Gt6b Auxiliary.pdf

GE Energy Products – Europe Rev. : A Page : 2/4

OPERATION AND MAINTENANCE MANUAL

DESCRIPTION

2.

GAS TURBINE AUXILIARY SYSTEMS FOREWORD The gas turbine auxiliaries include all the different systems to run the machine such as lubricating oil, fuel, cooling water, etc… They are installed on site according to two different configurations : • Components installed on the accessory base with a link to the turbine shat. • Components installed on separate modules without link to the turbine shaft. Here below is a simplified view of accessory base:

Cranking motor

Accessory gearbox

Left side

Rear

Front

Lube oil heat exchanger Lube oil tank

Right side

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OMMD_AUX_6B_E0643_EN

Revision: A

Date: 11/2007

GE Energy Products – Europe Rev. : A Page : 3/4

OPERATION AND MAINTENANCE MANUAL

DESCRIPTION

Auxiliary’s description is established in this volume not according to geographical component position but following the Piping and Instrumentation Diagram (P&ID’s) listed in the Device Summary. The main reference documents related to the system’s description are: • The Piping and Instrumentation Diagram (P&ID). • The Device Summary. • The Control Specification. Those documents are located in the chapter Drawings of the Turbine volume. Piping and Instrumentation Diagram: General Electric Engineering uses specific item codes for gas turbine drawings and components. P&ID’s are identified by four digits code between 0415 and 0499. Those MLI (Model List Item) codes are listed in the Device summary. A Piping and Instrumentation Diagram shows all components related to a functional system. Notes : written notes on the P&ID’s are useful for the reader. Device Summary: This document give: • The list of the Gas Turbine P&ID’s. • The P&ID’s component list including codes, characteristics and settings. Component codes are defined according to IEEE standard. Control specification: This document gives all the Speedtronic® constants setting, including the thresholds used to process the analogical signal given by the transducers listed in the Device summary. Description of the main control sequences are also included.

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OMMD_AUX_6B_E0643_EN

Revision: A

Date: 11/2007

GE Energy Products – Europe Rev. : A Page : 4/4

OPERATION AND MAINTENANCE MANUAL

DESCRIPTION

SYSTEM DESCRIPTION System’s description refers to and follows the P&ID list included in the Device Summary. Each description chapter includes: 1

Definition Lists the functions of the system.

2

Component function Lists the components and there functions.

3

Additional information Gives instructions or information related to the system.

To better understand the system description, please refer to the relevant P&ID.

TRAINING This handbook gives relevant information to understand auxiliaries’ principle. General Electric provides Customer specific training, in house or on site, related to gas turbine operation and maintenance. Please contact your nearest GE Customer Center for more information.

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OMMD_AUX_6B_E0643_EN

Revision: A

Date: 11/2007

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/3

DESCRIPTION

TURBINE CONTROL DEVICES SYSTEM 1

DEFINITION

Turbine and compressor control and protection sensors are grouped as a single system including : • • • • • • •

Turbine speed sensors Ignition transformers, spark plugs and flame detectors Vibrations sensors Compressor temperature measurement Turbine cooling temperature measurement Exhaust temperature measurement Turbine bearings oil and metal temperature measurement

2

COMPONENT FUNCTION

28FD-1S

Detects flame in secondary zone of combustion chamber n°1.

28FD-2P

Detects flame in primary zone of combustion chamber n°2.

28FD-2S

Detects flame in secondary zone of combustion chamber n°2.

28FD-3P

Detects flame in primary zone of combustion chamber n°3.

28FD-7P

Detects flame in primary zone of combustion chamber n°7.

28FD-8P

Detects flame in primary zone of combustion chamber n°8.

28FD-8S

Detects flame in secondary zone of combustion chamber n°8.

28FD-9S

Detects flame in secondary zone of combustion chamber n°9.

39V-1A

Measures vibrations on the hat of bearing n°1.

39V-1B

Measures vibrations on the hat of bearing n°1.

39V-2A

Measures vibrations on the flange of oil return piping of bearing n°2.

39V-2B

Measures vibrations on the hat of bearing n°2.

39VS-11

Measures the movement of the rotor in the plan X,Y of bearing n°1

39VS-12

Measures the movement of the rotor in the plan X,Y of bearing n°1.

39VS-21

Measures the movement of the rotor in the plan X,Y of bearing n°2.

39VS-22

Measures the movement of the rotor in the plan X,Y of bearing n°2.

