-B COOLING CIRC PU CELLULOSE PUMP

CLOSE CLOSE AUTO CLOSE AUTO ON CLOSE CLOSE CLOSE START STOP START STOP START START START STOP START START STOP START STOP STOP START STOP STOP START STOP START STOP START STOP START START STOP STOP STOP STOP START START STOP STOP STOP START STOP STOP START 80

PS32 PS33 PS34 PS35 PS36 PS37 PS38 PS39 PS40 PS41 PS42 PS43 PS44 PS45 PS46 PS47 PS48 PS49 PS50 PS51 PS52 PS53 PS54 PS55 PS56 PS57 PS58 PS59 PS60 PS61 PS62 PS63 PS64 PS65 PS72 PS73 PS74 PS75 PS76 PS77 PS78 PS79 PS80 PS81 PS82 PS83 PS84

PUMP-A PUMP-B PUMP-A PUMP-B PUMP-C FAN-A FAN-B BOOST P/P BOOST P/P MAIN P/P LOP-A LOP-B PUMP-C LOP-A LOP-B PUMP-C AOP PUMP RECIRCULATION P PUMP RECIRCULATION P PUMP RECIRCULATION P PUMP-A PUMP-B PUMP-C FAN FAN FAN FAN FAN FAN FAN FAN PUMP-A PUMP-B COOLING P/P PUMP-A PUMP-B COOLING P/P PUMP-A PUMP-B COOLING P/P PUMP-A PUMP-B PUMP-A PUMP-B

START STOP START START STOP START START START START STOP STOP START STOP STOP START STOP START START START START START STOP STOP START START STOP START STOP START START START START START START START STOP STOP STOP START START START STOP START START STOP START STOP 81

PS85 PS86 PS87 PS88 PS89 PS90 PS91 PS92 PS93 PS94 PS95 PS96 PS97 PS98 PS99 HS839 HS840 HS842 HS841 HS843 HS844 HS845 HS846 HS847 FD01 FD02 FD03 FD04 FD05 FD06 FD07 FD08 FD09 FD10 FD11 FD12 FD13 FD14 FD15 FD16 FD17 FD18 FD19 FD20 FD21 FD22 FD23

PUMP-A PUMP-B PUMP-A PUMP-B PUMP-A PUMP-B PUMP-A PUMP-B PUMP-A PUMP-B PUMP-A PUMP-B PUMP-A PUMP-B FAN-A TURBINE LATCH FULL/PARCIAL GO/HOLD AUTO/MANUAL UT BREAKER ST BREAKER LOAD CONTROL AUTO SYNC SPEED CONTROL SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH

START STOP START STOP START STOP START STOP START STOP START STOP STOP STOP START LATCH FULL HOLD MANUAL CLOSE OPEN IN OUT OUT OPEN START OPEN OPEN STOP OPEN OPEN START OPEN OPEN STOP OPEN START OPEN STOP OPEN OPEN STOP OPEN CLOSE CLOSE CLOSE CLOSE 82

FD24 FD25 FD26 FD27 FD28 FD29 FD30 FD31 FD32 FD33 FD34 FD35 FD36 FD37 FD38 FD39 FD40 FD41 FD42 FD43 FD44 FD45 FD46 FD47 FD48 FD54 FD60 FD70 FD74 FD75 S001 S002 S003 S004 S005 S006 S007 S008 S009 S010 S011 S012 S013 S014 S015 S016 S017

SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH AHP Ash ECO Ash ESP-1 Ash ESP-2 Ash ESP-3 Ash Air Compressor SW A Pump SW B Pump AIR FLOW IS VENT IS to SILO-1 IS to SILO-2 IS TO CHUTE WATER TO SILO-1 WATER TO SILO-2` WET ASH FROM SILO-1 WET ASH FROM SILO-2

CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE OPEN OPEN OPEN OPEN OPEN START START STOP OPEN OPEN OPEN CLOSE CLOSE OPEN CLOSE CLOSE OPEN 83

S031 S032 S033 S034 S035 S051 S052 S053 S054 S055 S056 S058 S059 S060 S061 S062 S063 S064 S065 S066 S070 S101 S104 S105 S106 S107 S108 S110 S111 S112 S114 S115 S116 S117 S118 S119 S120 S121 S122 S123 S124 S125 S126 S127 S128 S129 S130

Ash Slurry Pump A Ash Slurry Pump B Ash Pump A Ash Pump B Ash sludge Pump Clicker Crusher A Clicker Crusher B Water to Clinker A Water to Clinker B Clicker A O/L Clinker B O/L to ASH Pond BAH to DB 1 BAH to DB 2 AST to DB 1 AST to DB 2 DB-1 to AST DB-2 to AST DB-1 ASH DB-2 ASH Serv water - Ash Pond WAGGON LOADING CONVEYER 1A CONVEYER 1B CONVEYER 2A CONVEYER 2B PRIM .CRUSHER CONVEYER 3A CONVEYER 3B SEC. CRUSHER CONVEYER 4A CONVEYER 4B CONVEYER 5A CONVEYER 5B STACKER RECLAIMER CONVEYER 9A CONVEYER 9B CONVEYER 6A CONVEYER 6B CONVEYER 7A CONVEYER 7B CONVEYER 10A CONVEYER 10B To CB-1 To CB-2 To CB-3 To CB-4

START STOP START STOP START START STOP START START OPEN OPEN OPEN CLOSE OPEN CLOSE OPEN CLOSE OPEN CLOSE OPEN CLOSE START START STOP START STOP START START STOP START START STOP START STOP STOP STOP STOP START STOP START STOP START STOP OPEN OPEN OPEN CLOSE 84

S131 S132 S133 S134 S135 S136 S137 S138 S139 S140 S141 S142 S143 S144 S145 S146 S147 S148 S149 S150 S151 CB001 CB002 CB003 CB004 CB005 CB006 CB007 CB008 CB009 CB010 CB011 CB012 CB013 CB014 CB015 CB016 CB017 CB018 CB019 CB020 CB021 CB022 CB023 CB024 CB025 CB026

To CB-5 To CB-6 To CB-7 To CB-8 To MILL 1 To MILL 2 To MILL 3 To MILL 4 To MILL 5 To MILL 6 To MILL 7 To MILL 8 1A/B LGIC BYPASS 2A/B LGIC BYPASS 3A/B LGIC BYPASS 4A/B LGIC BYPASS 5A/B LGIC BYPASS 6A/B LGIC BYPASS 7A/B LGIC BYPASS 10A/B LGIC BYPASS 9A/B LGIC BYPASS COM TR 1A IN BKR COM TR 1A OUT BKR COM TR COUPLER CHEM TR 1A IN BKR CHEM TR 1A OUT BKR WTR TR 1A IN BKR WTR TR 1A OUT BKR LIGHT TR 1A IN BKR LIGHT TR 1A OUT BKR LIGHT TR COUPLER HVAC TR 1A BKR ADMIN TR 1A BKR MTCE TR 1A IN BKR MTCE TR 1A OUT BKR MTCE TR COUPLER UNIT BOARD 1A COM TR 1B IN BKR COM TR 1B OUT BKR CHEM TR 1B IN BKR CHEM TR 1B OUT BKR WTR TR 1B IN BKR WTR TR 1B OUT BKR LIGHT TR 1B IN BKR LIGHT TR 1B OUT BKR HVAC TR 1B BKR ADMIN TR 1B BKR

OPEN OPEN OPEN CLOSE OPEN OPEN OPEN CLOSE OPEN OPEN OPEN CLOSE NORMAL NORMAL NORMAL NORMAL NORMAL NORMAL NORMAL NORMAL BYPASS CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE 85

CB027 CB028 CB029 CB030 CB031 CB032 CB033 CB034 CB035 CB036 CB037 CB038 CB039 CB040 CB041 CB042 CB043 CB044 CB045 CB046 CB047 CB048 CB049 CB050 CB051 CB052 CB053 CB054 CB055 CB056 CB057 CB058 CB059 CB060 CB061 CB062 CB063 CB064 CB065 CB066 CB067 CB068 CB069 CB070 CB071 CB072 CB073

MTCE TR 1B IN BKR MTCE TR 1B OUT BKR UNIT BOARD 1B ID FAN A BKR FD FAN A BKR PA FAN A BKR TD-BFP A BKR CCCW A BKR BLR CIR P/P B BKR CEP A BKR CEP C BKR MILL A BKR MILL A BKR MILL A BKR CWP A BKR MD-BFP BKR ESP TR 1A IN BKR ESP TR 1A OUT BKR LV TR A IN BKR LV TR A OUT BKR ID FAN B BKR FD FAN B BKR PA FAN B BKR TD-BFP B BKR CCCW B BKR BLR CIR P/P A BKR BLR CIR P/P C BKR CEP B BKR MILL B BKR MILL D BKR MILL F BKR CWP B BKR ESP TR 1B BKR LV TR B BKR OIL PUMPS BKR OIL PUMPS BKR MILL LOP BKR FAN LOP BKR FAN LOP BKR FEEDER A,C,E BKR FEEDER B,D,F BKR SEAL FAN BKR ESP BOARD BKR TMCC IN BKR MAKE-UP P/P BKR GLAND SEAL FAN BKR MOT EX FAN BKR

CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE 86

CB074 CB075 CB076 CB077 CB078 CB079 CB080 CB081 CB082 CB083 CB084 CB085 CB086 CB087 CB088 CB089 CB090 CB091 CB092 CB093 CB094 CB095 CB096 CB097 CB098 CB099 CB100 CB101 CB102 CB103 CB104 CB105 CB106 CB107 CB108 CB109 ES002 IS003 IS004 ES001 IS001 IS002 CB116 CB117 CB118 CB119 CB120

VACC P/P BKR OCCW P/P BKR CWP AUX P/P BKR APH MTR BKR TURN GEAR BKR BFP AOP BKR TR LOP BKR SEAL OIL P/P BKR GCW P/P BKR JOP BKE SCANNER FAN BKR EH PUMP BKR RAPP MTR BKR ESP FIELD BKR ASH PUMP BKR CLINKER GRD BKR EOT CRANE BKR DIESEL GENERATOR DG BREAKER DG BUS 1 BKR DG BUS 2 BKR DG BUS 1 BKR DG BUS 1 BKR DG BUS 1 BKR DG BUS 1 BKR DG BUS 2 BKR DG BUS 2 BKR DG BUS 2 BKR DG BUS 2 BKR UAT-1 BKR ST TO UB 1A BKR ST TO UB 1B BKR UAT-2 BKR ST 1A BKR ST 1B BKR ST BKR ST EARTH SWITCH ST ISOLATOR-1 ST ISOLATOR-2 GT EARTH SWITCH GT ISOLATOR-1 GT ISOLATOR-2 EMRG TR BKR ST BOARD BKR BATTERY CHARGER CIRCUIT BREAKER CIRCUIT BREAKER

CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE OPEN OPEN CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE CLOSE OPEN OPEN CLOSE CLOSE CLOSE CLOSE OPEN CLOSE OPEN OPEN CLOSE OPEN OPEN CLOSE CLOSE CLOSE CLOSE 87

3.4 HAND CONTROLLERS TAG HC101 HC102 HC103 HC104 HC105 HC106 HC107 HC108 HC109 HC110 HC111 HC112 HC113 HC114 HC115 HC116 HC117 HC118 HC119 HC120 HC121 HC122 HC123 HC124 HC125 HC126 HC127 HC128 HC129 HC130 HC131 HC132 HC133 HC134 HC135 HC136 HC137 HC138 HC139

ENGG UNIT

DESCRIPTION AST TO HFO HTR AST TO HFO HTR AST TO HFO HTR AST TO UNIT-2 COOLER-A MCV COOLER-B MCV COOLER-A MCV COOLER-B MCV W.O LUBE OIL V L.O LUBE OIL V AA SECOND. AIR A COAL BURNER OA LDO OIL B COAL BURNER BC SECOND. AIR OB HFO OIL CB SECOND. AIR C COAL BURNER CD SECOND. AIR DC SECOND. AIR D COAL BURNER DE SECOND. AIR OC HFO OIL ED SECOND. AIR E COAL BURNER OD HFO OIL F COAL BURNER FF SECOND. AIR G OFA H OFA BURNER TILT AA SECOND. AIR A COAL BURNER OA LDO OIL B COAL BURNER BC SECOND. AIR OB HFO OIL CB SECOND. AIR C COAL BURNER

% % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % %

SCALE LOW 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

88

SCALE HIGH 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00

DESIGN VALUE 0.00 0.00 0.00 2.00 50.00 0.00 50.00 0.00 0.00 0.00 50.00 40.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 0.00 50.00 12.00 50.00 40.00 50.00 50.00 50.00 50.00 0.00 50.00

HC140 HC141 HC142 HC143 HC144 HC145 HC146 HC147 HC148 HC149 HC150 HC151 HC152 HC153 HC154 HC155 HC156 HC157 HC158 HC159 HC160 HC161 HC162 HC163 HC164 HC165 HC166 HC167 HC168 HC169 HC170 HC171 HC172 HC173 HC174 HC175 HC176 HC177 HC178 HC179 HC180 HC181

CD SECOND. AIR DC SECOND. AIR D COAL BURNER DE SECOND. AIR OC HFO OIL ED SECOND. AIR E COAL BURNER OD HFO OIL F COAL BURNER FF SECOND. AIR G OFA H OFA BURNER TILT AA SECOND. AIR A COAL BURNER OA LDO OIL B COAL BURNER BC SECOND. AIR OB HFO OIL CB SECOND. AIR C COAL BURNER CD SECOND. AIR DC SECOND. AIR D COAL BURNER DE SECOND. AIR OC HFO OIL ED SECOND. AIR E COAL BURNER OD HFO OIL F COAL BURNER FF SECOND. AIR G OFA H OFA BURNER TILT AA SECOND. AIR A COAL BURNER OA LDO OIL B COAL BURNER BC SECOND. AIR OB HFO OIL CB SECOND. AIR C COAL BURNER

% % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % %

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 89

100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00

50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 0.00 50.00 50.00 50.00 40.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 0.00 50.00 50.00 50.00 40.00 50.00 50.00 50.00 50.00 50.00 50.00

HC182 HC183 HC184 HC185 HC186 HC187 HC188 HC189 HC190 HC191 HC192 HC193 HC194 HC195 HC196 HC197 HC198 HC199 HC200 HC201 HC202 HC203 HC204 HC205 HC206 HC207 HC208 HC209 HC210 HC211 HC212 HC213 HC214 HC215 HC216 HC217 HC218 HC219 HC220 HC221 HC222 HC223

CD SECOND. AIR DC SECOND. AIR D COAL BURNER DE SECOND. AIR OC HFO OIL ED SECOND. AIR E COAL BURNER OD HFO OIL F COAL BURNER FF SECOND. AIR G OFA H OFA BURNER TILT COOLER-A DISCH COOLER-B DISCH SEAL TURB END SEAL EXCITR END COOLER-A MCV COOLER-B MCV SEAL TURB END SEAL EXCITR END H2 SUPPLY V H2 TO DRYER V/V COOLER-A V COOLER-B V CW MAKEUP WTR SPILL BACK V TANK DRAIN V COOLER-A V COOLER-B V ION EXCG V N2 PURGE V COOLER-A V COOLER-B V COOLER-A UP/S V COOLER-B UP/S V FILL UP LINE V CB SECOND. AIR IP CYLINDER TO DR. IP CYLINDER TO DR. HP GCV HP GCV

% % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % %

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 90

100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00

50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 50.00 0.00 50.00 50.00 50.00 0.00 50.00 50.00 50.00 0.00 50.00 50.00 0.00 100.00 100.00 100.00 0.00 0.00 0.00 50.00 0.00 0.00 0.00 100.00 0.00 50.00 0.00 0.00 50.00 100.00 100.00 100.00 100.00

SGV01 SGV02 SGV03 SGV04 SGV05 SGV06

GLOBE VALVE GLOBE VALVE GLOBE VALVE GLOBE VALVE GLOBE VALVE GLOBE VALVE

% % % % % %

0.00 0.00 0.00 0.00 0.00 0.00

91

100.00 100.00 100.00 100.00 100.00 100.00

0.00 0.00 0.00 0.00 0.00 0.00

4 CONTROL SYSTEMS 4.1 LOAD CONTROL (DMC02) The Load control system (Automatic) maintains the required steam flow to turbine for optimum plant efficiency at design operating conditions. The following controllers for this system: i) HP Governing controllers (GCV01, GCV02, GCV03 & GCV04) ii) IP & LP Governing controllers (GCV05, GCV06, GCV07 & GCV08) iii) Main Steam Stop Valves (HC222 & HC223)

4.2 COMBUSTION CONTROL The Combustion Control system maintains the required steam pressure for optimum plant efficiency at design operating conditions. The operator control stations for this system: ◦ ◦ ◦ ◦ ◦

Boiler Master control (DMC14) Air Master control (DMC03) Fuel Master control (DMC01) Furnace Pressure Master control (DMC04) Coal Mills Feeder Speed control 92

4.2.1 BOILER MASTER CONTROLLER (DMC14) Boiler master takes turbine inlet pressure as the set-point and give control signals to all its slave controllers that include fuel master which will regulate the fuel flow to boiler and load will be maintained according to that set point 4.2.2 FUEL MASTER CONTROLLER (DMC01)

4.2.2.1 COAL CONTROL •

Mill Feeder Speed control

The Mill Feeder Speed controllers (RC001, RC002, RC003, RC004, RC005, RC006) maintain the flow of coal to each of the pulverizes. In CASCADE mode, the input signal to each of these controllers is the output of the Fuel Master (DMC01). When any of these controllers is in MANUAL mode, the output signal is set by the operator. •

Mill Primary Air Flow control

The Mill Primary Air Flow controllers (FC008, FC009, FC010, FC011, FC012 & FC013) maintain the hot air flow from air-preheater (APH) to each of the mills. When any of these controllers is in Manual mode, the output signal is set by the operator. •

Mill Outlet Temperature control:

The Mill outlet Temperature controllers (TC027, TC028, TC029, TC030, TC031 & TC032) maintain the primary air flow from PA fans to each of the mills. When any of these 93

controllers is in Manual mode, the output signal is set by the operator.

4.2.2.2 FUEL OIL CONTROL •

LDO Flow Control

The LDO Oil header pressure controller (PC007) manipulates a valve in the recycle line from the oil pumps discharge back to the pumps suction. •

HFO Flow Control

The HDO Oil header pressure controller (PC008) manipulates a valve in the recycle line from the oil pumps discharge back to the pumps suction. •

Fuel Oil Temperature Control

A steam is provided for atmoization of fuel oil before sending it to the furnace, to reduce the viscosity and improve the flow characteristics. Steam is supplied to the heater from the Auxiliary Steam Header through an isolation valve (HS140) and a control valve. HFO Oil temperature controller (PC009) manipulates the control valve.

4.2.3 AIR MASTER CONTROLLER (DMC03) There are three modes to the Air Master controller DMC03, CASCADE, AUTO, and MANUAL. When in AUTO mode, the setpoint is established by the operator. When in CASCADE or AUTO, DMC03 relays the output signal to the controller for each of the Forced Draft fan inlet vanes. When in MANUAL the operator sets the output of the Fuel Master.

94

4.2.4 FURNACE PRESSURE MASTER CONTROLLER (DMC04) The Furnace Pressure Master controller (DMC04) maintains a constant negative pressure (-70.0KPa) in the furnace over the entire range of operating conditions. Two independent controllers determine the flow rate of exhaust gases: the Induced Draft Fan Speed controller (PC021) and the Induced Draft Fan Inlet Vane controller (PC022). As boiler load demand increases, the Combustion Control system increases the demand for air. Air flow to the boiler increases, raising the furnace pressure. The induced draft fan speeds will increase as the steam flow increases . The furnace pressure is adjusted to match the set point by changing the induced draft fan inlet vane positions. This control scheme will maintain the pressure design point over the full range of operating conditions.