77HT-1

Measures shaft line speed specific circuit of overspeed.

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GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

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DESCRIPTION

77HT-2

Measures shaft line speed specific circuit of overspeed.

77HT-3

Measures shaft line speed specific circuit of overspeed.

77NH-1

Measures the shaft line speed.

77NH-2

Measures the shaft line speed.

77NH-3

Measures the shaft line speed.

77RP-1

Detects the shaft position.

95SG-1

Provides high voltage for ignition.

95SG-10

Provides high voltage for ignition.

95SP-1

Realizes ignition of combustion.

95SP-10

Realizes ignition of combustion.

96VC-11

Measures the axial movement of the turbine rotor.

96VC-12

Measures the axial movement of the turbine rotor.

BT-J1-1A,1B

Measures temperature of Bearing bushing n°1.

BT-J1-2A,2B

Measures temperature of Bearing bushing n°1.

BT-J2-1A,1B

Measures temperature of Bearing bushing n°2.

BT-J2-2A,2B

Measures temperature of Bearing bushing n°2.

BT-TA-1A,1B

Measures temperature of pad n°1 of thrust bearing n°1.

BT-TA-2A,2B

Measures temperature of pad n°2 of thrust bearing n°1.

BT-TI-1A,1B

Measures temperature of pad n°1 of counter thrust bearing n°1.

BT-TI-2A,2B

measures temperature of pad n°2 of counter thrust bearing n°1.

CT-DA-1

Measures air temperature of the outlet of compressor.

CT-DA-2

Measures air temperature of the outlet of compressor.

CT-IF-1

Measures air temperature of the inlet of compressor.

CT-IF-2

Measures air temperature of the inlet of compressor.

TT-WS1AO-1

Measures wheel space temperature, external position after first wheel.

TT-WS1AO-2

Measures wheel space temperature, external position after first wheel.

TT-WS1FI-1

Measures wheel space temperature, internal position before first wheel.

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DESCRIPTION

TT-WS1FI-2

Measures wheel space temperature, internal position before first wheel.

TT-WS2AO-1

Measures wheel space temperature, external position after second wheel.

TT-WS2AO-2

Measures wheel space temperature, external position after second wheel.

TT-WS2FO-1

Measures wheel space temperature, external position before second wheel.

TT-WS2FO-2

Measures wheel space temperature, external position before second wheel.

TT-WS3AO-1

Measures wheel space temperature, external position after third wheel.

TT-WS3AO-2

Measures wheel space temperature, external position after third wheel.

TT-WS3FO-1

Measures wheel space temperature, external position before third wheel.

TT-WS3FO-2

Measures wheel space temperature, external position before third wheel.

TT-XD-1 to 18

Measures temperature of GT exhaust.

3

ADDITIONAL INFORMATION

Gas turbine speed : Magnetic pick up sensors measure the pulse given by the toothed wheel fitted at compressor shaft front end. The frequency in Hz is equal to the speed in RPM due to the 60 tooth of the wheel. Vibration measurements : Seismic sensors and proximity probes measure the shaft vibrations. The vibration map after commissioning load tests represents the original vibration signature. Gas turbine cooling : Gas turbine cooling is monitored by wheel space thermocouples. Two thermocouples situated at the same wheel space level should measure similar temperature. A temperature difference between two thermocouples in the same wheel space, detected by the Speedtronic® , represents a cooling fault or a measurement fault which must be analysed and rectified quickly. Gas turbine exhaust temperature : TT-XD thermocouples measure gas turbine exhaust temperature. An exhaust spread, detected by the Speedtronic® , represents a combustion fault or a measurement fault and must be analysed and rectified quickly.