95

FD Fan vane control When in CASCADE mode, the forced draft fan inlet vane controllers (FC006, FC007) relay the output from the Air Master (DMC03) to the FD fan inlet vanes. When either controller is in MANUAL mode, the output signal is set by the operator. ID Fan Speed control When in CASCADE mode, the induced draft fan outlet speed controllers (PC021, PC022) relay the output from the Furnace Pressure master controller (DMC04) to the ID fan outlet speed. When either controller is in MANUAL mode, the output signal is set by the operator. ID Fan vane control In light-up condition, the induced draft fan vane controllers (PC019, PC020) controls the furnace pressure by controlling ID fan outlet speed. When either controller is in MANUAL mode, the output signal is set by the operator.

4.3 STEAM TEMPERATURE CONTROL The steam temperature control system maintains the superheat and reheat steam temperatures at or near the design point over the full steam load range of the boiler. It does this through the use of superheat and reheat spray attemperators, and burner nozzle tilt control.

96

During low loads, reheat and superheat temperatures tend to drop. The control system’s response to low reheat steam temperature is to raise burner tilt. This results in less heat being absorbed in the waterwalls and more heat absorbed in the superheat and reheat coils. Steam outlet temperatures are thus increased. Superheater Temperature Control The Superheater Temperature controllers (TC005, TC006, TC003 & TC004) maintain the main steam superheater temperature using attemperation from feed water header. When any of these controllers is in MANUAL mode, the output signal is set by the operator. Reheat Temperature Control The Reheat Temperature controllers (TC001 & TC002) maintain the reheater temperature using attemperation from feed water header. When any of these controllers is in MANUAL mode, the output signal is set by the operator.

4.4 HP TURBINE BY-PASS CONTROL The HP turbine bypass control system consists of a steam bypass pressure reduction station for the high pressure turbine (PC014). An attemperation controller (TC033) regulates the temperature of the steam leaving the pressure reduction station by adjusting the flow rate of feed water spray into the steam bypass line. Normally, the pressure controller is in AUTO mode with the set point set somewhere between typical operating pressure and relief/safety valve set point. In situations where the main steam line becomes highly pressurized, steam can be directed to the condenser rather than to the atmosphere, so that the purified water is not wasted. The attemperation sprays prevent overheating of the bypass line and over-pressurizing of the condenser.

97

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

4.5 LP TURBINE BY-PASS CONTROL The LP turbine bypass control system consists of a steam bypass pressure reduction stations for the low pressure turbine (PC023, PC024). An attemperation controller (TC034, TC035) regulates the temperature of the steam leaving the pressure reduction station by adjusting the flow rate of feed water spray into the steam bypass line. LP Turbine By-Pass Control (PC024)

98

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

LP Turbine By-Pass Control (PC023)

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

4.6 CONDENSATE FLOW AND DEAERATOR LEVEL CONTROL The Condensate Recirculation flow controller (FC001) maintain the hotwell level and pump suction flow. When any of these controllers is in MANUAL mode, the output signal is set by the operator.

99

The Deaerator level controller (LC001) maintain the deaerator level(300-1200 mm). When any of these controllers is in MANUAL mode, the output signal is set by the operator.

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

Feed water Pumps Recirculation Controllers The Feed water Pumps minimum recirculation flow controller (FC002, FC003 & FC004) maintain the pump suction flow and also level of steam drum. When any of these 100

controllers is in MANUAL mode, the output signal is set by the operator. FW Pump A Recirculation Flow Control (FC004)

FW Pump A Recirculation Flow Control (FC003)

101

FW Pump A Recirculation Flow Control (FC002)

Steam Drum Level Control (LC015) The Steam Drum Level controller (LC015) maintain the drum level for continuous production of steam in boiler. When any of these controllers is in MANUAL mode, the output signal is set by the operator.

102

Feed water Pump Speed Control The Feed water Pumps speed controllers (RC007, RC008 & LC017) maintain the level of steam drum. When any of these controllers is in MANUAL mode, the output signal is set by the operator. LP Heater Level Control Feed water heater level controllers (LC007, LC006, LC003, LC002, LC005 & LC004) maintain the six low pressure heater levels at design set point. The outputs of these controllers cause the normal and alternate heater drain valves to open and close as the heater levels rise and fall. The alternate drain valves begin to open when the controller output exceeds 85%.

103

LP Heater Level Control (LC002)

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

LP Heater Level Control (LC003)

104

LP Heater Level Control (LC004)

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

LP Heater Level Control (LC005)

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

105

LP Heater Level Control (LC006)

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

LP Heater Level Control (LC007)

106

HP Heater Level Control Feed water heater level controllers (LC008, LC009 & LC010) maintain the three high pressure heater levels at design set point. The outputs of these controllers cause the normal and alternate heater drain valves to open and close as the heater levels rise and fall. The alternate drain valves begin to open when the controller output exceeds 85%. HP Heater Level Control (LC008)

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

HP Heater Level Control: (LC009)

107

HP Heater Level Control (LC010)

A(Left side) T A (Right side)

- Set point - Auto/Manual Transfer Switch - Manual output

Turbine Exhaust Hood Temperature Control The HP turbine exhaust hood temperature controllers (TC013, TC014, TC015 & TC016) output causes the exhaust hood spray valve to open, admitting condensate spray onto the exhaust hood. This keeps the exhaust hood from overheating. Turbine Gland Steam Pressure Control This controller (PC005) regulates the pressure of the gland steam header. The pressure is maintained at a set point that is higher than the atmospheric, in order to prevent air from entering the turbine. Generator Hydrogen Temperature Control These controllers (TC25, TC26) maintains the temperature of the hydrogen which cools the generator. The controller output regulates the flow of water through the hydrogen cooler. Generator stator Cooling Temperature Control This controller (TC24) maintains the temperature of the stator which cools the generator. The controller output regulates the flow of water through the Generator stator cooler.

108

5 LOGICS The program provides trip and permissive logic to prevent damage to the boiler, turbines, generator, pumps, and fans in the plant. The function of the trips is to shut down specific plant equipment, sequentially and automatically, in the event of certain malfunctions or adverse operating conditions. The permissive prevent equipment from being energized in an improper sequence, particularly during plant start-up. The operation of these trips and permissive is discussed in the following paragraphs.

5.1 BOILER PURGE The boiler is purged before startup to remove any explosive substances which may have accumulated in the furnace. The following conditions are required to start the purge: NO MFT and

Both PA Fan Stopped.

and

Any one APH Running

and

Any one ID Fan Running

and

Any one FD Fan Running

and

Pressure within range(1700pa >Pr> -1700pa )

and

Air flow above 30%

and

No Flame in Boiler

and

All Igniter valve closed

and

All Fuel oil Valve closed

and

All Feeder off

and

All Pulverizer off

and

Drum level within range(300mm , -350mm)

and

Flame Scanner Fan Running

Once all the purge permissive have been satisfied, the READY FOR PURGE light will be “on”. After setting the PURGE START switch (HS751) to the “on” position, the 5minute boiler purge begins, indicated by the PURGE IN PROGRESS light. If any of the purge permissive is lost during the five minutes, the purge is stopped, and the READY FOR PURGE light is “off”. A successful purge will be indicated by the PURGE COMPLETE light. After completion of the purge, the PURGE START switch (HS751) should be set to the “off” position.

109

The boiler should now be reset by setting the BOILER RESET switch (HS755) to the “RESET” position.

5.2 BOILER TRIP The boiler will trip due to the following conditions: MFT or

Both FD Fans Trip

or

Both ID Fans Trip

or

Both APH Trip

or

All FWP Trip

or

All BCW Trip

or

RH Protection lost

or

Furnace Pressure HH (Pr>1700pa)

or

Furnace Pressure LL(Pr< -1700pa)

or

All Fuel lost for 3 Sec

or

No Flame detected

or

Flame cooling air lost for 30 sec

or

Air flow <25% and load >30%

or

Drum level HH(300mm)

or

Drum level LL(-300mm)

or

No Ignition after purge for 30 mins

or

Turbine trip and load >200 MW

or

Both PA Fans trip and All Mill running

5.3 TURBINE TRIP The turbine will trip due to the following conditions: Turbine speed >3300 or 3360 or

Housing vibration (>250 micron)

or

Bearing vibration (>250 micron)

or

Bearing temperature (>115 Deg C)

or

Thrust Bearing temperature (>115 Deg C)

or

Rotor position (1.6mm , -1.2mm)

or

EH oil pressure (7.8Mpa) 110

or

Lube oil pressure (0.06Mpa)

or

Condenser vacuum (-75Kpa)

or

Differential expansion LP (30mm , -8mm)

or

Differential expansion HP (11.6mm , -6.6mm)

5.4 GENERATOR TRIP The generator will trip due to the following conditions: Generator circuit breaker fails open or

Exciter breaker fails open

or

Field breaker fails open

or

Turbine trip

or

Stator cooling water pressure low

or

Stator cooling water temperature high

or

H2 rotor cooling pressure low

or

Generator seal oil pressure low

or

Generator seal oil temperature high

or

Over voltage protection

or

Over fluxing protection

or

Low forward power and reverse power protection

or

Stator over current protection

or

Rotor over current protection

or

Generator loss of excitation

or

Generator negative phase sequence protection

or

Under frequency protection

or

UAT breaker failure protection

or

Generator differential protection

or

Generator and GT overall differential

or

GT and UAT differential

or

Generator rotor earth fault

or

Generator stator earth fault

or

GT restricted earth fault

or

Fire protection in GT and UAT

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5.5 CONDENSATE PUMPS Condensate Pump Motor Start Logic (PS34): Electrical Bus energized and

Condenser hot-well level above 1000 mm (LI008, LI009)

and

Condensate pump suction valve open (HS109)

and

Condensate pump discharge valve closed (HS110)

and

Condensate pump motor breaker closed (PS34)

Condensate Pump Motor Stop Logic (PS34): Electrical Bus de-energized or

Condenser hot-well level below 200 mm (LI008, LI009)

or

Condensate pump suction valve closed (HS109)

Condensate Pump Motor Start Logic (PS35): Electrical Bus energized and

Condenser hot-well level above 1000 mm (LI008, LI009)

and

Condensate pump suction valve open (HS111)

and

Condensate pump discharge valve closed (HS112)

and

Condensate pump motor breaker closed (PS35)

Condensate Pump Motor Stop Logic (PS35): Electrical Bus de-energized or

Condenser hot-well level below 200 mm (LI008, LI009)

or

Condensate pump suction valve closed (HS111)

Condensate Pump Motor Start Logic (PS36): Electrical Bus energized and

Condenser hot-well level above 1000 mm (LI008, LI009)

and

Condensate pump suction valve open (HS113)

and

Condensate pump discharge valve closed (HS114)

and

Condensate pump motor breaker closed (PS36)

Condensate Pump Motor Stop Logic (PS36): 112

Electrical Bus de-energized or

Condenser hot-well level below 200 mm (LI008, LI009)

or

Condensate pump suction valve closed (HS113)

5.6 FEEDWATER PUMPS Feed water (MDBFP-C) Pump Motor Start Logic (PS41): Electrical Bus energized and

Deaerator level above 300 mm (LI035, LI036)

and

MDBFP-C pump suction valve open (HS224)

and

MDBFP-C pump motor breaker closed (PS41)

and

MDBFP-C recirculation valve open position above 90% (FC002)

and

MDBFP-C pump discharge valve closed.(HS225)

and

AOP breaker close (PS48)

and

Lube oil Pressure above 0.1MPa.

Feed water (MDBFP-C) Pump Motor Stop Logic (PS41): Electrical Bus de-energized or

Deaerator level below 300 mm (LI035, LI036)

or

MDBFP-C pump suction valve closed (HS224)

or

MDBFP-C recirculation valve open position below 90% (FC002)

or

Lube oil pressure below 0.06 Mpa

or

MDBFP-C Motor winding temp above 130 Deg C.

or

MDBFP-C Motor bearing temp above 90 Deg C.

Feed water (TDBFP-A) Pump Motor Start Logic (PS39): Electrical Bus energized and

Deaerator level above 300 mm (LI035, LI036)

and

TDBFP-A pump suction valve open (HS218)

and

TDBFP-A pump motor breaker closed (PS39)

and

TDBFP-A Lube oil pump running condition. (PS43 or PS42)

Feed water (TDBFP-A) Pump Motor Stop Logic (PS39): Electrical Bus de-energized 113

or

Deaerator level below 300 mm (LI035, LI036)

or

TDBFP-A pump suction valve closed (HS218)

or

TDBFP-A Lube oil pressure below 0.1 Mpa

or

TDBFP-A pump motor winding temp above 130 Deg C.

or

TDBFP-A pump motor bearing temp above 90 Deg C.

or

TDBFP-A both lube oil pumps are stopped (PS43, PS42)

Feed water (TDBFP-B) Pump Motor Start Logic (PS40): Electrical Bus energized and

Deaerator level above 300 mm (LI035, LI036)

and

TDBFP-B pump suction valve open (HS221)

and

TDBFP-B pump motor breaker closed (PS40)

and

TDBFP-B Lube oil pump running condition. (PS45 or PS46)

Feed water (TDBFP-B) Pump Motor Stop Logic (PS40): Electrical Bus de-energized or

Deaerator level below 300 mm (LI035, LI036)

or

TDBFP-B pump suction valve closed (HS221)

or

TDBFP-B Lube oil pressure below 0.1 Mpa

or

TDBFP-B pump motor winding temp above 130 Deg C.

or

TDBFP-B pump motor bearing temp above 90 Deg C.

or

TDBFP-B both lube oil pumps are stopped (PS45, PS46 & PS47)

5.7 INDUCED DRAFT FANS ID Fan-A motor start Logic (PS64 ): Electrical Bus energized and

APH motor start (HS360 or HS361)

and

ID Fan-A pump discharge damper open (HS350 & HS351)

and

ID Fan-A pump suction damper closed (HS348 & HS349)

and

ID Fan-A lube oil pump running condition. (PS83 or PS84)

and

ID FAN-A motor winding temperature below 75 Deg C.

and

ID FAN-A motor bearing temperature below 120 Deg C.

114

ID Fan-A motor stop Logic (PS64 ): Electrical Bus de-energized or

APH motor stop (HS360 & HS361)

or

ID Fan-A pump discharge damper closed (HS350 & HS351)

or

ID Fan-A lube oil pump breaker closed. (PS83 or PS84)

or

ID FAN-A motor winding temperature above 90 Deg C.

or

ID FAN-A motor bearing temperature above 130 Deg C.

ID Fan-B motor start Logic (PS65 ): Electrical Bus energized and

APH motor start (HS363 or HS364)

and

ID Fan-B pump discharge damper open (HS358 & HS359)

and

ID Fan-A pump suction damper closed (HS356 & HS357)

and

ID Fan-B lube oil pump running condition. (PS85 or PS86)

and

ID FAN-B motor winding temperature below 75 Deg C.

and

ID FAN-B motor bearing temperature below 120 Deg C.

ID Fan-B motor stop Logic (PS645): Electrical Bus de-energized or

APH motor stop (HS363 & HS364)

or

ID Fan-B pump discharge damper closed (HS358 & HS359)

or

ID Fan-B lube oil pump breaker closed. (PS85 or PS86)

or

ID FAN-B motor winding temperature above 90 Deg C.

or

ID FAN-B motor bearing temperature above 130 Deg C.

5.8 FORCED DRAFT FANS FD Fan-A motor start Logic (PS62): Electrical Bus energized and

APH motor start (HS360 or HS361)

and

FD Fan-A pump motor breaker closed (PS62)

and

FD Fan-A pump discharge damper closed (HS333 & HS367)

and

FD Fan-A lube oil pump running condition. (PS72 or PS73) 115

and

FD FAN-A motor winding temperature below 75 Deg C.

and

FD FAN-A motor bearing temperature below 120 Deg C.

and

ID FAN-A motor breaker open. (PS64)

FD Fan-A motor stop Logic (PS62): Electrical Bus de-energized or

APH motors are stopped (HS360 & HS361)

or

FD Fan-A both lube oil pump breaker closed. (PS72 and PS73)

or

FD FAN-A motor winding temperature above 90 Deg C.

or

FD FAN-A motor bearing temperature above 130 Deg C.

or

ID FAN-A motor breaker closed. (PS64)

FD Fan-B motor start Logic (PS63): Electrical Bus energized and

APH motor start (HS363 or HS364)

and

FD Fan-B pump motor breaker closed (PS63)

and

FD Fan-B pump discharge damper closed (HS339 & HS753)

and

FD Fan-B lube oil pump breaker open. (PS75 or PS76)

and

FD FAN-B motor winding temperature below 75 Deg C.

and

FD FAN-B motor bearing temperature below 120 Deg C.

and

ID FAN-B motor breaker open. (PS65)

FD Fan-B motor stop Logic (PS63): Electrical Bus de-energized or

APH motors are stopped (HS363 & HS364)

or

FD Fan-B both lube oil pump breaker closed. (PS75 and PS76)

or

FD FAN-B motor winding temperature above 90 Deg C.

or

FD FAN-B motor bearing temperature above 130 Deg C.

or

ID FAN-B motor breaker closed. (PS65)

5.9 PRIMARY AIR FANS PA Fan-A motor start Logic (PS60): Electrical Bus energized 116

and

APH motor start (HS360 or HS361)

and

PA Fan-A pump motor breaker closed (PS60)

and

PA Fan-A discharge damper closed (HS327)

and

PA Fan-A lube oil pump breaker open. (PS78 or PS79)

and

PA FAN-A motor winding temperature below 75 Deg C.

and

PA FAN-A motor bearing temperature below 120 Deg C.

and

ID FAN-A motor breaker open. (PS64)

and

FD FAN-A motor breaker open. (PS62)

PA Fan-A motor stop Logic (PS60): Electrical Bus de-energized or

APH motors are stopped (HS360 & HS361)

or

PA Fan-A both lube oil pump breaker closed. (PS78 and PS79)

or

PA FAN-A motor winding temperature above 90 Deg C.

or

PA FAN-A motor bearing temperature above 130 Deg C.

or

ID FAN-A motor breaker close. (PS64)

or

FD FAN-A motor breaker close. (PS62)

PA Fan-B motor start Logic (PS61): Electrical Bus energized and

APH motor start (HS363 or HS364)

and

PA Fan-B pump motor breaker closed (PS61)

and

PA Fan-B discharge damper close (HS330)

and

PA Fan-B lube oil pump breaker open. (PS81 or PS82)

and

PA FAN-B motor winding temperature below 75 Deg C.

and

PA FAN-B motor bearing temperature below 120 Deg C.

and

ID FAN-A motor breaker open. (PS65)

and

FD FAN-A motor breaker open. (PS63)

PA Fan-B motor stop Logic (PS61): Electrical Bus de-energized or

APH motors are stopped (HS363 & HS364)

or

PA Fan-B both lube oil pump breaker closed. (PS81 and PS82) 117

or

PA FAN-B motor winding temperature above 90 Deg C.

or

PA FAN-B motor bearing temperature above 130 Deg C.

or

ID FAN-B motor breaker close. (PS65)

or

FD FAN-B motor breaker close. (PS63)

5.10 MILLS Mill-A motor start Logic (HS466): Electrical Bus energized and

Mill-A motor winding temperature below 75 Deg C.

and

Mill-A motor bearing temperature below 120 Deg C.

and

Mill-A lube oil pump start (PS87 or PS88)

and

PA FAN-A or B start. (PS60 or PS61)

and

Seal Air Fan-A or B satrt. (PS58 or PS59)

and

Mill-A CAD and HAD damper open (HS462 & HS463).

and

Seal air fan damper (HS321) and MOV (HS465) open.

and

Mill-A Feeder Inlet & Discharge damper open.(HS473 & HS475)

and

Mill-A feeder SA damper (HS474) open.

and

Mill-A exit dampers (HS467, HS468, HS469 & HS470) are opened.