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DRAWINGS - TURBINE CONTROL DEVICES SYSTEM PART

NOMENCLATURE

1

28FD-2P, 3P, 7P, 8P Primary flame detector – combustion chambers # 2, 3, 7 & 8

2

28FD-1S, 2S, 8S, 9S Secondary flame detector – combustion chambers # 1, 2, 8 & 9

3

39V-1A, 1B

Vibration sensor # 1 bearing

4

39V-2A, 2B

Vibration sensor # 2 bearing

5

39VS-11, 12

Vibration sensor

6

39VS-21, 22

Vibration sensor

7

77HT-1 to 3

Speed sensor

8

77NH-1 to 3

Speed sensor

9

77RP-1

Vibration sensor

10

95SG-1, 10

Ignition transformer for 95SP-1, 10

11

95SP-1, 10

Spark plug – combustion chambers # 1, 10

12

96VC-11, 12

Vibration sensor

13

BT-J1-1A, 1B

Dual thermocouple temperature journal bearing n° 1

2A, 2B 14

Dual thermocouple temperature journal bearing n° 2

BT-J2-1A, 1B 2A, 2B

15

Dual thermocouple temperature pad n°1 and n°2 of thrust bearing

BT-TA-1A, 1B 2A, 2B

16

Dual thermocouple temperature pad n°1 and n°2 of counter thrust bearing

BT-TI-1A, 1B 2A, 2B

17

CT-DA-1, 2

Thermocouple temperature compressor air outlet

18

CT-IF-1, 2

Thermocouple temperature compressor air inlet

19

TT-WS1A0-1, 2

Thermocouple temperature external position after first wheel

20

TT-WS1FI-1, 2

Thermocouple temperature internal position before first wheel

21

TT-WS2A0-1, 2

Thermocouple temperature ext. position after second wheel

22

TT-WS2F0-1, 2

Thermocouple temperature ext. position before second wheel

23

TT-WS3A0-1, 2

Thermocouple temperature external position after third wheel

24

TT-WS3F0-1, 2

Thermocouple temperature external position before third wheel

25

TT-XD-1 to 18

Thermocouple temperature exhaust gas difusser

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DRAWINGS - TURBINE CONTROL DEVICES SYSTEM -

C A G B

D

D

VIEW E AND F

H

A G C

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N° OMMDR_0415_6B_01_EN

GE Energy Products - Europe CHAMBER 10 28FD-9S

OPERATION AND MAINTENANCE MANUAL CHAMBER 1

2

2

Page :

3/6

28FD-1S

2 28FD-8P

A

DRAWINGS

2 28FD-8S

Rev :

- TURBINE CONTROL DEVICES SYSTEM -

28FD-2S

1 1

28FD-2P

A-1

28FD-7P

1

1

28FD-3P

CHAMBER 3

10 95SG-1, 10 11 95SP-1, 10

SECTION A-A – VIEW LOOKING DOWNSTRAM – CHAMBER COMBUSTION

SECTION A-1

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GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL C

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DRAWINGS - TURBINE CONTROL DEVICES SYSTEM BT-TA-1A, 1B

BT-TA-2A, 2B

15

15

BT-J1-1A, 1B

13

BT-J1-2A, 2B

SECTION C1

13

C-5

BEARING 1 - HALF SECTION 6

C1

39VS-21, 22

SECTION C3 BT-J2-2A, 2B

14

C2 C3

39VS-11,12

5

SECTION C-4

14 BT-J2-1A, 1B C-4

VIEW E

VIEW C

16

BT-TI1-1A, 1B

BT-TI1-2A, 2B

SECTION C-2

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GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL 77NH-1

8

7

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DRAWINGS

77HT-1

- TURBINE CONTROL DEVICES SYSTEM -

77NH-2

8

7

77HT-2

77NH-3

8

7

77HT-3

SECTION C-C

77RP-1

9

12

96VC-12 BEARING 1

BEARING 2

39V-1A

3

12

96VC-11

4

39V-2A

4

39V-2B

3 39V-1B

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GE Energy Products - Europe TT-XD-18 25 TT-XD-17

25 TT-XD-1

25

OPERATION AND MAINTENANCE MANUAL 25 TT-XD-2

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DRAWINGS 25 TT-XD-3

TT-XD-16

- TURBINE CONTROL DEVICES SYSTEM -

25

TT-XD-15

TT-WS3A0-2 TT-XD-14

25 TT-XD-4

25 23

25 TT-XD-5 23 TT-WS3A0-1

25

TT-WS2F0-1

TT-WS1A0-2

19

22 TT-XD-13

TT-XD-12

25 TT-XD-6

25 25

TT-XD-11

25 TT-XD-10

25

25 TT-XD-7

TT-WS1A0-1 19

22 TT-WS2F0-2

25 TT-XD-8

TT-WS2A0-1 21

17 CT-DA-2

25 TT-XD-9

21 TT-WS3F0-1

24 C

CT- DA -1

17

24 TT-WS3F0-2

TT-WS2A0-2

VIEW F VIEW B

CT-IF-1 18

20

TT-WS1FI-1 20

TT-WS1FI-2

18

CT-IF-2

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DESCRIPTION

LUBRICATING OIL SYSTEM 1

DEFINITION

The lube oil system is designed for insuring the following functions : • • • •

To lubricate the shaft line including accessory and load gear box To provide oil for the Hydraulic system To provide oil for the Trip oil system To provide oil for the ratchet system

The lubricating oil system is a close loop where oil flow is built up from the oil tank by : • A shaft driven main pump • An Alternative Current motor driven auxiliary pump for starting and shutdown sequences • A Direct Current motor driven emergency pump for emergency shutdown and black start Lubricating oil conditioning includes : • • • •

Oil flow cooling down to evacuate heat from the bearings Oil flow filtering Oil Header Pressure regulating at constant pressure Redundant Oil mist elimination

Bearings feeding and return lines are concentric lines, feeding line is installed in return line. The lubricating oil flows back in the tank by gravity. Part of the gas turbine bearing sealing air provided by the compressor returns with the oil in the oil tank and is evacuated to the atmosphere through the oil mist eliminator. 2

COMPONENT FUNCTION

23QA

Prevents motor from internal condensation while not running.

23QV-1,2

Prevents motor from internal condensation while not running.

63QA-2

Detects the low lube oil pressure.

63QQ-1

Detects the clogging of lube oil filter.

63QQ-10

Detects low performance of oil mist eliminator.

63QT-2A

Detects the low lube oil pressure.

63QT-2B

Detects the low lube oil pressure.

71QH-1

Detects the lube oil high level in the lube oil tank.

71QL-1

Detects the lube oil low level in the lube oil tank.

88QA

Drives the auxiliary lube oil pump.

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DESCRIPTION

88QE-1

Drives the emergency lube oil pump.

88QV-1,2

Drives the oil mist eliminator fan.

96QA-2

Measures the lube oil pressure.

96QV-1

Measures the air pressure in the lube oil tank.

LT-B1D-1A,1B

Measures the lube oil #1 bearing drain temperature.

LT-B2D-1

Measures the lube oil #2 bearing drain temperature.

LT-BT1D-1A,1B Measures the lube oil #1 bearing drain temperature. LT-G1D-1A,1B

Measures the lube oil #1 generator bearing drain temperature.

LT-G2D-1A,1B

Measures the lube oil #2 generator bearing drain temperature.

LT-OT-1A

Measures the lube oil temperature in the tank.

LT-OT-2A

Measures the lube oil temperature in the tank.

LT-TH-1

Measures the lube oil header temperature.

LT-TH-2

Measures the lube oil header temperature.

LT-TH-3

Measures the lube oil header temperature.

VCK20-13

Regulates the oil tank vacuum pressure.

VPR2-1

Regulates the lube oil header pressure.

VR1

Protects the lube oil system against overpressure.

3

ADDITIONAL INFORMATION

Auxiliary and emergency pump test : A test valve associated with a push button valve connected upstream the VPR2-1 regulating valve allows testing sequence of both pumps while the gas turbine is running. When the test is completed and the test valve closed, auxiliary pump stops automatically, the emergency pump needs a stop order at the MCC panel to stop. The auxiliary and emergency pump test must be demonstrated once a month. Oil sampling : Two valves connected both sides of the filter allows filtered oil and not filtered oil sampling. Oil characteristics must be checked once every three months. Oil flowing : Sight glasses are fitted at filter vent, cooler vent, bearing return lines. They allow the operator to check oil flowing, especially after manual operation related to those components.

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DESCRIPTION

Oil characteristics : Lubricating oil characteristics must comply to GEK 28143.

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DRAWINGS - LUBRICATING OIL SYSTEM PART