Mill-A motor stop Logic (HS466): Electrical Bus de-energized or

Mill-A motor winding temperature above 90 Deg C.

or

Mill-A motor bearing temperature above 130 Deg C.

or

Mill-A lube oil pumps are stopped (PS87 & PS88)

or

PA FAN-A and B are stopped. (PS60 & PS61)

or

Seal Air Fan-A and B are stopped. (PS58 or PS59)

or

Mill-A HAD damper closed (HS463).

or

Mill-A exit dampers (HS467, HS468, HS469 & HS470) are closed.

or

Mill-A Feeder breaker closed.(HS472)

or

Mill-A Feeder Inlet & Discharge damper closed. (HS473 & HS475)

Mill-B motor start Logic (HS480): Electrical Bus energized 118

and

Mill-B motor winding temperature below 75 Deg C.

and

Mill-B motor bearing temperature below 120 Deg C.

and

Mill-B lube oil pump start (PS89 or PS90)

and

PA FAN-A or B start. (PS60 or PS61)

and

Seal Air Fan-A or B satrt. (PS58 or PS59)

and

Mill-B CAD and HAD damper open (HS476 & HS477).

and

Seal air fan damper (HS322) and MOV (HS479) open.

and

Mill-B Feeder Inlet & Discharge damper open.(HS487 & HS489)

and

Mill-B feeder SA damper (HS488) open.

and

Mill-B exit dampers (HS481, HS482, HS483 & HS484) open.

Mill-B motor stop Logic (HS480): Electrical Bus de-energized or

Mill-B motor winding temperature above 90 Deg C.

or

Mill-B motor bearing temperature above 130 Deg C.

or

Mill-B lube oil pumps are stopped (PS89 & PS90)

or

PA FAN-A and B are stopped. (PS60 & PS61)

or

Seal Air Fan-A and B are stopped. (PS58 or PS59)

or

Mill-B HAD damper closed (HS477).

or

Mill-B exit dampers (HS481, HS482, HS483 & HS484) are closed.

or

Mill-B Feeder breaker closed.(HS486)

or

Mill-B Feeder Inlet & Discharge damper closed. (HS487 & HS489)

Mill-C motor start Logic (HS494): Electrical Bus energized and

Mill-C motor winding temperature below 75 Deg C.

and

Mill-C motor bearing temperature below 120 Deg C.

and

Mill-C lube oil pump start (PS91 or PS92)

and

PA FAN-A or B start. (PS60 or PS61)

and

Seal Air Fan-A or B satrt. (PS58 or PS59)

and

Mill-C CAD and HAD damper open (HS490 & HS491).

and

Seal air fan damper (HS323) and MOV (HS493) open.

and

Mill-C Feeder Inlet & Discharge damper open.(HS501 & HS503) 119

and

Mill-C feeder SA damper (HS502) open.

and

Mill-C exit dampers (HS495, HS496, HS497 & HS498) open.

Mill-C motor stop Logic (HS494): Electrical Bus de-energized or

Mill-C motor winding temperature above 90 Deg C.

or

Mill-C motor bearing temperature above 130 Deg C.

or

Mill-C lube oil pumps are stopped (PS91 & PS92)

or

PA FAN-A and B are stopped. (PS60 & PS61)

or

Seal Air Fan-A and B are stopped. (PS58 or PS59)

or

Mill-C HAD damper closed (HS491).

or

Mill-C exit dampers (HS495, HS496, HS497 & HS498) are closed.

or

Mill-C Feeder breaker closed.(HS500)

or

Mill-C Feeder Inlet & Discharge damper closed. (HS501 & HS503)

Mill-D motor start Logic (HS508): Electrical Bus energized and

Mill-D motor winding temperature below 75 Deg C.

and

Mill-D motor bearing temperature below 120 Deg C.

and

Mill-D lube oil pump start (PS93 or PS94)

and

PA FAN-A or B start. (PS60 or PS61)

and

Seal Air Fan-A or B satrt. (PS58 or PS59)

and

Mill-D CAD and HAD damper open (HS504 & HS505).

and

Seal air fan damper (HS324) and MOV (HS507) open.

and

Mill-D Feeder Inlet & Discharge damper open.(HS515 & HS517)

and

Mill-D feeder SA damper (HS516) open.

and

Mill-D exit dampers (HS509, HS510, HS511 & HS512) open.

Mill-D motor stop Logic (HS508): Electrical Bus de-energized or

Mill-D motor winding temperature above 90 Deg C.

or

Mill-D motor bearing temperature above 130 Deg C.

or

Mill-D lube oil pumps are stopped (PS93 & PS94) 120

or

PA FAN-A and B are stopped. (PS60 & PS61)

or

Seal Air Fan-A and B are stopped. (PS58 or PS59)

or

Mill-D HAD damper closed (HS505).

or

Mill-D exit dampers (HS509, HS510, HS511 & HS512) are closed.

or

Mill-D Feeder breaker closed.(HS514)

or

Mill-D Feeder Inlet & Discharge damper closed. (HS515 & HS517)

Mill-E motor start Logic (HS522): Electrical Bus energized and

Mill-E motor winding temperature below 75 Deg C.

and

Mill-E motor bearing temperature below 120 Deg C.

and

Mill-E lube oil pump start (PS95 or PS96)

and

PA FAN-A or B start. (PS60 or PS61)

and

Seal Air Fan-A or B satrt. (PS58 or PS59)

and

Mill-E CAD and HAD damper open (HS518 & HS519).

and

Seal air fan damper (HS325) and MOV (HS521) open.

and

Mill-E Feeder Inlet & Discharge damper open.(HS529 & HS531)

and

Mill-E feeder SA damper (HS530) open.

and

Mill-E exit dampers (HS523, HS524, HS525 & HS526) open.

Mill-E motor stop Logic (HS522): Electrical Bus de-energized or

Mill-E motor winding temperature above 90 Deg C.

or

Mill-E motor bearing temperature above 130 Deg C.

or

Mill-E lube oil pumps are stopped (PS95 & PS96)

or

PA FAN-A and B are stopped. (PS60 & PS61)

or

Seal Air Fan-A and B are stopped. (PS58 or PS59)

or

Mill-E HAD damper closed (HS519).

or

Mill-D exit dampers (HS523, HS524, HS525 & HS526) are closed.

or

Mill-D Feeder breaker closed.(HS528)

or

Mill-D Feeder Inlet & Discharge damper closed. (HS529 & HS531)

Mill-F motor start Logic (HS536): 121

Electrical Bus energized and

Mill-F motor winding temperature below 75 Deg C.

and

Mill-F motor bearing temperature below 120 Deg C.

and

Mill-F lube oil pump start (PS97 or PS98)

and

PA FAN-A or B start. (PS60 or PS61)

and

Seal Air Fan-A or B start. (PS58 or PS59)

and

Mill-F CAD and HAD damper open (HS532 & HS533).

and

Seal air fan damper (HS326) and MOV (HS535) open.

and

Mill-F Feeder Inlet & Discharge damper open.(HS543 & HS545)

and

Mill-F feeder SA damper (HS544) open.

and

Mill-F exit dampers (HS537, HS538, HS539 & HS540) open.

Mill-F motor stop Logic (HS536): Electrical Bus de-energized or

Mill-F motor winding temperature above 90 Deg C.

or

Mill-F motor bearing temperature above 130 Deg C.

or

Mill-F lube oil pumps are stopped (PS97 & PS98)

or

PA FAN-A and B are stopped. (PS60 & PS61)

or

Seal Air Fan-A and B are stopped. (PS58 or PS59)

or

Mill-F HAD damper closed (HS533).

or

Mill-F exit dampers (HS537, HS538, HS539 & HS540) are closed.

or

Mill-F Feeder breaker closed.(HS542)

or

Mill-F Feeder Inlet & Discharge damper closed. (HS543 & HS545)

5.11 COOLING WATER SYSTEM Cooling Water Pump (PS05) motor start Logic: Electrical Bus energized and

CWP MTR cooling pump motor start (PS01 or PS02).

and

CWP Sealing water pump motor start (PS03 or PS04).

and

Condenser cw inlet & outlet valve open (HS003, HS004, HS005 & HS006)

Cooling Water Pump (PS05) motor stop Logic:\ Electrical Bus de-energized 122

or

CWP MTR cooling pump motor stop (PS01 and PS02).

or

CWP Sealing water pump motor stop (PS03 and PS04).

or

CWP -A (PS05) motor winding temperature above 110 Deg C.

or

CWP -A (PS05) motor bearing temperature above 90 Deg C.

Cooling Water Pump (PS06) motor start Logic: Electrical Bus energized and

CWP MTR cooling pump motor start (PS01 or PS02).

and

CWP Sealing water pump motor start (PS03 or PS04).

and

Condenser cw inlet & outlet valve open (HS003, HS004, HS005 & HS006)

Cooling Water Pump (PS06) motor stop Logic: Electrical Bus de-energized or

CWP MTR cooling pump motor stop (PS01 and PS02).

or

CWP Sealing water pump motor stop (PS03 and PS04).

or

CWP -A (PS06) motor winding temperature above 110 Deg C.

or

CWP -A (PS06) motor bearing temperature above 90 Deg C

123

6 PLANT DESIGN DATA 6.1 BOILER DATA S.No

PARAMETERS

UNITS

MCR

1

Superheated steam flow

T/hr

1880

2

Superheated steam outlet pressure

Mpa

16.80

3

Superheated steam outlet temperature

Deg C

541

4

Superheated steam pressure decrease

Mpa

1.5

5

Reheated steam pressure decrease

Mpa

0.2

6

Reheated steam flow

T/hr

1550

7

Reheated steam inlet pressure

Mpa

3.50

8

Reheated steam inlet temperature

Deg C

330

9

Reheated steam outlet pressure

Mpa

3.30

10

Reheated steam outlet temperature

Deg C

541

11

Feedwater temperature

Deg C

280

12

APH inlet Primary air temperature

Deg C

36

13

APH inlet secondary air temperature

Deg C

36

14

APH inlet gas temp

Deg C

360

15

APH outlet Primary air temperature

Deg C

325

16

APH outlet secondary air temperature

Deg C

335

17

APH outlet gas temp

Deg C

130

18

Pulverizer inlet air temperature

Deg C

247

19

Economizer inlet excess air

%

20

20

Fuel consumption

T/hr

230

21

Total Air flow

T/hr

2135

6.2 TURBINE DATA SNo DESCRIPTION 1. Unit model 2.

Unit type

3.

Unit nameplate power /maximum continue output Rated rotating speed

4.

PARAMETERS N600—16.7/538/538 Sub-critical, primary reheating, single shaft, three cylinders, four-flow condensing steam turbine 600MW 3000 r/min 124

5. 6.

Rotating direction Design cooling water temperature of the condenser Through-flow stages

7.

8.

Steam matching way

9. 10.

Rated initial steam pressure Rated initial steam temperature Rated exhaust pressure of HP cylinder Rated reheat steam inlet pressure Rated reheat steam inlet temperature Rated steam inlet flow of the initial steam Max steam inlet flow of the initial steam Rated steam inlet flow of the reheat steam Rated exhaust pressure Height of the end blade Design cooling water temperature Regenerative stages of feedwater Rated feed-water temperature Steam turbine performance guarantee Load limit condition when HP heater stop running Load limit condition (reference value) when LP heater stop running

11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24.

25. 26. 27.

Condition of auxiliary steam Height of the operation layer Max lifting height

28.

Bypass system capacity

Anti-clock Wise 35.6 ºC Total 42stages HP cylinder: 1 governing stage +8 pressures stages MP cylinder: 5 pressure stages LP cylinder: 2x2x7pressure stages (2 LP cylinder) Composite governing (nozzle governing + expenditure governing) 16.82MPa 538 ºC 3.52 MPa 3.32 MPa 538ºC 1880.75t/h 2028.0 t/h 1550.37t/h 10.2 kPa ( 9.1 kPa /11.4 kPa ) 851 mm 35.6°C 3 stages HP heater+1deaerator+4stages LP heater 278.6 ºC < under max condition282.2 °C) Guarantee power: (TMCR) 600MW VWO condition inlet steam flow 2028t/h shutdown 600 MW; 1,2,3shutdown600MW; 5&6shutdown540 MW; 6&7shutdown540MW ; 7&8shutdown 540MW; 5,6&8shutdown 480MW; 6,7&8shutdown480MW; 5,6,7&8shutdown420MW 600MW 13.7m 8.846m 8.926m 60%BMCR

125

29. 30.

31.

32. 33.

34. 35. 36.

37. 38. 39. 40.

Start-up and operating mode Range of variable pressure operating Change rate of the variable and stable pressure

Normal value of the shaft vibration Permitted value of the critical rotating speed of shaft vibration Bearing vibration max value when at critical speed Max permitted back-pressure value The release blasting pressure of the LP cylinder exhaust diaphragm valve Max permitted exhaust temperature of the LP cylinder Permitted cycle change range of continuous operating Turning gear speed Dimensions of the turbine unit's figuration

Stable-sliding-stable operating mode 40%-90% class load changes±10% rated output/min equal load changes below 50%±3% rated output/min over 50%±5% rated output/min below 30%±2%/min Permitted change range of load between 60% and 100% is 20%/min 0.076mm 0.15mm

0.08mm 18.6kPa(a) 34.3kPa(g)

<121ºC 47.5~51.5Hz 3r/min 27.82 m x 10.68m x 6.29m

6.3 GENERATOR DATA S.No 1 2 3 4 5 6 7 8 9 10 11 12 13

PARAMETER

UNIT

Active power (VWO) Active power (MCR) Power Rating Voltage Rated Stator Current Field Current Field Voltage Power Factor Frequency Speed Stator winding connection type Phase Short Circuit Ratio

MVA MVA MW KV A A V Hz RPM

126

DESIGN VALVE 758.47 705.88 600 20 20377 4557 465.6 0.85 50 3000 YY 3 0.48

14 15

Efficiency Stator and rotor Winding

%

98.85 Class 155 (F)

6.4 PUMPS and FANS DATA SNo

Design Flow

Description

Units

Design Head

Units

QTY

Speed

1

Condensate Pumps

881

T/hr

3.16

MPa

3

1489

2

Makeup water pumps

100

M3/Hr

65

M

2

2960

3

Feed Water Pumps

1167

T/hr

22.45

MPa

3

5254

4

FD Fan

1026827

M3/Hr

101300

Pa

2

990

5

ID Fan

2190600

M3/Hr

5136

Pa

2

590

6

PA Fan

480589

M3/Hr

14336

Pa

2

1480

7

Gland Steam Exhaust Fan

2400

M3/Hr

9200

Pa

2

2900

8

OCCW Pump

2120

T/hr

1

MPa

2

585

9

CCCW Pump

1580

T/hr

0.5

MPa

2

1483

10

VACUUM Pump

86

Kg/hr

9.6

KPa

3

590

11

Jacking oil Pump

3.7

M3/Hr

5-15

MPa

2

600 - 2700

12

Gen. Stator Cooling pump

115

T/hr

0.75

MPa

2

13

Lube Oil Pump-AOP

4900

Litres/min 0.283

MPa

2

1450

14

EH oil pump

6

M3/Hr

14

MPa

2

1480

15

Seal Air Fan

42221

M3/Hr

6382

Pa

2

1450

16

ID Fan Lube Oil Pump

47

Litres/min 50

Bar

2

1450

17

FD Fan Lube Oil Pump

47

Litres/min 50

Bar

2

1450

18

PA Fan Lube Oil Pump

47

Litres/min 50

Bar

2

1450

19

Mills Lube oil Pump

250

Litres/min

2

1445

20

Scanner Fan

1500

M3/Hr

21

Lube Oil Pump-EOP (DC)

4900

22

Lube Oil Pump-MOP

23

BW Circulation Pump

Pa

2

Litres/min 0.283

MPa

1

7600

Litres/min 2.06

MPa

1

4665

M3/Hr

MPa

3

127

9480

22

1500

1477

7 600MW START-UP PROCEDURE 1. 2. 3. 4. 5. 6. 7. 8. 9.

Ensure that all maintenance of unit is complete & work permits are cancelled Ensure that instrument air compressors are working & inst air pressure is OK Ensure healthiness of DCS & DEH systems Open all the drain and vent valves in boiler & Turbine area Ensure that all safety valves are in normal position Open GT and ST Earth switch (ES001 & ES002) [Gr Pg – 51 & 79] Close GT and ST Isolator 1 to Grid (IS001 & IS003) [Gr Pg – 51 & 79] Close the station transformer breaker (CB109 & HS844) [Gr Pg - 79] Close 11KV ST Board 1A, 1B and 11KV Unit Board 1A, 1B incomer circuit breakers (CB107, CB108, CB104 & CB105) [Gr Pg - 79] 10. Close circuit breaker in ST Board 1A for common transformer (CB001, CB002 & CB003), similarly close breakers for all the equipment’s in 11KV ST Board 1A & 1B [Gr Pg – 80 & 81] 11. Close circuit breaker of LV Transformer in 11KV Unit Board 1A and 1B (CB045, CB046 & CB060) [Gr Pg – 82 & 83] 12. Close circuit breaker of ESP Board in 11KV Unit Board 1A and 1B (CB043, CB044 & CB059) [Gr Pg – 82 & 83] 13. Close all the circuit breakers in 415V BMCC and TMCC (CB069 & CB070) [Gr Pg – 84 & 85] 14. Close ST board to Emergency MCC circuit breaker (CB117) and close all the circuit breakers for equipment’s connected in Emergency MCC board [Gr Pg – 86] 15. Close ESP board incomer breaker CB119 and Rapping motor breaker CB086 [Gr Pg – 87] 16. Close AHP board incomer breaker CB120 and all equipment’s breaker connected to it [Gr Pg – 87]

7.1 WATER TREATMENT PLANT 1. Ensure Make-up Water Pumps circuit breaker (CB071) is closed [Gr Pg – 85] 2. Open Feed water pump A suction and discharge valves (FD01 and FD03) [Gr Pg - 70] 3. Open controller (SFC01) up to 10% in manual mode, now start on Feed water pump A (FD02) [Gr Pg - 70] 4. Change controller SFC01 from manual mode to auto mode with set value 200 m3/hr [Gr Pg - 70] 5. Check the level in PSF column, on reaching 50% open the SLC01 controller manually to 10% and then change controller from manual mode to auto mode with set value 50% [Gr Pg 70] 6. Next check level in ACF column using level controller SLC02,after reaching to 50% initially open the valve manually to 10% and then change the controller to auto mode with set value 50% [Gr Pg - 70]

128

7. Now check level in SAC column using level controller SLC03,after reaching to 50% initially open the valve to 10% by manually and then change the controller to auto mode with set value 50% [Gr Pg - 70] 8. WBA column will start to fill, on reaching 50% level initially open SLC04 manually to 10% and change to auto mode with set value 50% [Gr Pg - 71] 9. DGT will start to fill, on noticing the fluid level in column, start degasser air blower A (FD13) open its discharge valve (FD14) and place controller SFC03 in auto mode with set value 4150 m3/hr [Gr Pg - 71] 10. Once reaching to level of 50% in DGT column, initially open the SLC07 manually to 10%. 11. Open Degasser pump A suction and discharge valves (FD07 and FD09). Open SFC02 controller manually to 10% and start Degasser pump A (FD08) [Gr Pg - 71] 12. Next change SLC07 to auto mode with set value 50% and immediately change SFC02 controller to Cascade mode [Gr Pg - 71] 13. Now SBA column will start to fill, once the level reaches 50% open the controller SLC05 manually to 10% [Gr Pg - 71] 14. Change controller SLC05 from manual mode to auto mode and set value 50% [Gr Pg - 71] 15. The outlet flow from the SBA column goes to MB unit, once the level reaches to 50% open the valve manually to 10% using SLC06 [Gr Pg - 72] 16. Change controller SLC06 from manual mode to auto mode with set value 50% [Gr Pg - 72] 17. The outlet from it is collected in DM water storage tank [Gr Pg - 72]

7.2 COAL HANDLING PLANT 1. Switch ON the conveyor 10A using switch S125 [Gr Pg - 78] 2. After that switch ON the conveyors 7A, 6A, 5A, 4A using switches S123, S121, S116 and S114 [Gr Pg – 77 & 78] 3. Switch ON the secondary crusher S112 [Gr Pg - 77] 4. Run the conveyor 3A using switch S110 [Gr Pg - 77] 5. Switch ON the primary crusher S108 [Gr Pg - 77] 6. Run the conveyor 2A and 1A by using switches S106 and S104 [Gr Pg - 77] 7. After Starting all the conveyors coal wagon should feed the conveyors through wagon tippler, hopper and vibrating feeders [Gr Pg - 77] 8. Change all auto logic switches to normal mode [Gr Pg - 77] 9. Open all coal bunkers upper strobe except for emergency bunkers, maintain level in each bunker and open lower strobe which will allow coal flow to respective mills [Gr Pg - 78] 10. If both conveyors are in OFF position and logic switch is in bypass, First switch ON 1st conveyor and put logic switch to normal mode [Gr Pg – 77 & 78]

129

7.3 CWP SYSTEM 1. Close CWP A & B circuit breaker (CB041 & CB058) [Gr Pg – 82 & 83] 2. Ensure CWP Sealing and cooling Pumps circuit breaker (CB076) is closed [Gr Pg – 85] 3. Start the CWP motor cooling water pump (PS01 or PS02), observe the pressure and flow will rise to 4.8Mpa & 9 m3/hr respectively [Gr Pg - 44] 4. Start the CWP sealing water pump (PS03 or PS04), observe the pressure and flow will rise to 4.8Mpa & 137 m3/hr respectively [Gr Pg - 44] 5. Open condenser A & B, inlet & Outlet valve (HS003 TO HS006) [Gr Pg - 44] 6. Start the CWP A (PS05) observe the discharge valve will open in interlock and the pressure will raise to 0.125Mpa, allow the motor current to stabilize [Gr Pg - 44] 7. Then Start the CWP B (PS06), observe the discharge valve will open in interlock and the pressure will rise to 0.245Mpa, allow the motor current to stabilize [Gr Pg - 44]

7.4 OPEN CYCLE COOLING WATER SYSTEM 1. 2. 3. 4. 5.

Ensure OCCW Pump A & B circuit breaker (CB075) is closed [Gr Pg – 85] Open the suction filter inlet valve (HS013) and outlet valve (HS014) [Gr Pg - 42] Open the suction valve (HS009 Or HS011) of both the pumps [Gr Pg - 42] Open all the supply valves of all the equipment’s connected with OCCW Pump Start the OCCW Pump (PS07 or PS08) observe the discharge valve will open in interlock and the pressure will raise to 0.94Mpa, allow the motor current to stabilize [Gr Pg - 42]

7.5 CLOSED CYCLE COOLING WATER SYSTEM 1. 2. 3. 4.

Close OCCW Pump A & B circuit breaker (CB034 & CB051) [Gr Pg – 82 & 83] Observe the suction pr of CCCW Pump a minimum of 0.1Mpa is required Open the suction valve (HS031 Or HS033) of both the pumps [Gr Pg - 43] Open all the supply Valves and return Control Valves (70%) of all the equipment’s connected with CCCW Pump [Gr Pg - 43] 5. Start the CCCW Pump (PS09 or PS10) observe the discharge valve will open in interlock and the pressure will rises to 0.46Mpa, allow the motor current to stabilize [Gr Pg - 43] 6. Open the CCCW cooler inlet valve of either A or B (HS036 or HS037), observe a pr drop of 0.1Mpa will be present at the coolers [Gr Pg - 43] 7. Now open the Booster Pump cooling water MOV (HS065 or HS066) and start its corresponding pump (PS17 or PS18). The header pressure will rise to 0.52Mpa [Gr Pg - 43]

7.6 TURBINE LUBE OIL SYSTEM 1. Ensure Turbine LOP circuit breaker (CB080) is closed [Gr Pg – 86]

130

2. Open the suction valve of AC LOP (HS068) Start the AC LOP and observe the pressure will rise to 0.16Mpa, allow the motor current to stabilize [Gr Pg - 40] 3. Keep the suction valve of DC LOP (HS070) & SOP (HS069) in open condition [Gr Pg - 40] 4. Open the lube oil header return valve to tank (HS073) [Gr Pg - 40] 5. Start the Main oil tank Exhaust fan A or B (PS23 or PS24) [Gr Pg - 40] 6. Open the lube oil cooler A & B inlet MOV (HS071 & HS072) [Gr Pg - 40] 7. Gradually open the outlet hand controller of cooler A & B (HC214 or HC215) to 50% in turns of 10% [Gr Pg - 40] 8. Ensure Jacking oil pump circuit breaker (CB083) is closed [Gr Pg – 86] 9. Open Suction valve of Jacking oil Pumps and Start the Pump A & B (PS25 & PS26), now observe the pressure will rise to 18.36MPa [Gr Pg - 40] 10. Ensure Turning Gear circuit breaker (CB078) is closed [Gr Pg – 86] 11. Start the Turbine Barring Gear (HS077) and observe the Turbine Rpm will rise to 3 rpm [Gr Pg - 40]

7.7 EH OIL SYSTEM 1. Ensure EH Oil Pumps circuit breaker (CB085) is closed [Gr Pg – 86] 2. Start the EH oil Pump A or B (PS28 or PS29) and open its corresponding discharge valve (HS079 or HS080), now observe the pressure will rise above 12.5MPa [Gr Pg - 49] 3. Open both the filter inlet valve (HS086 or HS087) [Gr Pg - 49] 4. Open the EH oil Circulation Valve (HS088) [Gr Pg - 49] 5. Start the EH oil filter pump (PS31) and open its discharge valve (HS082), now open the filtering equipment outlet (HS083 and HS084) [Gr Pg - 49] 6. If the EH oil tank temperature is above 50 then start the cooling water pump (PS30) and open its return valve to tank (HS085), gradually open the hand controller (HC216 and HC217) to maintain the temperature between 38-42 deg [Gr Pg - 49]

7.8 GEN SEAL OIL SYSTEM 1. Ensure Generator seal oil pumps circuit breaker (CB081) is closed [Gr Pg – 86] 2. Open the cooler outlet hand controller (HC199 or HC200) to 50% in steps of 10%, Open the filter outlet valve (HS710 or HS711) [Gr Pg - 48] 3. Open the air side hand controller (HC201 or HC202) at turbine and exciter end to 50% in steps of 10% [Gr Pg - 48] 4. Open the cooler outlet hand controller (HC195 or HC196) to 50% in steps of 10%, Open the filter outlet valve (HS698 or HS699) [Gr Pg - 48] 5. Open the H2 Side hand controller (HC197 or HC198) at turbine and exciter end to 50% in steps of 10% [Gr Pg - 48] 131

6. Start the Air side pump A or B (PS104 or PS105) and open its corresponding discharge valve (HS702 or HS703) , now observe the pressure will rise to 0.35MPa [Gr Pg - 48] 7. Start the H2 side pump A or B (PS101 or PS102) and open its corresponding discharge valve (HS694 or HS695) , now observe the pressure will rise to 0.35MPa [Gr Pg - 48] 8. After charging the generator with H2, we can observe the seal oil DP will maintain around 75Kpa [Gr Pg - 48]

7.9 GEN H2 COOLING SYSTEM 1. For H2 charging first we have to do CO2 Purging by opening CO2 supply valve (HS713) and CO2 Dryer valve (HS714) [Gr Pg - 47] 2. Now open the H2 dryer inlet valve (HC204) to 100% and cooler A & B inlet valve (HC205 & HC206) to 100% in steps of 10% [Gr Pg - 47] 3. Then open exciter end and turbine end valve (HS720 & HS721), now observe the flow and pressure will rise gradually, maintain the pressure below 5Mpa, the purity of CO2 inside generator will increase, maintain this until the purity reaches above 95% [Gr Pg - 47] 4. If the pressure increases above 5Mpa, maintain the pressure using the drain valve (HS715) [Gr Pg - 47] 5. After the CO2 purity attains above 95%, then open the H2 supply valve (HS716) then open the H2 Supply hand controller (HC203) to 50% in steps of 10% or open its by-pass valve (HS717) [Gr Pg - 47] 6. Now open the H2 to dryer valve (HS719) and close CO2 supply valve (HS713) and CO2 Dryer valve (HS714), observe that the H2 purity will increase and CO2 purity will decrease, maintain this until H2 purity reaches above 98% and maintain the pressure using the vent valve (HS718) [Gr Pg - 47] 7. After H2 purity reaches above 98% and its pressure between 4-5Mpa, close the H2 supply valves(HS716, HS713, HS719 & HC203) [Gr Pg - 47]

7.10 GEN STATOR COOLING WATER SYSTEM 1. Ensure Gen stator water Pumps circuit breaker (CB082) is closed [Gr Pg – 86] 2. Ensure the level of GCW tank is normal [Gr Pg - 46] 3. Now start either the GCW pump A or B (PS107 or PS108) its corresponding discharge valve (HS723 or HS724) will open in interlock allow the motor current to stabilize [Gr Pg - 46] 4. Now open the either cooler A or B outlet hand controller (HC210 or HC211) to 50% in steps of 10%, open either filter A or B valve (HS725 or HS726) [Gr Pg - 46] 5. Now observe the flow and pressure will increase gradually, maintain the pressure at 0.3Mpa

132

6. Now open the N2 purge valve (HC213) to 100% allow for 2mins and close the exhaust manual valve (not simulated) and N2 purge valve, this process removes the air from the tank and maintains the water chemistry [Gr Pg - 46]

7.11 CONDENSATE WATER SYSTEM 1. Close Condensate Extraction Pumps circuit breaker (CB036, CB037 & CB054) [Gr Pg – 82 & 83] 2. Open the make-up valve (HS097) from Dm plant to Condensate storage tank allow the tank to fill up to 5000mm [Gr Pg - 31] 3. Now start either make-up pump A or B (PS32 or PS33) observe that the discharge valve (HS093 or HS094) of corresponding pump will open in interlock [Gr Pg - 31] 4. Open the condenser make-up MCV (LC012) manually to 50%, observe the water level in condenser will start to increase, Switch LC012 to AUTO with set-point of 1200mm, fill both the condenser till 1200mm [Gr Pg - 31] 5. Now before starting any CEP check the following valves are in open condition a. All CEP suction valve (HS109, HS111, HS113) [Gr Pg - 31] b. Gland steam Condenser by-pass MOV (HS117) [Gr Pg - 31] c. Open CEP recirculation inlet & outlet valve [Gr Pg - 31] d. Open CEP recirculation control valve (FC001) to 100% [Gr Pg - 31] e. LP heater 7&8 By-pass MOV (HS750) [Gr Pg - 31] f. LP heater 6 by-pass MOV (HS104) [Gr Pg - 31] g. LP heater 5 by-pass MOV (HS107) [Gr Pg - 31] h. Deaerator make-up inlet & outlet MOV (HS121 & HS122) [Gr Pg - 31] i. Open drain MOV (HS108) [Gr Pg - 31] 6. Start either one CEP (PS34 or PS35 or PS36) and its corresponding discharge valve (HS110, HS112, HS114) will open in interlock, now observe the discharge pressure and flow will increase gradually, and allow the motor current to stabilize [Gr Pg - 31] 7. Now open dearator make-up MCV (LC001) manually to 3% in steps of 1%, observe the deaerator flow will increase at 80 t/hr, Close the drain MOV and fill the deaerator till 400mm. Switch controller to AUTO mode with set-point of 1100mm [Gr Pg - 31]

7.12 MOTOR DRIVEN BFP 1. Ensure BFP’s LOP circuit breaker (CB079) is closed [Gr Pg – 86] 2. Close MD-BFP circuit breaker (CB042) [Gr Pg – 82] 3. Now line-up the Motor driven BFP, first start the auxiliary oil pump (PS48) its discharge valve (HS251) will open in interlock, open lube oil & working oil hand controller (HC109 &

133

HC110) to 100%, also open filter downstream valve (HS253) and allow the lube oil to circulate for 2 mins [Gr Pg - 35] 4. Check the deaerator level have to be above 800mm, all the bearing and winding temp have to be within the normal range [Gr Pg - 32] 5. Open the MD-BFP suction valve (HS224), open the recirculation valve (FC002) to 100% and check the discharge valve (HS225) is in closed condition [Gr Pg - 32] 6. All the RH de-superheating MOV (HS226)have to be in closed condition [Gr Pg - 32] 7. Check in boiler side all the drain valves have to be in closed condition and vent in open condition [Gr Pg - 02] 8. Now start the MD-BFP (PS41) its discharge valve (HS225) will open in interlock, now observe the discharge pressure and flow will increase gradually, and allow the motor current to stabilize [Gr Pg - 32] 9. Open the HP Heater 4-way inlet and outlet valve (HS227 & HS228) [Gr Pg - 32] 10. Open the BFP scoop control (LC017) gradually to 10% [Gr Pg - 32] 11. Now open FRS 30% line inlet & outlet MOV (HS231 & HS232) and open by-pass MCV (LC015) to 1% maintain the flow between 40-80T/hr, now the boiler will start to fill [Gr Pg 32] 12. Fill the drum up to 100mm 13. Close Boiler circulation pumps circuit breaker (CB035, CB052 & CB053) [Gr Pg – 82 & 83] 14. Start any two Boiler assisted circulation pump (PS55, PS56 or PS57) [Gr Pg - 02] 15. Maintain the drum level at 0mm and close the FRS 30% control valve [Gr Pg - 02] 16. Close the vents of different zones after checking the water start to come out in pressure (Not Simulated) [Gr Pg - 02]

7.13 ID FAN A LUBE OIL SYSTEM 1. Ensure ID FAN A LOP circuit breaker (CB064) is closed [Gr Pg – 84] 2. Check the tank oil level is in normal condition and all the bearing and winding temperatures are within the range [Gr Pg - 22] 3. Start the ID fan A cooling fan A or B (PS109 or PS110) [Gr Pg - 22] 4. Start lube oil pump A or B (PS83 or PS84) and open its corresponding discharge valve (HS454 or HS455) [Gr Pg - 22] 5. Open either filter A or B upstream valve (HS456 or HS457) and accumulator outlet valve (HS745) allow the oil to circulate for 5mins [Gr Pg - 22]

7.14 ID FAN A 1. Close ID FAN A circuit breaker (CB030) [Gr Pg – 82] 2. Ensure APH Motor circuit breaker (CB077) is closed [Gr Pg – 86] 134

3. Start APH A main motor (HS360) and open its flue gas inlet dampers (HS344 to HS347) [Gr Pg - 17] 4. Open ID fan A outlet dampers (HS350 & HS351), check inlet guide vane (PC019) and VFD (PC021) are in its minimum position [Gr Pg - 17] 5. Check all the bearing and winding temperatures are within the range and lube oil pressure is normal [Gr Pg - 17] 6. Start the ID Fan A (PS64) observe that the discharge damper (HS348 or HS349) will open in interlock [Gr Pg - 17]

7.15 FD FAN A LUBE OIL SYSTEM 1. Check the tank oil level is in normal condition and all the bearing and winding temperatures are within the range [Gr Pg - 23] 2. Start lube oil pump A or B (PS72 or PS73) and open its corresponding discharge valve (HS419 or HS420) [Gr Pg - 23] 3. Open filter A or B upstream valve (HS423 or HS424), open accumulator outlet valve (HS418) and open servo valve inlet valve (HS426) [Gr Pg - 23] 4. Start the FD fan A cooling pump (PS113), open its discharge valve (HS421) and open cooler upstream valve (HS422) allow the oil to circulate for 5mins [Gr Pg - 23]

7.16 FD FAN A 1. Close FD FAN A circuit breaker (CB031) [Gr Pg – 82] 2. Ensure APH A main motor and ID FAN A (HS360 & PS64) is in running condition [Gr Pg - 17] 3. Open APH A outlet dampers (HS335 & HS752), check inlet guide vane (FC006) is in its minimum position [Gr Pg - 17] 4. Check all the bearing and winding temperatures are within the range and lube oil pressure is normal [Gr Pg - 17] 5. Start the FD Fan A (PS62) observe that the discharge damper (HS333 or HS367) will open in interlock [Gr Pg - 17]

7.17 ID FAN B LUBE OIL SYSTEM 1. Ensure ID FAN B LOP circuit breaker (CB065) is closed [Gr Pg – 84] 2. Check the tank oil level is in normal condition and all the bearing and winding temperatures are within the range [Gr Pg - 22] 3. Start the ID fan B cooling fan A or B (PS111 or PS112) [Gr Pg - 22] 4. Start lube oil pump A or B (PS85 or PS86) and open its corresponding discharge valve (HS458 or HS459) [Gr Pg - 22] 135

5. Open either filter A or B upstream valve (HS460 or HS461) and accumulator outlet valve (HS746) allow the oil to circulate for 5mins [Gr Pg - 22]

7.18 ID FAN B 1. Close ID FAN B circuit breaker (CB047) [Gr Pg – 83] 2. Start APH B main motor (HS363) and open its flue gas inlet dampers (HS352 to HS355) [Gr Pg - 17] 3. Open ID fan B outlet dampers (HS358 & HS359), check inlet guide vane (PC020) and VFD (PC022) are in its minimum position [Gr Pg - 17] 4. Check all the bearing and winding temperatures are within the range and lube oil pressure is normal [Gr Pg - 17] 5. Start the ID Fan B (PS65), observe that the discharge damper (HS356 or HS357) will open in interlock [Gr Pg - 17]

7.19 FD FAN B LUBE OIL SYSTEM 1. Check the tank oil level is in normal condition and all the bearing and winding temperatures are within the range [Gr Pg - 23] 2. Start lube oil pump A or B (PS75 or PS76) and open its corresponding discharge valve (HS428 or HS429) [Gr Pg - 23] 3. Open filter A or B upstream valve (HS432 or HS433), open accumulator outlet valve (HS427) and open servo valve inlet valve (HS435) [Gr Pg - 23] 4. Start the FD fan B cooling pump (PS74), open its discharge valve (HS430) and open cooler upstream valve (HS431) allow the oil to circulate for 5mins [Gr Pg - 23]

7.20 FD FAN B 1. Close FD FAN B circuit breaker (CB048) [Gr Pg – 83] 2. Ensure APH B main motor and ID FAN B (HS363 & PS65) is in running condition [Gr Pg - 17] 3. Open APH B outlet dampers (HS341 & HS342), check inlet guide vane (FC007) is in its minimum position [Gr Pg - 17] 4. Check all the bearing and winding temp are within the range and lube oil pressure is normal 5. Start the FD Fan A (PS63) observe that the discharge damper (HS339 or HS753) will open in interlock [Gr Pg - 17] 6. Open the SADC in following positions [Gr Pg - 16] a. AA,BC,CB,CD,DC,DE,ED,FF - 100% b. OA,OB,OC & OD - 30% c. A,B,C,D,E & F - 0% 136