NOMENCLATURE

1

23QA

Anti-condensation heater for motor 88QA

2

23QV-1, 2

Anti-condensation heater for motor 88QV-1, 88QV-2

3

63QA-2

Low lube oil pressure alarm

4

63QQ-1

Differential pressure switch main lube oil filter

5

63QQ-10

Oil mist eliminator filter high pressure drop alarm

6

71QH-1

High level lube oil tank

7

71QL-1

Low level lube oil tank

8

88QA

Auxiliary lube oil pump motor

9

88QE-1

Emergency lube oil pump

10

88QV-1, 2

Lube oil mist eliminator motor

11

96QA-2

Lube oil header pressure transmitter

12

96QV-1

Tank’s air vacuum differential pressure transmitter

13

LT-B1D-1A, 1B

Lube oil thermocouple # 1 bearing drain

14

LT-B2D-1

Lube oil thermocouple # 2 bearing drain

15

LT-BT1D-1A, 1B

Lube oil thermocouple # 1 bearing thrust drain

16

LT-OT-1A

Lube oil tank resistance temperature low detector

17

LT-OT-2A

Lube oil tank resistance temperature normal detector

18

LT-TH-1, 2, 3

Lube oil temperature turbine header thermocouple

19

VCK20-13

Lube mist eliminator check valve

20

VPR2-1

Lube oil header pressure regulator valve

21

VR1

Main hydraulic supply pump pressure relief valve

22

Lube oil exchanger

23

Main lube oil filter

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GE Energy Products - Europe A

UNIT AXIS ACCESSORY GEAR

OPERATION AND MAINTENANCE MANUAL

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DRAWINGS - LUBRICATING OIL SYSTEM -

H D ELEVATION VIEW 71QH-1 SEE VIEW E

6

H 23QA

1

71QL-1

7

23

UNIT AXIS ACCESSORY GEAR

8 88QA

22 VIEW E

VPR2-1

VR1

21

20 UNIT AXIS

9 88QE-1

VIEW D

MIST ELIMINATOR VIEW

VIEW H

J PANEL INSTRUMENTATION – SEE VIEW C

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DRAWINGS - LUBRICATING OIL SYSTEM -

23QA

1

88QA

8

LT-OT-1A

16

17 LT-OT-2A

VIEW J - TURBINE LUBE HEAT ASSEMBLY

AUXILIARY LUBRIFICATION PUMP ASSEMBLY

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DRAWINGS - LUBRICATING OIL SYSTEM -

4

63QQ-1

11

96QA-2

3

63QA-2

VIEW C – PANEL INSTRUMENTATION

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DRAWINGS - LUBRICATING OIL SYSTEM -

LT-B2D-1 14

REMOVABLE THERMOCOUPLE ARRANGEMENT

LT-BT1D-1A, 1B

15

13

LT-B1D-1A, 1B

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DRAWINGS - LUBRICATING OIL SYSTEM -

23QV-2

2

88QV-1 10 23QV-1

2

88QV-1

10

12 96QV-1

5 18

63QQ-10

LT-TH-1, 2, 3

TURBINE LUBE SYSTEM – ISOMETRIC VIEW

OIL MIST ELIMINATOR

VCK20-13

19

OIL MIST ELIMINATOR All rights reserved Copyright – Droits de reproduction réservés

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DESCRIPTION

COOLING & SEALING AIR SYSTEM 1

DEFINITION

The cooling & sealing air system is designed for insuring the following functions : • • • • • •

To cool down the turbine exhaust frame To cool down the turbine stage nozzle To protect the compressor during starting and shut down sequences To measure the compressor discharge pressure To provide gas turbine bearing’s sealing air To provide instrument air or air supply for other systems

The cooling & sealing air system is an open loop where : • • 2

The cooling air for the turbine exhaust frame is provided by two redundant electrically driven blowers and evacuated through the # 2 bearing tunnel. Each blower delivers 50% of the requested cooling flow The gas turbine sealing air from the bearings flows back in the oil tank and is evacuated by through the oil mist eliminator vent COMPONENT FUNCTION

20CB-1

Controls the bleed valves.

23TK-1

Prevents motor from internal condensation while not running.

23TK-2

Prevents motor from internal condensation while not running.

33CB-1

Indicates the valve open position.

33CB-2

Indicates the valve open position.

33BQ

Indicates the valve open position.

63TK-1

Detects the blower outlet pressure.

63TK-2

Detects the blower outlet pressure.

88TK-1

Drives the blower.

88TK-2

Drives the blower.

96CD-1A

Measures the compressor discharge pressure.

96CD-1B

Measures the compressor discharge pressure.

96CD-1C

Measures the compressor discharge pressure.

FA6

Filters the control air (condensats recovery by continuous blowdown).

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DESCRIPTION

FA7-1

Canalizes the moisture droplets from the air flow.

FA7-2

Canalizes the moisture droplets from the air flow.

VA2-1

Connects the compressor concerned stage at atmospheric pressure.

VA2-2

Connects the compressor concerned stage at atmospheric pressure.

VA14

Allows sealing air supply from 5th or 11th compressor stage.