7.21 GAS AND AIR SYSTEM 1. Open ID FAN A & B inlet guide vane (PC019 & PC020) to 100% in steps of 10% [Gr Pg - 17] 2. Gradually open ID FAN A & B VFD control (PC021 & PC022) to 20% and maintain negative pressure inside boiler between -100 to -50pa [Gr Pg - 17] 3. Gradually open FD FAN A & B inlet guide vane (FC006 & FC007) to 5% and establish air flow inside boiler [Gr Pg - 17] 4. Adjust both ID & FD FAN VFD and IGV to 40% and 7% respectively to attain minimum flow inside boiler which is above 600t/hr and maintain furnace DP between 450 to 650pa [Gr Pg - 17] 5. Put both ID FAN VFD control in AUTO with a set point of -25pa [Gr Pg - 17]

7.22 BOILER PURGE 1. Ensure Scanner air fan circuit breaker (CB084) is closed [Gr Pg – 86] 2. Start scanner air fan A or B (PS99 or PS100) its discharge pr will develop up to 9.5Kpa [Gr Pg - 08] 3. Fill the boiler drum within the normal range -100 to 100mm [Gr Pg - 02] 4. Maintain the furnace pr within normal range within -50Kpa in negative pressure [Gr Pg 17] 5. Keep burner tilt at 50% and SADC dampers at purge position [Gr Pg - 16] 6. Satisfy the entire purge permissive in Boiler purge page, once all conditions are satisfied “READY FOR PURGE” Light will turn Red [Gr Pg - 50] 7. Now start the purge by giving START command in HS751 [Gr Pg - 50] 8. Boiler purge will commence and will continue for 300sec, once completed “PURGE COMPLETE” Light will turn RED [Gr Pg - 50] 9. Give STOP command to HS751 [Gr Pg - 50] 10. Now RESET the MFT by giving RESET command to HS755, observe the NO MFT will reset [Gr Pg - 50] 7. Adjust the SADC to following positions after boiler purge is completed[Gr Pg - 16] d. AA,BC,CB,CD,DC,DE,ED,FF - 50% e. OA,OB,OC & OD - 50% f. A,B,C,D,E & F - 0%

7.23 BOILER LIGHT-UP 1. Open the LDO supply trip valve (HS576) and its return valve (HS577) [Gr Pg - 04] 2. Open the LDO supply control valve and gradually increase it to 20% in steps of 5% [Gr Pg 04]

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3. Charge Auxiliary steam header by Opening Aux steam from Unit-2 Hand controller (HC104) to 100% in steps of 10% [Gr Pg - 45] 4. Open Aux steam source MOV (HS774) [Gr Pg - 45] 5. Gradually open Aux steam PCV (PC010) to 20% in steps of 5% and maintain the pressure above 0.8Mpa [Gr Pg - 45] 6. Open Aux steam header Supply to Oil guns valve (HS142) [Gr Pg - 45] 7. Open Aux steam header to HFO guns valves (HS140 and HS141) open individual elevation hand control valves to 100% (HC101, HC102 and HC103) [Gr Pg – 45] 8. Open SADC OA1 damper 30% to 50% gradually in steps of 10% [Gr Pg - 16] 9. Give START command to OA1 gun AUTO switch (HS756) [Gr Pg - 04] 10. Gun will come into service in the following sequence, first gun (HS579), then igniter (HS580), steam valve (HS581), Oil valve (HS578), spark switch (HS582) and finally flame will be ignited inside boiler [Gr Pg - 04] 11. Insert furnace temperature probe and observe the furnace temperature will gradually increase [Gr Pg - 25] 12. If required we can take the gun in manually also without using AUTO switch by following the above mentioned sequence [Gr Pg - 04] 13. Give START command to OA3 gun AUTO switch (HS758) [Gr Pg - 04] 14. Gun will come into service in the following sequence, first gun (HS591), then igniter (HS592), steam valve (HS593), Oil valve (HS590), spark switch (HS594) and finally flame will be ignited inside boiler [Gr Pg - 04] 15. Furnace temperature should not be >528DegC. 16. Do not put ESP in service during oil firing. 17. The firing rate should be controlled slowly enough and the drum wall temperature increasing rate is recommended less than 1.5DegC/min. Allowable temperature difference between drum upper and lower is 50DegC 18. Put 2 more burners in service of OA elevation when drum surface temp is > 100DegC 19. Give START command to OA2 gun AUTO switch (HS757) [Gr Pg - 04] 20. Gun will come into service in the following sequence, first gun (HS585), then igniter (HS586), steam valve (HS587), Oil valve (HS584), spark switch (HS588) and finally flame will be ignited inside boiler [Gr Pg - 04] 21. Give START command to OA4 gun AUTO switch (HS759) [Gr Pg - 04] 22. Gun will come into service in the following sequence, first gun (HS591), then igniter (HS592), steam valve (HS593), Oil valve (HS590), spark switch (HS594) and finally flame will be ignited 23. At 0.1Mpa pressure flush the local drum level gauge glass (Not simulated) 24. At 0.2Mpa drum pressure close drum vents and open MSSV’s (HS298 & HS299) [Gr Pg – 02 & 03]

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25. At 0.2Mpa drum pressure close super-heater drains & vents(HS273, HS277, HS278 & HS124) 26. Mill can be put in service when all 4 oil corners are in service and Hot air temp > 150DegC 27. HFO burner can be put into service if a. Furnace temp. should be more than 250DegC (Cold Startup) OR b. Sec Air heater outlet air temp. is >125DegC (Hot Startup)

7.24 VACCUM PULLING 1. 2. 3. 4.

Ensure Vaccum Pumps circuit breaker (CB074) is closed [Gr Pg – 85] Ensure that turbine is on barring gear [Gr Pg - 40] Close the vacuum breaker valve (HS254 & HS255) [Gr Pg - 39] Start vacuum pump A (PS49), open the separator make-up MOV (HS257), start its recirculation pump (PS50) open Vacuum pump suction valve (HS256) and open both vacuum pump isolation valve (HS262 & HS263)ensure vacuum rises above -75kpa [Gr Pg - 39] 5. Start vacuum pump B (PS51), open the separator make-up MOV (HS259), start its recirculation pump (PS52) open Vacuum pump suction valve (HS258) and open both vacuum pump isolation valve (HS262 & HS263)ensure vacuum rises above -85kpa [Gr Pg - 39]

7.25 GLAND STEAM SYSTEM 1. 2. 3. 4. 5. 6.

Ensure Gland Sealing Fans circuit breaker (CB072) is closed [Gr Pg – 85] Open Aux steam source MOV (HS137) to gland steam system [Gr Pg - 45] Start gland steam exhaust fan A (PS37) and open its inlet valve (HS144) [Gr Pg - 27] Keep the gland steam drain MOV (HS151 & HS148)in open condition [Gr Pg - 27] Keep the gland steam by-pass valve (HS150) in closed condition [Gr Pg - 27] Open Gland steam supply valve (HS149) and gradually Supply gland sealing steam (Between 7 to 21Kpa, 143DegC ) and ensure vacuum is < -93kpa [Gr Pg - 27] 7. Close the drain (HS151 & HS148) when the temp is >100DegC [Gr Pg - 27] 8. Using the temp controller maintain the temperature in the LP side <300DegC [Gr Pg - 27] 9. Ensure that gland seal steam temp & turbine shaft temp diff is < 110DegC [Gr Pg - 27] 10. During hot & warm startup apply gland sealing first and then start vacuum pulling.

7.26 TURBINE BY-PASS OPERATION 1. Ensure that drum pressure has reached 4.0Mpa [Gr Pg - 02] 2. Open HP bypass valve (PC014) so as to maintain MS pressure < 5.6Mpa Open LP bypass valves (PC023 & PC024) so as to maintain HRH pressure to 1.0Mpa [Gr Pg - 38] 3. Open HP bypass spray valve (HS836 & TC033) so as to maintain HRH temp 340DegC. Switch Controller to AUTO Mode [Gr Pg - 38] 139

4. Open LP bypass spray valves (HS838, TC035, HS837 and TC034) so as to maintain LP Exhaust temp. < 90DegC. Switch Controller to AUTO Mode [Gr Pg - 38] 5. Do bypass operation until IP inlet pressure is > 1Mpa & temp is min 300DegC but not exceeding 430DegC (56DegC above saturation temp) [Gr Pg - 38] 6. When HRH pressure is above 0.2MPa close HRH vent valves (HS281 to HS284) [Gr Pg - 03]

7.27 TURBINE ROLLING 1. Reset / Latch the turbine (HS839) [Gr Pg - 52] a. HP & LP differential expansion, axial displacement, HP & IP & LP up and down differential temperature, eccentricity, and differential temperature of inner & outer wall of steam chamber are in limited range [Gr Pg - 41] b. Main steam pressure: 5.6Mpa, temperature: 340DegC [Gr Pg - 03] c. Reheat steam pressure: 1Mpa, temperature: 300DegC [Gr Pg - 03] d. Difference between Main and reheat steam is >56DegC superheat degree [Gr Pg - 03] e. Condenser vacuum at HP & LP side >-75KPa [Gr Pg - 40] f. Eccentricity < 75 micron [Gr Pg - 41] g. Lubricate oil temperature is between 38 to 42DegC [Gr Pg - 40] h. Lubricate oil pressure: 0.1 to 0.18Mpa [Gr Pg - 40] i. Turbine turning gear (HS077) ON [Gr Pg - 40] j. DEH oil pr. Should be >12MPa [Gr Pg - 49] 8. Roll the turbine with HP & IP turbine both a. Rolling is done through HP & IP turbine combined. b. Initially speed is regulated by MSV ( for HP turbine ) & by IV ( for IP Turbine ) c. Open HP exhaust 4 valves (PC001 to PC004) by 20% [Gr Pg - 38] d. Control HP exhaust steam to cond. temp to 60.C with spray valves (TC017 & TC018) [Gr Pg - 38] e. Put the turbine in PARTIAL arc mode (HS840), observe all the HP governing control valves CV1 – CV4 will open in AUTO to 100% [Gr Pg - 52] f. Select the AUTO command in HS841 to start turbine rolling in AUTO mode [Gr Pg - 52] g. Raise the turbine speed to 400 rpm at rate of 20 rpm/min [Gr Pg - 52] h. Give GO command in HS842 to start turbine rolling [Gr Pg - 52] i. Check for any abnormality [Gr Pg - 52] j. Raise the turbine speed to 2350 rpm at rate of 50 rpm/min [Gr Pg - 52] k. During critical speed carefully observe bearing vibrations. Don’t hold the acceleration during this speed range. (650-850rpm,1550-2150 rpm). Ensure that speed rise rate during critical speed increases automatically [Gr Pg - 52] l. Soak turbine at 2350 rpm for 30 min [Gr Pg - 52] 140

m. Give open command to CRH NRV. It will release the force closing of valve [Gr Pg - 38] n. Main steam temperature slowly slide to 380, reheated steam temperature slowly slide to 335. Main steam temp can increase to 430, but the temperature rise rate should not be > 0.99.C/min [Gr Pg - 03] o. Charge LPH 8(A,B), 7(A,B) , 6 & 5 from i. First open water side valves (HS100, HS101, HS102, HS103, HS105, HS106, HS115 & HS116) [Gr Pg – 31] ii. Close Bypass Valves (HS117, HS750, HS104 & HS107) [Gr Pg – 31] iii. Then from drip side (LC002 to LC007) to 50% [Gr Pg - 29] iv. Ensure emergency drain valves are in closed condition (HS161 to HS164, HS737 & HS738) [Gr Pg - 29] v. Open Ext-8 steam valves (HS207 & HS210) [Gr Pg - 26] vi. Open Ext-7 steam valves (HS208 & HS209) [Gr Pg - 26] vii. Open Ext-6 steam valves (HS198 & HS199) [Gr Pg - 26] viii. Open Ext-5 steam valves (HS194 & HS195) [Gr Pg - 26] ix. Observe axial shift is normal [Gr Pg - 41] x. After the extraction temp rises above 120DegC close all its drain valve (HS193, HS196, HS197 & HS200) [Gr Pg - 26] p. Raise the turbine speed to 2950 rpm at rate of 40 rpm/min [Gr Pg - 52] q. Raise speed to 3000 rpm at rate of 20 rpm /min, Maintain Turbine Speed at 3000 rpm [Gr Pg - 52] r. Carefully monitor following parameters [Gr Pg - 41] i. ii. iii. iv. v.

Bearing vibrations Bearing temp Axial shift Differential Expansions Condenser Vacuum

7.28 SYNCHRONISING 1. Ensure H2 pressure is 0.36Mpa. It will automatically rise to 4Mpa on getting warm [Gr Pg 47] 2. Ensure that H2 purity is > 96% [Gr Pg - 47] 3. Ensure Speed > 2970 rpm [Gr Pg - 52] 4. Ensure that any one GCB isolator is closed and Earthing isolators are open [Gr Pg - 51] 5. After reaching 3000Rpm, close the field breaker (HS833) and start AVR in AUTO (HS834) [Gr Pg - 51]

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6. Now close the exciter breaker (HS831) and start excitation in AUTO (HS832), Change DMC11 to AUTO mode with set point 20KV and observe the generator terminal voltage will start to build up to 20KV [Gr Pg - 51] 7. Switch HS840 to FULL ARC, HS841 in MANUAL, HS842 to HOLD [Gr Pg - 52] 8. Close control valves manually from GCV04 to GCV02 fully and reduce GCV01 to 2% and maintain 3000rpm by adjusting GCV01 [Gr Pg - 52] 9. After satisfying all the required conditions, start the synchronoscope (HS835) [Gr Pg - 52] 10. When the unit voltage matches with the grid voltage GCB (HS830) will close in AUTO and power will be produced [Gr Pg - 51]

7.29 LOAD RISING 1. Take 30 MW (5%) load immediately to prevent reverse power. 2. Warm-up for 30 min at 30 MW (5% of rated load). During this period, maintain steam temperature, pressure stability. Temperature rising rate should not be more than 110DegC/hr 3. Now take oil support in OB elevation any two adjacent guns (OB1&OB3 or OB2&OB4) 4. Open the HFO supply trip valve (HS602) and its return valve (HS603) [Gr Pg - 05] 5. Open the HFO supply control valve and gradually increase it to 20% in steps of 5% and put in AUTO with a set point of 0.7Mpa [Gr Pg - 05] 6. Open the atomizing team PCV gradually and maintain pressure above 0.8Mpa [Gr Pg - 05] 7. Open SADC OB1 damper to 50% [Gr Pg - 16] 8. Give START command to OB1 gun AUTO switch (HS760) [Gr Pg - 05] 9. Gun will come into service in the following sequence, first gun (HS605), then igniter (HS606), steam valve (HS607 & HS608), Oil valve (HS604), spark switch (HS609) and finally flame will be ignited inside boiler [Gr Pg - 05] 10. Open SADC OB3 damper to 50% [Gr Pg - 16] 11. Give START command to OB3 gun AUTO switch (HS762) [Gr Pg - 05] 12. Gun will come into service in the following sequence, first gun (HS619), then igniter (HS620), steam valve (HS621 & HS622), Oil valve (HS618), spark switch (HS623) and finally flame will be ignited inside boiler [Gr Pg - 05] 13. Do not put ESP in service during oil firing 14. The firing rate should be controlled slowly enough and the drum wall temperature increasing rate is recommended less than 2.5DegC/min. Allowable temperature difference between drum upper and lower is 50DegC [Gr Pg - 02] 15. Put 2 more burners in service of OC elevation to increase the load [Gr Pg - 06] 16. Open SADC OC2 damper to 50% [Gr Pg - 16] 17. Give START command to OC2 gun AUTO switch (HS765) [Gr Pg - 06]

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18. Gun will come into service in the following sequence, first gun (HS642), then igniter (HS643), steam valve (HS644 & HS645), Oil valve (HS641), spark switch (HS646) and finally flame will be ignited inside boiler [Gr Pg - 06] 19. Open SADC OC4 damper to 50% [Gr Pg - 16] 20. Give START command to OC4 gun AUTO switch (HS767) [Gr Pg - 06] 21. Gun will come into service in the following sequence, first gun (HS656), then igniter (HS657), steam valve (HS658 & HS659), Oil valve (HS655), spark switch (HS660) and finally flame will be ignited [Gr Pg - 06]

7.30 PA FAN A LUBE OIL SYSTEM i. Check the tank oil level is in normal condition and all the bearing and winding temperatures are within the range [Gr Pg - 24] ii. Start lube oil pump A or B (PS78 or PS79) and open its corresponding discharge valve (HS437 or HS438) [Gr Pg - 24] iii. Open filter A or B upstream valve (HS441 or HS442), open accumulator outlet valve (HS436) and open servo valve inlet valve (HS444) [Gr Pg - 24] iv. Start the PA fan A cooling pump (PS77), open its discharge valve (HS439) and open cooler upstream valve (HS440) allow the oil to circulate for 5mins [Gr Pg - 24]

7.31 PA FAN A 1. Close PA FAN A circuit breaker (CB032) [Gr Pg – 82] 2. Ensure APH A main motor and ID & FD FAN A (HS360, PS64 & PS62) is in running condition [Gr Pg - 17] 3. Open APH A outlet damper (HS329) and cold air outlet damper (HS328), check inlet guide vane (PC017) is in its minimum position [Gr Pg - 17] 4. Check all the bearing and winding temperatures are within the range and lube oil pressure is normal [Gr Pg - 17] 5. Start the PA Fan A (PS60) observe that the discharge damper (HS327) will open in interlock [Gr Pg - 17]

7.32 SEAL AIR FAN A 1. 2. 3. 4.

Ensure Seal air Fans circuit breaker (CB068) is closed [Gr Pg – 84] Ensure PA FAN A (PS60) is in running condition [Gr Pg - 18] Open Seal air fan A filter inlet & outlet damper (HS313 & HS315) [Gr Pg - 18] Start the Seal air Fan A (PS58) observe that the discharge damper (HS316) will open in interlock [Gr Pg - 18] 143

5. Its discharge pr will rise up to 13Kpa and observe the DP have to be above 2Kpa [Gr Pg - 18]

7.33 MILL A LUBE OIL SYSTEM 1. Ensure all Mill’s LOP circuit breaker (CB063) is closed [Gr Pg – 84] 2. Check the tank oil level is in normal condition and all the bearing and winding temperatures are within the range [Gr Pg - 10] 3. Start lube oil pump A or B (PS87 or PS88) and open its corresponding discharge valve (HS547 or HS548) [Gr Pg - 10] 4. Open filter A or B upstream valve (HS549 or HS550), allow the oil to circulate for 5mins [Gr Pg - 10]

7.34 MILL A 1. Close MILL A circuit breaker (CB038) [Gr Pg – 82] 2. Ensure all the dampers and MOV’s are in closed condition except Knife gate(HS775 to HS778) and all the bearing and winding temperatures are within the range [Gr Pg - 10] 3. Open seal air damper and MOV to MILL A (HS321 & HS465) [Gr Pg - 10] 4. Open seal air damper to feeder (HS474) [Gr Pg - 10] 5. Open COLD AIR damper (HS462) and its control valve (TC027)to 20% [Gr Pg - 10] 6. Open HOT AIR damper (HS462) and its control valve (FC008)to 20% gradually in steps of 5%, maintain the mill exhaust temperature within 70DegC [Gr Pg - 10] 7. Open feeder inlet & outlet damper (HS473 & HS475) [Gr Pg - 10] 8. Open all 4 MDV’s (HS467 to HS470) gradually keeping in note of boiler furnace pressure 9. Open all 4 SADC (HC112, HC133, HC154 & HC175)of MILL A to 50% [Gr Pg - 10] 10. Start coal feeder (HS472) increase the coal flow (RC001)to 20% and start MILL A (HS466) [Gr Pg - 10] 11. Observe the flame intensity will start to increase, maintain the mill exit temperature within 75DegC [Gr Pg - 10] 12. Gradually increase HOT AIR (FC008) and coal flow (RC001) to 70% and 85% respectively [Gr Pg - 10] 13. Maintain the total mill air flow within 120m3/hr and put FC008 in AUTO [Gr Pg - 10] 14. Maintain coal flow at 45 T/hr and put RC001 in AUTO [Gr Pg - 10] 15. Observe all the bearing & winding temperature are in normal range [Gr Pg - 10] 16. Boiler pressure rise rate should not be > 0.1Mpa / min [Gr Pg - 02] 17. Put one more mill in service when hot air temp > 170DegC [Gr Pg - 11]

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7.35 MILL B LUBE OIL SYSTEM 1. Check the tank oil level is in normal condition and all the bearing and winding temperatures are within the range [Gr Pg - 11] 2. Start lube oil pump A or B (PS89 or PS90) and open its corresponding discharge valve (HS552 or HS553) [Gr Pg - 11] 3. Open filter A or B upstream valve (HS554 or HS555), allow the oil to circulate for 5mins [Gr Pg - 11]

7.36 MILL B 1. Close MILL B circuit breaker (CB055) [Gr Pg – 83] 2. Ensure all the dampers and MOV’s are in closed condition except Knife gate(HS779 to HS782) and all the bearing and winding temperatures are within the range [Gr Pg - 11] 3. Open seal air damper and MOV to MILL B (HS322 & HS479) [Gr Pg - 11] 4. Open seal air damper to feeder (HS488) [Gr Pg - 11] 5. Open COLD AIR damper (HS476) and its control valve (TC028)to 20% [Gr Pg - 11] 6. Open HOT AIR damper (HS477) and its control valve (FC009)to 20% gradually in steps of 5%, maintain the mill exhaust temperature within 70DegC [Gr Pg - 11] 7. Open feeder inlet & outlet damper (HS487 & HS489) [Gr Pg - 11] 8. Open all 4 MDV’s (HS481 to HS484) gradually keeping in note of boiler furnace pressure [Gr Pg - 11] 9. Open all 4 SADC (HC114, HC135, HC156 & HC177)of MILL B to 50% [Gr Pg - 11] 10. Start coal feeder (HS486) increase the coal flow (RC002)to 20% and start MILL B (HS480) [Gr Pg - 11] 11. Observe the flame intensity will start to increase, maintain the mill exit temperature within 75DegC [Gr Pg - 11] 12. Gradually increase HOT AIR (FC009) and coal flow (RC002) to 70% and 85% respectively 13. Maintain the total mill air flow within 120m3/hr and put FC009 in AUTO [Gr Pg - 11] 14. Maintain coal flow at 45 T/hr and put RC002 in AUTO [Gr Pg - 11] 15. Observe all the bearing & winding temperature are in normal range

7.37 ASH HANDLING PLANT 7.37.1 FLY ASH 1. Ensure all circuit breaker in AHP board is closed [Gr Pg – 87] 2. Start the air compressor (S006) for supplying air to fluidize ash particles and open block valve (S009) for air flow [Gr Pg - 75] 3. Open all the block valves from air preheater, economizer and electrostatic precipitator hoppers (S001, S002, S003, S004 & S005) [Gr Pg - 75] 145

4. All the ashes are fluidized by means of air and sent to the intermediate silo, where pressure and level are maintained with the help of vent valve (S010) and flow valves (S011,S012 & S013) [Gr Pg - 75] 5. Start Service water pump A (S007) to the silos for mixing water and ash. Open block Valves (S014 & S015) to be opened to accommodate water flow to silos [Gr Pg - 75] 6. Dry ash should be collected by opening the chute (S013) [Gr Pg - 75] 7. Both silos levels are maintained and wet ash is collected by opening valve S016 for Silo 1 and S017 for Silo 2 [Gr Pg - 75] 7.37.2 BOTTOM ASH 1. The ashes collected in the bottom ash hopper are crushed with the help of clinker crusher (S051 & S052) [Gr Pg - 76] 2. Open S070 to fill water to ash settling tank [Gr Pg - 76] 3. Start Ash sludge pump A (S031) which supply water to mix with ash in the bottom ash conveyor by opening the valve (S053 & S054) [Gr Pg - 76] 4. This mixture sent to the dewatering bin, where water will be separated and semi solid ash will be collected in the truck and remaining will be sent to the Ash settling tank for recycling [Gr Pg - 76] 5. Open bottom ash conveyor valves (S055, S056, S059 & S060) from clinker crusher to the dewatering bin [Gr Pg - 76] 6. Start either one of ash pump (S033 or S034) which will transfer a portion of the wet ash to a distant ash pond, where ash will be precipitated and recycled [Gr Pg - 76] 7. Open valves S063 or S064 from dewatering bin to Ash settling tank [Gr Pg - 76] 8. In ash settling tank more water will be recycled to clinker by means of Ash sluice pump for mixing with ash [Gr Pg - 76] 9. The sludge portion of ash settling tank is sent to dewatering bin for further separation by starting the pump sludge pump (S035) and open valves (S061 or S062) [Gr Pg - 76] 10. Levels should be maintained with the help of block valves S065 and S066 [Gr Pg - 76]

7.38 LOAD RISING 1. 2. 3. 4.

Raise the load to 60 MW( 10% ) Changeover from ST to UT, close HS843 & open HS844 [Gr Pg - 51] Close HP turbine 4 exhaust valves (PC001 to PC004) [Gr Pg - 38] Open CRH NRV (HS129) [Gr Pg - 38], close economizer re-circulation valve (HS306) [Gr Pg 02] 5. Ensure that HP Turbine drain valve closed (HS127 & HS128) [Gr Pg - 38] 6. At 90 MW load ensure to close turbine exhaust hood spray valves (TC013 to TC016) [Gr Pg 38] 146

7. Raise load to 120 MW 8. Changeover Gland steam to CRH extraction steam, open CRH inlet MOV (HS152) and its control valve (PC005) to 15% decrease auxiliary line control valve (PC013) to 15% [Gr Pg 27] 9. Raise load at the rate of 3 MW/min. 10. At 180 MW load changeover auxiliary steam on unit, open CRH inlet MOV (HS138) and its control valve (PC006) to 25% and put it in AUTO with a Set point of 0.8Mpa [Gr Pg - 45] 11. Now close Aux steam from unit-2 valve to 0% (HS774 & PC010) [Gr Pg - 45] 12. At 180 MW load change over Dearator steam to extraction -4 [Gr Pg - 26] a. Open Ext-4 valves (HS177 to HS179) [Gr Pg - 38] b. Open IP cylinder to Dearator isolation valves (HS205 & HS206) [Gr Pg - 38] c. Open Dearator inlet move (HS191) and HC220 to 100% [Gr Pg - 38] d. Open IP cylinder to Aux steam line valves HS182 & HC221 to 100% [Gr Pg - 45] e. Close Aux to Dearator valves (HS801, HS802, PC011 & PC012) to 0% [Gr Pg - 45] 13. At 180 MW Charge HP Heater from low pr to high pr a. First open water side valves (HS227 & HS228) [Gr Pg - 32] b. Then from drip side (LC009 to LC011) to 70% [Gr Pg - 28] c. Ensure emergency drain valves are in closed condition (HS735, HS736 & LC008) [Gr Pg - 28] d. Open Ext-3 steam valves (HS203, HS173, HS174 & HS204) [Gr Pg - 26] e. Open Ext-2 steam valves (HS212, HS165, HS166 & HS213) [Gr Pg - 26] f. Open Ext-1 steam valves (HS169 & HS170) [Gr Pg - 26] g. Observe axial shift is normal [Gr Pg - 41] h. After the extraction temp rises above 120DegC close all its drain valve (HS167, HS168, HS171, HS172, HS175 & HS176) [Gr Pg - 26] 14. At 180 MW load put TDBFP in service.

7.39 BFPT A LUBE OIL SYSTEM 1. Check the tank oil level is in normal condition and all the bearing and winding temperatures are within the range [Gr Pg - 36] 2. Start lube oil pump A or B (PS42 or PS43) and open its corresponding discharge valve (HS235 or HS238) [Gr Pg - 36] 3. Open filter A or B upstream valve (HS236 or HS237), open cooler A MCV (HC105) to 50% and open brg lube oil line (HS241), ensure oil pressure of 0.3Mpa at bearing inlet and allow the oil to circulate for 5mins [Gr Pg - 36]

147

7.40 BFPT A 1. Close TD-BFP A & B circuit breaker (CB033 & CB050) [Gr Pg – 82 & 83] 2. Ensure EH oil system of main turbine is charged 3. Check the dearator level have to be above 800mm, all the bearing and winding temp have to be within the normal range [Gr Pg - 32] 4. Open TDBFP exhaust valve (HS233) to condenser and raise vacuum and its drain in closed condition (HS234) [Gr Pg - 30] 5. Ensure 4th extraction steam pressure is > 0.5Mpa and temp is >300DegC [Gr Pg - 26] 6. Open the BFPT A suction valve (HS218), open the recirculation valve (FC004) above 90% and check the discharge valve (HS219) is in closed condition [Gr Pg - 32] 7. All the RH de-superheating MOV (HS220)have to be in closed condition [Gr Pg - 32] 8. Open Steam inlet valve from Ext-4 (HS183 & HS804) and ensure line temp rises to 300DegC [Gr Pg - 30] 6. Now start the BFPT-A (PS39) its discharge valve (HS219) will open in interlock, now gradually raise the BFPT speed control (RC007) to 15%. Observe the speed of BFP will increase gradually [Gr Pg - 32] 7. Observe the discharge pressure and flow will increase gradually, and allow the motor current to stabilize [Gr Pg - 32] 8. Soak turbine at 1000 rpm for 30 min 9. Increase the speed up to 3000 rpm (min Recirculation valve should remain open) [Gr Pg 30] 10. Increase the speed slowly and balance the discharge pr with other running BFP [Gr Pg - 32] 11. Maintain same suction flow as other running BFP [Gr Pg - 32] 12. Gradually balance both the running BFP’s speed control to maintain MS flow & drum level 13. At 200 MW load put 3rd mill in service [Gr Pg - 12]

7.41 MILL C LUBE OIL SYSTEM 1. Check the tank oil level is in normal condition and all the bearing and winding temperatures are within the range [Gr Pg - 12] 2. Start lube oil pump A or B (PS91 or PS92) and open its corresponding discharge valve (HS557 or HS558) [Gr Pg - 12] 3. Open filter A or B upstream valve (HS559 or HS560), allow the oil to circulate for 5mins [Gr Pg - 12]

7.42 MILL C 1. Close MILL C & E circuit breaker (CB039 & CB040) [Gr Pg – 82] 2. Close MILL D & F circuit breaker (CB056 & CB057) [Gr Pg – 83] 148

3. Ensure all the dampers and MOV’s are in closed condition except Knife gate(HS783 to HS786) and all the bearing and winding temperatures are within the ran ge [Gr Pg - 12] 4. Open seal air damper and MOV to MILL B (HS323 & HS493) [Gr Pg - 12] 5. Open seal air damper to feeder (HS502) [Gr Pg - 12] 6. Open COLD AIR damper (HS490) and its control valve (TC029) to 20% [Gr Pg - 12] 7. Open HOT AIR damper (HS491) and its control valve (FC010) to 20% gradually in steps of 5%, maintain the mill exhaust temperature within 70DegC [Gr Pg - 12] 8. Open feeder inlet & outlet damper (HS501 & HS503) [Gr Pg - 12] 9. Open all 4 MDV’s (HS495 to HS498) gradually keeping in note of boiler furnace pressure [Gr Pg - 12] 10. Open all 4 SADC (HC118, HC139, HC160 & HC181) of MILL B to 50% [Gr Pg - 12] 11. Start coal feeder (HS500) increase the coal flow (RC003) to 20% and start MILL B (HS494) [Gr Pg - 12] 12. Observe the flame intensity will start to increase, maintain the mill exit temperature within 75DegC [Gr Pg - 12] 13. Gradually increase HOT AIR (FC010) and coal flow (RC003) to 70% and 85% respectively [Gr Pg - 12] 14. Maintain the total mill air flow within 120m3/hr and put FC010 in AUTO [Gr Pg - 12] 15. Maintain coal flow at 45 T/hr and put RC003 in AUTO [Gr Pg - 12] 16. Observe all the bearing & winding temperature are in normal range [Gr Pg - 12]

7.43 LOAD RISING 1. At 240 MW load withdraw oil support of running mills whose loading is > 60%. 2. 240 MW load put one more BFP & CEP in service [Gr Pg – 31 & 32] 3. When flue gas temp is > 120DegC, charge ESP (Not simulated)

7.44 BFPT B LUBE OIL SYSTEM 1. Check the tank oil level is in normal condition and all the bearing and winding temperatures are within the range [Gr Pg - 37] 2. Start lube oil pump A or B (PS45 or PS46) and open its corresponding discharge valve (HS244 or HS247) [Gr Pg - 37] 3. Open filter A or B upstream valve (HS245 or HS246), open cooler A MCV (HC107) to 50% and open brg lube oil line (HS241), ensure oil pressure of 0.3Mpa at bearing inlet and allow the oil to circulate for 5mins [Gr Pg - 37]

149

7.45 BFPT B 1. Ensure EH oil system of main turbine is charged 2. Check the dearator level have to be above 800mm, all the bearing and winding temp have to be within the normal range [Gr Pg - 32] 3. Open TDBFP exhaust valve (HS242) to condenser and raise vacuum and its drain in closed condition (HS243) [Gr Pg - 30] 4. Ensure 4th extraction steam pressure is > 0.5Mpa and temp is >300DegC [Gr Pg - 26] 5. Open the BFPT B suction valve (HS221), open the recirculation valve (FC003) above 90% and check the discharge valve (HS222) is in closed condition [Gr Pg - 32] 6. All the RH de-superheating MOV (HS223)have to be in closed condition [Gr Pg - 32] 7. Open Steam inlet valve from Ext-4 (HS187 & HS805) and ensure line temp rises to 300DegC [Gr Pg - 30] 8. Now start the BFPT-A (PS40) its discharge valve (HS222) will open in interlock, now gradually raise the BFPT speed control (RC008) to 15%. Observe the speed of BFP will increase gradually [Gr Pg - 32] 9. Observe the discharge pressure and flow will increase gradually, and allow the motor current to stabilize [Gr Pg - 32] 10. Soak turbine at 1000 rpm for 30 min [Gr Pg - 30] 11. Increase the speed up to 3000 rpm (min Recirculation valve should remain open) [Gr Pg 30] 12. Increase the speed slowly and balance the discharge pr with other running BFP 13. Maintain same suction flow as other running BFP 14. Gradually balance both the running TDBFP speed control to maintain MS flow & drum level [Gr Pg - 32] 15. Decrease the scoop control of MD-BFP (LC017) to 0%, open its recirculation valve (FC002) to 100% then close the discharge valve of MD-BFP and stop MD-BFP (PS41) [Gr Pg - 32] 16. Now maintain the drum level with both running TDBFP speed control (RC007 & RC008) [Gr Pg - 32]

7.46 LOAD RISING 1. 2. 3. 4.

At 360 MW load put MILL D in service [Gr Pg - 13] At 400MW withdraw all the oil support in boiler At 450 MW load put MILL E in service [Gr Pg - 14] Normalize all the process parameters and raise load to 600 MW by switching to AUTO control. 5. Ensure that all parameters are stable at normal values & all control loops are on Auto 6. Ensure all the drain valves in all the systems are in closed condition 7. Normal operating parameters 150

a. b. c. d. e. f. g. h. i. j. k. l. m. n. o.

Power Reactive power SH pressure SH temperature RH pressure RH temperature FW flow MS flow Coal flow Drum Level Total Air flow Furnace Pr O2 Lube oil pr Vacuum

- 600 MW - 372 MVAR - 16.8 Mpa - 538 DegC - 3.35 Mpa - 538 DegC - 1762 T/hr - 1872 T/hr - 230 T/hr - -24mm - 2135 T/hr - -20 Kpa - 3.5 to 4.5% - 0.15 Kpa - -91 Kpa

7.47 SWITCHING TO AUTO CONTROL 1. After following normal light up procedures synchronize generator with grid and raise the loading in fuel section manually to increase the power production. 2. Now gradually raise the air flow in FD to 2135 T/hr and switch FD vane FC006 & FC007 in cascade mode. 3. Now switch Air Master DMC03 in AUTO mode with O2 set point of 3.5%, now FD air flow can be modified by adjusting DMC03. 4. Maintain the Furnace pressure around -70pa and switch ID fan VFD PC021 & PC022 in cascade mode. 5. Switch Furnace pressure master DMC04 in AUTO mode with Set point of -70pa, now Furnace pressure can be modified by adjusting DMC03. 6. Switch all running mill hot air damper control FC008 to FC013 in cascade mode and put all Mill master control DMC05 to DMC10 in Auto with set point of 46 T/hr per mill 7. Switch coal feeder speed control RC001 to RC006 in cascade mode with a set value of 46 T/hr and put DMC01 in AUTO with set point of 230 T/hr 8. Boiler Master – Put DMC14 in AUTO and Fuel master in Cascade mode 9. Load Control – Put DMC18 in AUTO and Governing Valve control GCV01 to GCV04 in cascade mode 10. By adjusting DMC18 (LOAD TARGET) we can increase or decrease the Generator power.

151

8 600MW SHUT-DOWN PROCEDURE 1. Prior to performing a shut-down of the simulated power plant, the Instructor must first download the Design Start IC, and select “Run Simulator” from the Instructor Functions Menu. 2. Note that the procedures listed below represent a typical shut-down of a power plant. If your practice differs from the procedures outlined here, changes or substitutions should be made. 3. Some operations may be performed in parallel and not sequentially as listed. 4. In general, all equipment is on, and all controllers are in AUTO or CASCADE.