VCK7-1

Prohibits the running blower air flow to return in the stand by blower.

VCK7-2

Prohibits the running blower air flow to return in the stand by blower.

3

ADDITIONAL INFORMATION

Compressor bleed valves : The compressor bleed valves remain open during start up and shut down sequences to protect the compressor from surging. A position fault, indicated by the Speedtronic®, must be analysed and rectified before the next starting sequence. Turbine exhaust frame : Cooling down is achieved by two blowers, each one providing 50% of air flow. If one blower fails, the unit is able to run with one blower up to the next planed shutdown for repair purpose. Gas turbine sealing air : During start-up and shut down sequences, bearing sealing air is provided by the 11th compressor stage. VA14 transfer compressor supply from 11th stage to 5th stage for gas turbine full speed operation

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DRAWINGS - COOLING AND SEALING AIR SYSTEM PART

NOMENCLATURE

1

20CB-1

Compressor bleed solenoid valve

2

23TK-1, 2

Anti-condensation heater for 88TK-1, 2

3

33BQ-1

Bearing sealing air valve limit switch

4

33CB-1, 2

11th stage compressor bleed valve limit switch

5

63TK-1, 2

Turbine exhaust frame cooling air pressure switch

6

88TK-1, 2

Turbine exhaust frame cooling fan motor

7

96CD-1A, 1B, 1C

Compressor discharge pressure transmitter

8

FA6

Filter

9

FA7-1, 2

Air separator

10

VA2-1, 2

Compressor bleed valve 11th stage

11

VA14

Sealing bearing valve

12

VCK7-1, 2

Turbine shell cooling air blower check valve

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DRAWINGS - COOLING AND SEALING AIR SYSTEM -

FA7-1, 2

9 33CB-2

4

VA2-2

10

B

4 10

20CB-1

33CB-1 VA2-1

1

8 FA6

VIEW B

ELEVATION VIEW 11 VA14 33BQ-1

3

VA14 VALVE VIEW All rights reserved Copyright – Droits de reproduction réservés

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N° OMMDR_0417_6B_01_EN

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DRAWINGS - COOLING AND SEALING AIR SYSTEM -

23TK-2

2

23TK-1

2

88TK-2

6

88TK-1

6

VCK7-2

12

VCK7-1

63TK-2

5

5

12

63TK-1

EXHAUST FRAME COOLING

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N° OMMDR_0417_6B_01_EN

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DRAWINGS - COOLING AND SEALING AIR SYSTEM 96CD-1B

7

96CD-1C

7

7

96CD-1A

ARRANGEMENT TRANSMETTEUR – ISOMETRIC VIEW

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Date :10/07

Revision : A

N° OMMDR_0417_6B_01_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/1

DESCRIPTION

COOLING WATER SYSTEM 1

DEFINITION

The cooling water system is designed for insuring cooling down of : • • • •

The lubricating oil The flame detectors The turbine supports The cranking motor

The above equipment are part of the installation cooling water closed loop. It includes a shaft driven cooling water pump 2

COMPONENT FUNCTION

VTR1

Prohibits water circulation in the cooler for low oil temperature.

WT-TL-1

Measures the water temperature of the turbine supports.

WT-TL-2

Measures the water temperature of the turbine supports.

3

ADDITIONAL INFORMATION

Cooling water characteristics : Cooling water characteristics must comply to GEI 41004H Lubricating oil temperature : During gas turbine operation the lubricating oil temperature is between 49°C and 70°C (120°F – 158°F) according to the water flow through the heat exchanger and the site ambient air temperature.

All right reserved Copyright – Droits de reproduction réservés OMMD_0420_6B_E0643_EN Revision : A

Date : 11/2007

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DRAWINGS - COOLING WATER SYSTEM PART

NOMENCLATURE

1

VTR1-1

Thermostatic valve regulating lube oil temperature

2

WT-TL-1, 2

Resistance thermometer detector support legs water temperature

3

Lube oil heat exchanger

4

Turbine support legs

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DRAWINGS - COOLING WATER SYSTEM -

2

WT-TL-2

A

3

WT-TL-1

2

OIL WATER REFRIGERANT – ISOMETRIC VIEW B

ARRANGEMENT TURBINE COMPARTMENT COOLING WATER

2

4

WT-TL-1, 2

2

2

VIEW B VIEW A

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N° OMMDR_0420_6B_02_EN

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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A

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DRAWINGS - COOLING WATER SYSTEM -

VTR1-1

1

OIL WATER REFRIGERANT – ISOMETRIC VIEW

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Revision : A

N° OMMDR_0420_6B_02_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/2

DESCRIPTION

STARTING MEANS SYSTEM 1

DEFINITION

The starting means system is designed for insuring the following functions : • • •

To break away and crank the shaft line up to nominal speed To allow the shaft line cooling down To crank the unit for Off line washing

The starting means includes : • • • • •

A Diesel engine cranking motor A torque converter A reversing gear box A hydraulic ratchet A clutch gear

The Diesel engine starts using a 125 VDC starting motor, receive cooling water from the gas turbine cooling water system, is fed from the diesel fuel tank and drives also the torque converter oil supply pump. Ratchet oil supply pump uses lubricating oil from the gas turbine header 2

COMPONENT FUNCTION

20CS-1

Controls the starting means clutch.

33CS-1

Indicates the clutch position.

33HR-1

Indicates the way forward/reverse of the ratcheting sequence

34DC-1

Performs monitoring of diesel engine.

43HR-1

Allows manual test of ratcheting sequence.

88DS-1

Starts the Diesel engine.

88HR-1

Drives the ratchet hydraulic pump.

CS-1

Represents the clutch assembly.

FH1

Filters the ratchet oil.

FH5

Filters the inlet pump oil.

HM-1

Represents the torque converter assembly.

HM2

Represents the ratchet assembly.

PH10-1

Provides manual ratcheting high pressure hydraulic supply.

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GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 2/2

DESCRIPTION

PH3-1

Provides ratcheting high pressure hydraulic supply.

SMD

Represents the Diesel engine.

VH14

Manages the forward-reverse ratchet sequences.

VM2

Allows ratchet sequence test with clutch open.

VCK98-1

Allows normal operation during forward stroke and increases the back pressure for reverse stroke.

VPR38

Keeps the prime pressure for the torque converter pump.

VPR98-1

Allows the clutch to closing before ratcheting.

VR23

Protects the torque converter feeding line against overpressure.

VR5

Protects ratchet piping against overpressure

3

ADDITIONAL INFORMATION

Cranking motor : The diesel fuel tank is located in the auxiliary base. Fuel filling up sequence is manual. The cranking motor starts using 125V DC starter. 43DE push button allows manual test of cranking motor if the clutch is open. For a gas turbine operating 8000 hours per year, the cranking motor manual test up to idle speed should be demonstrated once a month. Ratchet : The ratchet system is used to break away the shaft line during starting sequence and to turn the shaft 1/8 turn every 3 minutes during cool down period. The clutch is closed by the ratchet system and opens automatically during starting sequence due to the shape of the clutch gear when the turbine speed is higher than the starting means speed. The clutch remains engaged in between two cycles during cooling down period. 43HR push button allows manual ratcheting test.

All right reserved Copyright – Droits de reproduction réservés OMMD_0421_6B_E0643_EN Revision : A

Date : 11/2007

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DRAWINGS - STARTING MEANS SYSTEM PART

NOMENCLATURE

1

20CS-1

Starting clutch solenoid valve

2

33CS-1

Starting clutch limit switch

3

33HR-1

Hydraulic ratchet limit switch

4

34DC-1

Diesel control sequencer

5

43HR-1

Hydraulic ratchet limit switch

6

88DS-1

Diesel engine electric starting motor

7

88HR-1

Hydraulic ratchet pump motor

8

CS1

Starting clutch – hydraulic engaged jaw type

9

FH1

Hydraulic ratchet supply filter

10

FH5

Ratchet pump hydraulic supply filter

11

HM-1

Torque converter and reversing gear

12

HM2

Hydraulic ratchet mechanism

13

PH10-1

Hydraulic ratchet manual pump

14

PH3-1

Hydraulic ratchet pump

15

SMD

Diesel engine

16

VH14

Hydraulic self sequencing valve ratchet and clutch

17

VM2

Clutch disengagement manual 4 way valve

18

VCK98-1

Air check valve with dead opening

19

VPR38

Torque converter charge pump primer valve

20

VPR98-1

Feed hydraulic self sequencing ratchet regulator valve

21

VR23

Torque converter charge pump pressure relief valve

22

VR5

Ratchet pump relief valve

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DRAWINGS SMD

- STARTING MEANS SYSTEM -

88DS-1

15

6 43HR-1

5

4

34DC-1

ARRANGMENT STARTING MEANS SYSTEM – ISOMETRIC VIEW

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DRAWINGS - STARTING MEANS SYSTEM -