8.1 LOAD DECREASING 1. Inform all concerned personnel (Instructor) that the Plant is being shut-down. Complete all pre-shutdown checks and procedures. 2. Check that all controllers are on AUTO or CASCADE; and A/M stations are on AUTO. 3. Set the Load Demand Local Manual Station (HC503) at 87.5 % [Gr Pg - 52] 4. Place the Load Control (HS523) in LOCAL [Gr Pg - 52] 5. Place the Governor Control (HS841) in MANUAL [Gr Pg - 52] 6. Place the Burner Tilt Control (HC131, HC152, HC173 & HC194) in MANUAL [Gr Pg - 08] 7. Place Reheat Temperature Controller (TC001 & TC002) in MANUAL [Gr Pg - 03] 8. Adjust the Reheat Temperature Controller (TC001 & TC002) output to 20 % [Gr Pg - 03] 9. Place Reheat Temperature Controller (TC001 & TC002) in AUTO (set point to be 540) [Gr Pg - 03]

10. Reduce the load to approximately 500 MW (Generator Power) 11. Place Boiler Master Controller (DMC14) in MANUAL [Gr Pg - 53] 12. Open Governor Control (GCV01 - 04) to 100 % [Gr Pg - 52] 13. Gradually decrease the coal flow in MILL E (RC005), maintain the mill exit temperate within normal range by adjusting mill airflow (FC012 & TC031) [Gr Pg - 53] 14. Now decrease RC005 To minimum and stop the feeder (HS528), stop MILL E (HS522), close all its HAD, CAD, all MDV’s, feeder I/L, O/L & Seal air dampers [Gr Pg - 14] 15. Now close all the SADC dampers of MILL E [Gr Pg - 16] 16. Now take all the Mill master controls in Manual [Gr Pg - 53] 17. Now open the OA gun layer supply and return valve (HS576 & HS577) maintain its pressure at 1 Mpa (PC007) [Gr Pg - 04] 18. Gradually decrease the coal flow in MILL D (RC004), maintain the mill exit temperate within normal range by adjusting mill airflow (FC011 & TC030) [Gr Pg - 13] 19. Now decrease RC004 To minimum and stop the feeder (HS514), stop MILL D (HS508), close all its HAD, CAD, all MDV’s, feeder I/L, O/L & Seal air dampers [Gr Pg - 13] 20. Now close all the SADC dampers of MILL D [Gr Pg - 16] 152

21. start OA1 gun in AUTO and open its SADC AIR to 50% [Gr Pg - 16] 22. Gradually decrease the load to 350MW 23. Maintain SH & RH temperature above 520 DegC [Gr Pg - 02] 24. Gradually decrease the loading in ID,FD & PA fans According to Load [Gr Pg - 17] 25. Maintain the drum Level within range [Gr Pg - 02] 26. Gradually decrease the coal flow in MILL C (RC003), maintain the mill exit temperate within normal range by adjusting mill airflow (FC010 & TC029) [Gr Pg - 12] 27. Now decrease RC003 To minimum and stop the feeder (HS500), stop MILL C (HS494), close all its HAD, CAD, all MDV’s, feeder I/L, O/L & Seal air dampers [Gr Pg - 12] 28. Now close all the SADC dampers of MILL C [Gr Pg - 16] 29. start OA2 gun in AUTO and open its SADC AIR to 50% [Gr Pg - 16] 30. Reduce load to 200MW 31. At 180MW change-over from Ext-4 steam to Aux steam in Aux header [Gr Pg - 45] 32. At 180MW Change over Dearator from Ext-4 Steam to Aux Steam [Gr Pg - 26] 33. At 180MW change-over from 2 BFPT to 1 MD-BFP, maintain drum level within normal range and stop one CEP [Gr Pg - 32] 34. At 180MW CUT-OFF HP heaters a. Close Ext-1 steam valves (HS169 & HS170) [Gr Pg - 26] b. Close Ext-2 steam valves (HS212, HS165, HS166 & HS213) [Gr Pg - 26] c. Close Ext-3 steam valves (HS203, HS173, HS174 & HS204) [Gr Pg - 26] d. Then close drip valve (LC009 to LC011) to 0% [Gr Pg - 28] e. Open emergency drain valves (HS735, HS736 & LC008) [Gr Pg - 28] f. Then close water side valves (HS227 & HS228) [Gr Pg - 28] g. Observe axial shift is normal [Gr Pg - 41] h. After the extraction temp drops below 120DegC open all its drain valve (HS167, HS168, HS171, HS172, HS175 & HS176) [Gr Pg - 26] 35. Gradually decrease the air flow inside boiler using ID, FD & PA fans and maintain furnace pressure [Gr Pg - 17]

36. Gradually decrease the coal flow in MILL B (RC002), maintain the mill exit temperature within normal range by adjusting mill airflow (FC009 & TC028) [Gr Pg - 11] 37. Now decrease RC002 To minimum and stop the feeder (HS486), stop MILL B (HS480), close all its HAD, CAD, all MDV’s, feeder I/L, O/L & Seal air dampers [Gr Pg - 11] 38. Now close all the SADC dampers of MILL B [Gr Pg - 16] 39. At 80MW CUT-OFF LP heaters a. b. c. d. e. f. g.

Close Ext-5 steam valves (HS194 & HS195) [Gr Pg - 26] Close Ext-6 steam valves (HS198 & HS199) [Gr Pg - 26] Close Ext-7 steam valves (HS208 & HS209) [Gr Pg - 26] Close Ext-8 steam valves (HS207 & HS210) [Gr Pg - 26] Then close drip side valves (LC002 to LC007) to 0% [Gr Pg - 29] Open emergency drain valves (HS161 to HS164, HS737 & HS738) [Gr Pg - 29] Then Close water side valves (HS100, HS101, HS102, HS103, HS105 & HS106) [Gr Pg - 29] 153

h. Observe axial shift is normal [Gr Pg - 41] i. After the extraction temp drops below 120DegC open all its drain valve (HS193, HS196, HS197 & HS200) [Gr Pg - 26]

40. Gradually decrease the coal flow in MILL A (RC001), maintain the mill exit temperature within normal range by adjusting mill airflow (FC008 & TC027) [Gr Pg - 10] 41. Now decrease RC002 To minimum and stop the feeder (HS472), stop MILL A (HS466), close all its HAD, CAD, all MDV’s, feeder I/L, O/L & Seal air dampers [Gr Pg - 10] 42. Now close all the SADC dampers of MILL A [Gr Pg - 16] 43. Reduce the load below 40MW and change-over fro UT to ST close ST breaker HS844 and open UT breaker HS843 [Gr Pg - 51] 44. Decrease load below 20MW and trip the Boiler Using MFT PS (HS754), Turbine will tripin interlock [Gr Pg - 50] 45. Observe the Generator circuit breaker will open in AUTO else open it manually [Gr Pg - 51] 46. All the equipments in boiler and turbine will trip due to MFT command, normalize all the schemes 47. When the drum pr is below 0.2 Mpa open all the Vents and drains [Gr Pg - 02] 48. Maintain condenser level and Stop CEP A (PS34) [Gr Pg - 31] 49. Stop the APH A & B (HS360 & HS363) [Gr Pg - 17] 50. Close all LDO & HFO supply and return valves [Gr Pg – 04, 05] 51. Place all the controllers in manual and reduce it to 0% 52. Reduce Turbine gland steam to 0 Kpa and close its supply valve (HS149 & HS152) [Gr Pg - 27] 53. Start CO2 Purging in Generator by opening (HS713 & HS714) CO2 purity will increase and safely remove H2 from generator, when the purity is 98% Close all the valves [Gr Pg - 47] 54. Check all the schemes for abnormalities and take required action.

154

9 600MW THERMAL POWER PLANT MODEL-GRAPHICS STEAM DRUM AN DRAIN SYSTEM

SUPERHEATER & REHEATER SYSTEM

155

LDO (OA) ELEVATION OIL GUN SYSTEM

HFO (OB) ELEVATION OIL GUN SYSTEM

156

FLAME DETECTION SYSTEM

ALL MILL OVERVIEW

157

MILL A

BURNER SYSTEM

158

GAS AND AIR SYSTEM

SEAL AIR SYSTEM

159

ID FAN SYSTEM

FD FAN SYSTEM

160

PA FAN SYSTEM

ID FAN OIL SYSTEM

161

FD FAN OIL SYSTEM

PA FAN OIL SYSTEM

162

FURNACE SYSTEM

EXTRACTION STEAM SYSTEM

163

TURBINE GLAND STEAM SYSTEM

HP HEATER AND DRAIN SYSTEM

164

LP HEATER AND DRAIN SYSTEM

BFP-T STAEM AND WATER SYSTEM

165

CONDENSATE WATER SYSTEM

FEED-WATER SYSTEM

166

BFP-T PUMP PROPER SYSTEM

MD-BFP PUMP PROPER SYSTEM

167

BFPR-T A LUBE OIL SYSTEM

MAIN, REHEAT & BY-PASS SYSTEM

168

TURBINE EXTRACTION SYSTEM

TURBINE LUBE OIL SYSTEM

169

TURBINE TSI & METAL TEMP

OPEN CYCLE COOLING WATER SYSTEM

170

CLOSED CYCLE COOLING WATER SYSTEM

CIRCULATING WATER SYSTEM

171

AUXILIARY STEAM SYSTEM

GENERATOR STATOR COOLING WATER SYSTEM

172

GENERATOR HYDROGEN COOLING SYSTEM

GENERATOR SEAL OIL SYSTEM

173

EH OIL SYSTEM

DEH GOVERNING SYSTEM

174

MASTER CONTROL SYSTEM

GENERATOR SYSTEM

175

400KV BUS BAR SYSTEM

11KV ST BOARD 1A

176

11KV ST BOARD 1B

11KV UNIT BOARD 1A

177

11KV UNIT BOARD 1B

415V BMCC

178

415V TMCC

EMERGENCY MCC

179

ESP & APH BOARD

DIESEL GENERATOR

180

DC BATTERY BANK

EMERGENCY UPS

181

DM PLANT OVERVIEW

CATION EXCHANGER

182

ANION EXCHANGER

ANION EXCHANGER REGENERATION

183

MIXED BED REGENERATION

CATION EXCHANGER REGENERATION

184

FLY ASH HANDLING

BOTTOM ASH HANDLING

185

COAL UNLOADING

COAL DISTRIBUTION

186

10 600MW POWER PLANT MALFUNCTIONS S.No

Malfunction

Indication

Effects •

1

BFW Booster Pump-A Trip

BFW Booster Pump-A Trip Alarm

• • • • •

2

Condensate Pump-A Trip

Condensate Pump-A Trip Alarm

• • • •

3

BFW Pump-B Turbine Trip

BFW Pump-B Turbine Trip Alarm

• • • • • •

4

BFW Pump-C Trip

BFW Pump-C Trip Alarm

• • • • •

187

Rapid drop in drum level Rise in De-aerator level Continuous Drop in Feed Water d/p Drop in both HPHeater Drip level Rise in Drum Pressure Rapid Drop in Deaerator level Rise in Hot-well level Rapid drop in Vacuum Drop in all LPHeater Drip level Rapid drop in drum level Rise in De-aerator level BFPT casing temp will drop Continuous Drop in Feed Water d/p Drop in both HPHeater Drip level Rise in Drum Pressure Rapid drop in drum level Rise in De-aerator level Continuous Drop in Feed Water d/p Drop in both HPHeater Drip level Rise in Drum Pressure Drop in Motor winding & bearing temp

Actions •

Line up and Start Stand-by Feed Pump before Drum level Protection comes into action

•

Line up and Start Stand-by Condensate Pump before turbine getting tripped on low vacuum inside condenser

•

Line up and Start Stand-by Feed Pump before Drum level Protection comes into action

•

If BFPT is available then line up and start it. If BFPT is not available then rectify the problem in MD-BFP and start it before Drum level Protection comes into action

•

•

5

Boiler Cycle Pump B Trip

Boiler Cycle Pump B Trip Alarm

Sudden Rise and then drop in feed water and drum level Sudden drop in SH & RH Pressure Rise and then drop in SH & RH temp Drop in both HPHeater Drip level Drop in Feed Water Temperature Corresponding ID, FD & PA fan will trip Furnace pressure will fluctuate Air flow to boiler will drop suddenly O2 will immediately drop Sudden drop in SH & RH temperature Sudden drop in condenser vacuum Sudden drop in load Drum level will fluctuate Condenser inlet water pr will drop SH & RH temperature will increase

•

Line up and Start Stand-by Boiler cycle Pump before Drum level Protection comes into action

•

Line up and Start Stand-by APH Auxiliary motor Start tripped ID, FD & PA fan and normalize Gas & Air system

•

Rectify the problem in Tripped CWP and start it before Turbine vacuum Protection comes into action

•

Condenser level will drop

•

Line up and Start Stand-by pump

•

Sudden drop in condenser vacuum Sudden drop in load Drum level will fluctuate Pump winding temp will decrease SH & RH temperature will increase Furnace pr will fluctuate All Mill Exit temp will decrease

•

Line up and Start Stand-by pump before Turbine vacuum Protection comes into action

•

Stop Mill D & E and take 2 oil guns for support firing, decrease load to 400MW

• • • • •

6

APH Main Motor A Trip

APH Main Motor A Trip Alarm

• • • • •

7

Circulating Water Pump B Trip

Circulating Water Pump B Trip Alarm

• • • •

8

9

Make-up water Pump A Trip

Condenser Vacuum Pump B Trip

Make-up water Pump A Trip Alarm Condenser Vacuum Pump B Trip Alarm

• • • • •

10

PA FAN A Trip

PA FAN A Trip Alarm

•

188

•

• • •

• •

11

FD FAN A Trip

FD FAN A Trip Alarm

• • • •

•

12

ID FAN A Trip

ID FAN A Trip Alarm

• • • • •

•

13

Seal Air Fan A Trip

Seal Air Fan A Trip Alarm

• • • •

14

Scanner Air

Scanner Air Fan

•

189

APH O/L PA temp will drop APH O/L flue gas temp will fluctuate Sudden rise in SH & RH temperature

•

Furnace pr will fluctuate Sudden drop in Airflow and O2 One side inlet airflow will be zero APH O/L flue gas temp will fluctuate Sudden drop in load Sudden drop in SH & RH temperature

•

Furnace pr will fluctuate Sudden drop in Airflow and O2 One side inlet airflow will be zero APH O/L flue gas temp will fluctuate Sudden drop in load Sudden drop in SH & RH temperature

•

All mill seal air pr will drop Sudden drop in DP will trip all Mills Furnace pr will fluctuate Sudden drop in load Sudden drop in SH & RH temperature

•

Outlet air pr will drop

•

• •

• •

• •

• • • •

Maintain mill temp above 70C Maintain SH & RH temp Rectify the problem in Tripped PA Fan, start it and normalize all the systems Stop Mill C, D & E and take 2 oil guns for support firing, decrease load to 300MW Maintain SH, RH temp & Furnace Pr Rectify the problem in Tripped FD Fan, start it and normalize all the systems Stop Corresponding PA FAN, Mill C, D & E and take 2 oil guns for support firing, decrease load to 200MW Maintain SH, RH temp & Furnace Pr Rectify the problem in Tripped ID Fan and normalize all the systems Take oil guns for support firing Line up and Start Stand-by fan Take all mills into service Maintain SH, RH temp & Furnace Pr Normalize all the system and rise load Line up and Start Stand-by Scanner air fan before

Fan A Trip

A Trip Alarm

• •

15

Coal Feeder B Trip

Coal Feeder B Trip Alarm

• • • •

•

16

Coal Feeder E Trip

Coal Feeder E Trip Alarm

• • • •

•

17

Mill A Trip

Mill A Trip Alarm

• • • •

•

18

Mill F Trip

Mill F Trip Alarm

• • • •

190

Sudden drop in DP will trigger MFT in 30sec Coal feeder current will drop to zero Mill will trip in interlock Coal flow will decrease to 0 tons Mill exit temperature will increase Sudden drop in load

MFT acts in 30 sec • • • • •

Coal feeder current will drop to zero Mill will trip in interlock Coal flow will decrease to 0 tons Mill exit temperature will increase Sudden drop in load

•

Mill exit temp will decrease Mill all brg temp will decrease Mill current will drop to zero Sudden drop in load Sudden drop in SH & RH temperature

•

Mill exit temp will decrease Mill all brg temp will decrease Mill current will drop to zero Sudden drop in load Sudden drop in SH & RH temperature

•

• • • •

• • • •

• • • •

Take oil guns for support firing Line up and Start Stand-by Mill Close all the dampers in the tripped mill Maintain SH, RH temp & Furnace Pr Normalize all the system and rise load Take oil guns for support firing Line up and Start Stand-by Mill Close all the dampers in the tripped mill Maintain SH, RH temp & Furnace Pr Normalize all the system and rise load Take oil guns for support firing Line up and Start Stand-by Mill Close all the dampers in the tripped mill Maintain SH, RH temp & Furnace Pr Normalize all the system and rise load Take oil guns for support firing Line up and Start Stand-by Mill Close all the dampers in the tripped mill Maintain SH, RH temp & Furnace Pr Normalize all the system and rise

load •

19

Fire in Mill B

Mill B Temp will rise

• • • •

Mill exit temp will decrease Mill trips if temp rise above 100 DegC Mill current will drop to zero Sudden drop in load Sudden drop in SH & RH temperature

• • • • • •

•

20

Fire in Mill E

Mill E Temp will rise

• • • •

Mill exit temp will decrease Mill trips if temp rise above 100 DegC Mill current will drop to zero Sudden drop in load Sudden drop in SH & RH temperature

• • • • • •

•

21

Low GCV of Coal

Mill loading will increase

• • • • •

22

HP HTR 1 Ext Valve FAIL close

Sudden increases in load

• • • • • 191

Mill exit temp will decrease Mill motor current will increase Furnace`O2 will increase Sudden drop in load Sudden drop in SH & RH temperature Sudden increases in load Sudden increase in pressure before RCV Extraction Temp will drop Heater drip level will drop Drop in temp of drip O/L Sudden increases in

• •

Open mill fire protection MOV Take oil guns for support firing Line up and Start Stand-by Mill Close all the dampers in the tripped mill Maintain SH, RH temp & Furnace Pr Normalize all the system and rise load Open mill fire protection MOV Take oil guns for support firing Line up and Start Stand-by Mill Close all the dampers in the tripped mill Maintain SH, RH temp & Furnace Pr Normalize all the system and rise load Increase coal feeding to maintain load Maintain SH, RH temp & Furnace Pr

• • •

Open RCV Maintain drip level Normalize all the system

•

Charge from

23

Deaerator Ext Valve FAIL close

Sudden increases in load

• • • • •

24

LP HTR 6 Ext Valve FAIL close

Sudden increases in load

• • • •

25

HP HTR Bypass Valve FAIL open

Drop in feed water temperature

• • • • •

26

LP HTR 6 Bypass Valve FAIL open

Drop in feed water temperature

• • • • • •

27

EH oil Pump A Trip

EH oil Pump A Trip Alarm

• • •

•

AC Lube oil 192

load Sudden increase in pressure before RCV Extraction Temp will drop Heater drip level will drop Drop in temp of drip O/L Sudden increases in load Sudden increase in pressure before RCV Extraction Temp will drop Heater drip level will drop Drop in temp of drip O/L Sudden drop in load Drop in feed water temperature Heater drip level will drop increase in temp of drip O/L Increase in fuel consumption Sudden drop in load Drop in feed water temperature Heater drip level will drop increase in temp of drip O/L Increase in fuel consumption Sudden drop in EH oil Pressure HP stop valves will close Boiler side pr will increase Low EH oil Pr will trip Turbine

Drop in Turbine Lube oil Pressure

•

Auxiliary system Normalize all the system

• • •

Open RCV Maintain drip level Normalize all the system

•

Cut All HP HTR extraction lines Close its By-pass valve Charge HP HTR from low pr to high pr Normalize all the system Cut LP HTR extraction lines Open its By-pass valve Charge LP HTR Normalize all the system

• • • • • • •

• • • •

•

Open HP LP Bypass to 100% Line up and Start Stand-by EH oil pump Follow the Lightup Procedure from turbine rolling Normalize all the system and rise load Line up and Start

28

AC Lube oil Pump A Trip

Pump A Trip Alarm

DC Lube oil Pump A Trip

DC Lube oil Pump A Trip Alarm

• • •

29

30

MS L Stop valve fail close

Stop Valve close Alarm

• • • • • •

31

Turbine Control valve#1 fail close

CV1 will close fully

• • • •

32

Turbine Control valve#3 fail close

CV3 will close fully

• • • • •

33

H2 Side Seal Oil AC Pump A Trip

H2 Side Seal Oil AC Pump A Trip Alarm

H2 Side Seal Oil DC Pump A Trip

H2 Side Seal Oil AC Pump A Trip Alarm

• • •

34

• •

193

Stand-by DC LOP

Lube oil temp will increase Turbine brg tem will increase Drop in Turbine Lube oil Pressure Lube oil temp will increase Turbine brg tem will increase

•

Line up and Start Stand-by SOP

Sudden drop in Load Sudden Drop in SH pr and temp Sudden drop in Drum level Fluctuations in TSI parameter

•

Maintain drum level Stop Two mills in boiler side If turbine trips the follow Light-up Procedure from turbine rolling

Sudden drop in Load Sudden rise in SH pr and temp Sudden drop in Drum level Sudden drop in MS flow

•

Sudden drop in Load Sudden rise in SH pr and temp Sudden drop in Drum level Sudden drop in MS flow

•

Sudden drop in Seal Oil Header Pr Seal oil Pr will fluctuate Cooler O/L oil temp will drop

•

Line up and Start Stand-by Seal oil pump

Sudden drop in Seal Oil Header Pr Seal oil Pr will fluctuate Cooler O/L oil temp will drop

•

Line up and Start Stand-by Seal oil pump

• •

• •

• •

Immediately open CV4 in manual to 100% Maintain SH, RH temp & Pr Maintain Drum Level Immediately open CV4 in manual to 100% Maintain SH, RH temp & Pr Maintain Drum Level

•

35

Air Side Seal Oil AC Pump A Trip

Air Side Seal Oil AC Pump A Trip Alarm

• • •

36

Air Side Seal Oil DC Pump A Trip

Air Side Seal Oil AC Pump A Trip Alarm

• • •

37

Gen Stator cooling water Pump A Trip

Gen Stator cooling water Pump A Trip Alarm

• • •

38

Loss of excitation

Loss of excitation Alarm

• • • •

•

39

CEP Re-cir valve fail open

CEP Re-cir valve fail open Alarm

• • • •

40

CEP Re-cir valve fail close

CEP Re-cir valve fail close Alarm

• •

194

Sudden drop in Seal Oil Header Pr Seal oil Pr will fluctuate Cooler O/L oil temp will drop

•

Line up and Start Stand-by Seal oil pump

Sudden drop in Seal Oil Header Pr Seal oil Pr will fluctuate Cooler O/L oil temp will drop

•

Line up and Start Stand-by Seal oil pump

Sudden drop in Gen cooling water pr Gen O/L temp will increase GCW Pump flow will drop to zero

•

Line up and Start Stand-by Seal oil pump

Gen terminal voltage will drop to zero Gen will trip due to loss of excitation Boiler side pr will increase SH & RH temp will increase drum level will fluctuate

•

CEP discharge flow will increase Running CEP current will increase Deaerator level will decrease Hot-well level will increase

•

Open HP & LP By-pass to 100% Stop 2 mills Maintain Drum Level, SH, RH temp Build excitation again to 20 KV and re-synchronize again Normalize all the system and rise load Close CEP Re-cir valve Normalize the system

CEP discharge flow will decrease Running CEP current will decrease Deaerator level will increase

•

• • •

•

•

•

open CEP Re-cir valve if required Normalize the system

41

TDBFP-A Recir valve fail open

TDBFP-A Recir valve fail open Alarm

•

Hot-well level will decrease

•

Feed water flow will decrease TD BFP current & RPM will increase Deaerator level will increase Boiler drum level will decrease

•

Feed water flow will increase TD BFP current & RPM will decrease Deaerator level will decrease Boiler drum level will increase

•

Sudden increase in feed water flow Sudden drop in load Drop in SH & RH pressure Rise in SH & RH temp Drum level will increase

•

Sudden increase in feed water flow Drop in SH & RH pressure Rise in SH & RH temp Drum level will increase

•

Sudden increase in feed water flow Drop in SH & RH pressure Rise in SH & RH temp Drum level will increase

•

• • • •

42

TDBFP-A Recir valve fail close

TDBFP-A Recir valve fail close Alarm

• • • •

43

Drum Safety valve fail open

Drum Safety valve fail open Alarm

• • • • •

44

Drum Safety valve fail close

Drum Safety valve fail close Alarm

• • • •

45

Drum Safety valve Will not close

Drum Safety valve Failure alarm

• • •

195

• •

• •

• •

• •

• •

Close BFP Re-cir valve Adjust Boiler drum level control Normalize the system

Open BFP Re-cir valve if required Adjust Boiler drum level control Normalize the system

Close boiler drum safety valve Adjust Boiler drum level control Normalize all the system

Open boiler drum safety valve Adjust Boiler drum level control Normalize all the system

Close boiler drum safety valve Adjust Boiler drum level control Normalize all the system

•

46

Hot-well LC O/P Trans fails

Level controller fail in AUTO

• • • •

47

HPH 2 LC PV Trans fails

HPH 2 LC PV will stuck at 0

• • •

48

BFP FC O/P Trans fails

BFP FC O/P will stuck at 100

• • •

49

Dea LC PV Trans fails

Dea LC PV will stuck at 0

• • •

50

Steam Drum LC PV Trans fails

Steam drum LC PV will stuck at 0

• • •

51

52

Steam Drum LC PV Trans fails

Main Fuel Trip

Steam drum LC PV will stuck at 1

Main fuel trip alarm

• • • • • •

196

LC will not operate and will remain Hot-well level will fluctuate Controller action fails Hot-well level will decrease

•

LC will not read Present value of controller HPH level will fluctuate Controller action fails

•

FC will not respond to the controller error calculation Feed-water flow will fluctuate Controller action fails

•

LC will not read Present value of controller Deaerator level will fluctuate Controller action fails

•

LC will not read Present value of controller Steam drum level will fluctuate Controller action will not be reflected

•

LC will not read Present value of controller Steam drum level will fluctuate Controller action will not be reflected

•

All mill will trip All fans will trip Turbine will trip All main parameters will fluctuate

•

•

•

•

•

•

•

• •

Take controller in manual and control the level Normalize all the system

Take controller in manual and control the level Normalize all the system

Take controller in manual and control the level Normalize all the system

Take controller in manual and control the level Normalize all the system

Take controller in manual and control the level Normalize all the system

Take controller in manual and control the level Normalize all the system

Open HP & LP By-pass Maintain drum level Close both side

• •

53

Generator Trip

Generator Trip alarm

• • •

197

MW will drop to zero Boiler Pr will increase Turbine speed will increase All main parameters will fluctuate

• • • •

MSSV Start light-up procedure Open HP & LP By-pass Maintain drum level Close both side MSSV Start light-up procedure

11 600MW POWER PLANT DISTURBANCES S.No

Disturbance

Indication

Effects •

1

Ambient Temperature

Rise in Ambient temperature

• • • • •

2

Relative humidity

Rise in Relative humidity • • •

3

4

Coal Surface Moisture

Grid Frequency

Increase in coal moisture content

• • •

Grid Frequency fluctuates

• • • •

5

Power Factor

Change in Power Factor

6

Condenser B Air leak

Vacuum drop in condenser

• • • • • •

198

Inlet temp of all fans will increase In-turns affect all the temp in all the schemes O2 level will increase Load will decrease SH & RH temp will fluctuate APH I/L SA temp, Exit Flue gas temp & SH & RH temp will increase & then drop O2 will increase Furnace temp will drop Drop in Mill exit temp Drop in furnace temp Increase in air flow Increase in O2 content Load will decrease Grid frequency will increase Turbine speed will rise TSI parameters will be disturbed Change in Power factor MVAR will change TSI parameters will be disturbed Condenser vacuum will drop Load will decrease Feed-water consumption will increase

Actions •

If required take controller in manual mode and control main parameters and maintain 600MW

•

Take controller in manual mode and control main parameters and maintain full load

•

Increase hot air flow to mill Maintain mill exit temp Increase coal flow Maintain full load

• • • •

Slowly adjust the control valve to decrease turbine speed

•

Adjust AVR to maintain power factor

•

Start Stand-by vacuum pump Decrease load to 400MW and maintain vacuum

•

Condenser A Cir water tube leak

Sudden rise in Hot-well level

Condenser B Cir water tube fouling

Sudden drop in Hot-well level

Condenser A Cir water Tube plugging

Sudden rise in condenser temp

10

Condenser polisher fouling

Sudden rise in CEP dis Pr

11

HPH 1 tube leak

Sudden rise in HPH 1 level

7

8

9

• • •

• • • • • • • • • • • • •

12

LPH 5 tube leak

Sudden rise in LPH 5 level

• • • •

13

LPH 6 tube fouling

Sudden rise in LPH 6 level

• • • •

199

Sudden rise in Hotwell level Load will decrease TSI parameters will be disturbed

•

Sudden drop in Hot-well level Condenser temp will increase Condenser vacuum will decrease

•

Sudden rise in condenser temp Condenser vacuum will decrease Load will decrease

•

Sudden rise in CEP pr Drop in CEP flow Condenser vacuum will decrease Sudden rise in HPH 1 level Increase in HPH pr Feed-water flow will decrease Drum level will fluctuate Sudden rise in LPH 5 level Increase in LPH pr Feed-water flow will decrease Drum level will fluctuate Sudden drop in LPH 6 level Increase in LPH temperature Feed-water flow will decrease Drum level will fluctuate

•

• •

•

•

• • •

• •

• •

Start Stand-by vacuum pump Decrease load and maintain vacuum Take proper shut down of turbine and arrest leakage Maintain hot-well level Take proper shut down with smoke test identify the fouling and rectify it (not simulated) Start Stand-by vacuum pump Take proper shut down with smoke test identify the plugging and rectify it (not simulated) Isolate polishing unit Normalize all the parameters Isolate HPH from steam side and water side Maintain SH & RH temp

Isolate LPH from steam side and water side Maintain SH & RH temp

Isolate LPH from steam side and water side With smoke test identify the fouling and rectify it (not simulated)

14

HPH 3 tube fouling

Sudden rise in HPH 3 level

• • • • •

15

Economizer tube leak

Rise in exit flue gas temp

• • • • •

16

Economizer soot

Boiler performance will decrease

• • • • •

17

Water-wall tube leak

Rise in exit flue gas temp

• • • • •

18

Water-wall soot

Boiler performance will decrease

• • • •

200

Sudden drop in HPH 3 level Increase in HPH temperature Feed-water flow will decrease Drum level will fluctuate Sudden rise in feedwater flow Increase in exit flue gas temp Furnace pr will fluctuate Drum level will fluctuate SH & RH temp will decrease Sudden rise in O2 content Increase in exit flue gas temp Furnace pr will fluctuate Drum level will fluctuate SH & RH temp will decrease Sudden rise in feedwater flow Increase in exit flue gas temp Furnace pr will fluctuate Drum level will fluctuate SH & RH temp will decrease Sudden rise in O2 content Increase in exit flue gas temp Furnace pr will fluctuate Drum level will fluctuate SH & RH temp will decrease

• •

• •

• •

• •

• •

Isolate HPH from steam side and water side With smoke test identify the fouling and rectify it (not simulated) Take proper shut down of boiler Identify leakage and rectify it (not simulated)

Adjust air flow inside boiler Do proper soot blowing in boiler to remove soot

Take proper shut down of boiler Identify leakage and rectify it (not simulated)

Adjust air flow inside boiler Do proper soot blowing in boiler to remove soot

•

19

Final SH soot

Boiler performance will decrease

• • • • •

20

Re-heater soot

Boiler performance will decrease

• • • • •

21

APH A sec air leak

Rise in exit flue gas temp At APH A section

• • • • • •

22

APH gas zone soot

Decrease in APH O/L hot air temp

• • • • •

23

Coal Feeder A Plugging

Decrease in coal flow

• •

201

Sudden rise in O2 content Increase in exit flue gas temp Furnace pr will fluctuate Drum level will fluctuate SH & RH temp will decrease Sudden rise in O2 content Increase in exit flue gas temp Furnace pr will fluctuate Drum level will fluctuate SH & RH temp will decrease Increase in exit flue gas temp on A-side Decrease in exit flue gas temp on Bside Increase in ID & FD fan loading Furnace pr will fluctuate B-side flue gas flow will increase SH & RH temp will increase Increase in APH O/L flue gas temp Decrease in APH O/L hot air temp Furnace pr will fluctuate B-side flue gas flow will increase SH & RH temp will decrease Coal flow will decrease Mill Exit temp will increase Furnace pr will fluctuate

• •

• •

• • •

Adjust air flow inside boiler Do proper soot blowing in boiler to remove soot

Adjust air flow inside boiler Do proper soot blowing in boiler to remove soot

Reduce load to 300MW Isolate A-side air path Stop ID FD & PA A Identify air leak and rectify it

•

Do proper soot blowing in APH to remove soot

•

Maintain mill exit temp with help of cold air Take stand-by mill in service and stop plugging feeder and mill

•

• • •

24

Coal Feeder D Plugging

Decrease in coal flow

• • • • •

25

Coal Mill B Plugging

Mill motor loading will increase

• • • • • •

26

Coal Mill E Plugging

Mill motor loading will increase

• • • •

27

HP rotor high eccentricity

Sharp rise in eccentricity

• • • •

28

High Differential expansion

Sharp rise in DEH

• • • • 202

SH & RH temp will decrease O2 will increase

•

Normalize all parameters

Coal flow will decrease Mill Exit temp will increase Furnace pr will fluctuate SH & RH temp will decrease O2 will increase

•

Maintain mill exit temp with help of cold air Take stand-by mill in service and stop plugging feeder and mill Normalize all parameters

Total air flow will decrease Motor loading will increase Mill Exit temp will increase Furnace pr will fluctuate SH & RH temp will decrease O2 will increase Total air flow will decrease Motor loading will increase Mill Exit temp will increase Furnace pr will fluctuate SH & RH temp will decrease O2 will increase Sharp rise in eccentricity Disturbance in TSI parameter Check all vibrations in turbine

•

Sharp rise in DEH Disturbance in TSI parameter Turbine will trip if out of limit Brg temp will

•

•

•

•

•

• •

•

• • •

• •

Maintain mill exit temp with help of cold air Take stand-by mill in service and stop plugging feeder and mill Normalize all parameters

Maintain mill exit temp with help of cold air Take stand-by mill in service and stop plugging feeder and mill Normalize all parameters

Decrease SH pressure , reduce stress in turbine Monitor all the vibrations If goes out of limit trip the turbine Decrease SH pressure , reduce stress in turbine Monitor all the vibrations If goes out of limit

increase

29

Thrust brg High Vib

Rise in thrust brg temp

• • •

30

Brg 3 lube oil leak

Increase in brg 3 MET temp

• • • •

31

Brg 6 lube oil leak

Increase in brg 6 MET temp

• • • •

32

33

Generator H2 leak

Generator Seal oil leak

Decrease in H2 pressure

Decrease in seal oil pressure

• • • • • •

34

BFP A turbine speed Transmitter fault

Wrong speed indication of turbine

• • • •

203

trip the turbine manually

Front & rear brg MET temp will increase Disturbance in TSI parameter Turbine will trip if out of limit

•

Increase in brg 3 MET temp Disturbance in brg temp Turbine will trip if out of limit Vibration will fluctuate Increase in brg 6 MET temp Disturbance in brg temp Turbine will trip if out of limit Vibration will fluctuate Decrease in H2 pressure Purity of H2 will decrease Flow will decrease Decrease in seal oil pressure Header DP will not maintain Seal oil temp will increase

•

Feed-water flow will fluctuate Drum level will fluctuate Load will not be stable BFP dis Pr will increase

•

• •

• •

• • •

• • • • •

•

Decrease SH pressure Decrease lube oil temperature Maintain turbine lube oil pressure Increase lube oil pressure Decrease lube oil temperature Trip turbine and identify leakage spot

Increase lube oil pressure Decrease lube oil temperature Trip turbine and identify leakage spot

Immediately trip generator and turbine Identify leak and arrest it Start stand-by pump and maintain pr If leakage is high trip generator & turbine Identify leak and arrest it Take BFP turbine control in manual and maintain drum level & feed-water flow Normalize all the parameters

35

Feeder B speed Trans fault

Speed control will not work in AUTO

• • • •

36

Feeder D speed Trans fault

Speed control will not work in AUTO

• • • •

204

Coal flow will not change Controller action will not reflect in speed Load will not be stable Mill exit temp will fluctuate

•

Take feeder speed control in manual and maintain load and all parameters

Coal flow will not change Controller action will not reflect in speed Load will not be stable Mill exit temp will fluctuate

•

Take feeder speed control in manual and maintain load and all parameters

12 GLOSSARY BFP TDBFP MDBFP CEP CWP OCCWP CCCWP GCW LOP JOP MOP ID FAN FD FAN PA FAN APH SCAPH IGV VFD FGD AST SA ESP LP HP IP EH DEH FW MS LDO HFO MFT FRS SH RH BP DP DFT DEFT CRH HRH HPW BFW MSV CV

-

BOILER FEED PUMP TURBINE-DRIVEN BOILER FEED PUMP MOTOR-DRIVEN BOILER FEED PUMP CONDENSATE EXTRACTION PUMP CIRCULATING WATER PUMP OPEN CYCLE COOLING WATER PUMP CLOSED CYCLE COOLING WATER PUMP GENERATOR COOLING WATER LUBE OIL PUMP JACKING OIL PUMP MAIN OIL PUMP INDUCED DRAFT FAN FORCED DRAFT FAN PRIMARY AIR FAN AIR PRE-HEATER STEAM COIL AIR PRE-HEATER INLET GUIDE VANE VARIABLE FREQUENCY DRIVE FLUE GAS DUCT AUXILLARY STEAM SECONDARY AIR ELECTROSTATIC PRECIPITATOR LOW PRESSURE HIGH PRESSURE INTERMEDIATE PRESSURE ELECTRO-HYDRAULIC DIGITAL ELECTRO-HYDRAULIC FEED WATER MAIN STEAM LIGHT DIESEL OIL HIGH FURNACE OIL MASTER FUEL TRIP FEED-WATER REGULATING STATION SUPERHEATED STEAM REHEATED STEAM BOOSTER PUMP DIFFERENTIAL PRESSURE DRAIN FLASH TANK DRAIN EMERGENCY FLASH TANK COLD REHEAT STEAM HOT REHEAT STEAM HIGH PRESSURE WATER BOILER FEED WATER MAIN STOP VALVE GOVERNING CONTROL VALVE 205

CRV RSV AVR PT CT ST UAT GT

-

REHEATER CONTROL VALVE REHEATER STOP VALVE AUTOMATIC VOLTAGE REGULATOR POTENTIAL TRANSFORMER CURRENT TRANSFORMER STATION TRANSFORMER UNIT AUXILLARY TRANSFORMER GENERATOR TRANSFORMER

13 LEGENDS

-

EXHAUST/COOLING FAN

-

DRAFT FAN

-

PUMP

-

MOTOR

-

MOTORISED VALVE

-

CONTROL VALVE

-

SHUT-OFF VALVE

-

3-WAY VALVE

-

4-WAY VALVE

-

FOD

206

-

SAFTEY VALVE

-

MANUAL VALVE

-

OIL GUN

-

IGNITER

-

FLAME

-

3-WAY DAMPER

-

2-WAY DAMPER

-

MOTORISED DAMPER

-

HEAT EXCHANGER

-

HEATER

-

FILTER

-

AIR FILTER

-

COOLER

-

FLOW METER

207

-

LEVEL INDICATOR

-

ATTEMPERATOR

-

HP HEATER

-

STORAGE TANK / ACCUMULATOR

-

COUPLING

-

OIL STRAINER

-

ISOLATOR

-

CIRCUIT BREAKER

-

GENERATOR

-

TRANSFORMER

-

AUTOMATIC VOLTAGE REGULATOR

208

-

EXCITER

209