SEE DETAIL 2

VPR38

VR23

19

21

DETAIL 2

PIPING ARRANGEMENT STARTING MEANS

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N° OMMDR_0421_6B_01_EN

GE Energy Products - Europe PH10-1

OPERATION AND MAINTENANCE MANUAL

13

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DRAWINGS SEE DETAIL 3

- STARTING MEANS SYSTEM UNIT AXIS ACCESSORY GEAR

UNIT AXIS GT

7

88HR-1

14

PH3-1

PIPING ARRANGMENT HYDRAULIC RATCHET SYSTEM – ISOMETRIC VIEW VIEW A

2

33CS-1

8

CS-1

DETAIL 3 – TOP VIEW

FH5

10

HM-1

11

HM2

12

VCK98-1

18

VM2

20CS-1

17

FH1

1

VH14

16

33HR-1

3

22

VR5

VPR98-1 20

9

9

FH1

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VIEW A – SIDE VIEW Date :10/07

Revision : A

N° OMMDR_0421_6B_01_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/2

DESCRIPTION

GAS FUEL SYSTEM 1

DEFINITION

The gas fuel system providing gas fuel for the combustion chambers is designed for insuring the following functions : • • • •

To fire, warm up and accelerate the unit up to nominal speed To power the unit up to base load To shut down and trip the unit To measure the gas flow

The gas fuel system is an open loop including : •

• • •

A speed/stop ratio valve to adjust the gas pressure versus the gas turbine speed and to stop the unit Two flow control valves to adjust the gas flow in the combustion chambers through each manifold : primary and secondary Temporary filters for first commissioning and permanent filters Piloted inter-valves venting system A gas flow meter

2

COMPONENT FUNCTION

•

20FGS-1

Controls the gas valve.

20FGC-1

Controls the gas valve.

20FGC-2

Controls the gas valve.

20VG-1

Vents the inter-valve space.

33VG-11

Indicates the valve closed position.

63FG-1

Detects a low gas supply pressure.

63FG-2

Detects a low gas supply pressure.

63GQ-1

Detects the clogging of the filter.

65GC-1

Controls the valve position.

65GC-2

Controls the valve position.

90SR-1

Controls the valve position.

96FG-1

Measures the gas inlet pressure.

96FG-2A

Measures the inter-valve gas pressure.

All right reserved Copyright – Droits de reproduction réservés OMMD_0422_6B_E0643_EN Revision : A

Date : 11/2007

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

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DESCRIPTION

96FG-2B

Measures the inter-valve gas pressure.

96FG-2C

Measures the inter-valve gas pressure.

96GC-1,2

Measures the valve stroke.

96GC-3,4

Measures the valve stroke.

96SR-1

Measures the valve stroke.

96SR-2

Measures the valve stroke.

96VM-1

Measures the gas flow.

FG1

Filters the gas flow.

FH7-1

Filters the hydraulic supply oil.

FH8-1

Filters the hydraulic supply oil.

FH8-2

Filters the hydraulic supply oil.

MG1-1

Represents the gas nozzles.

MG1-2

Represents the gas nozzles.

VGC-1

Controls the gas flow.

VGC-2

Controls the gas flow.

VH5-1

Controls the operation of VSR-1 valve.

VH5-2

Controls the operation of gas flow valve.

VH5-3

Controls the operation of gas flow valve.

VM1

Measures the gas fuel mass flow upstream VSR.

VSR-1

Adjusts the gas pressure and cuts off the gas flow for shut down sequence.

3

ADDITIONAL INFORMATION

Gas : The gas system as well as the control’s parameters are calculated according to the gas composition included in the Control Specification. Gas calorific value, gas density and gas temperature at the gas turbine inlet piping are corresponding to a Wobbe index. Wobbe index must remain within ± 5% of contractual Wobbe index to guaranty reliable operation of the gas turbine.

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Date : 11/2007

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DRAWINGS - GAS FUEL SYSTEM PART

NOMENCLATURE

1

20FGC-1, 2

Trip solenoid valve for gas control valve

2

20FGS-1

Fuel gas stop valve solenoid valve

3

20VG-1

Fuel gas vent solenoid valve

4

33VG-11

Limit switch on 20VG-1 solenoid valve

5

63FG-1, 2

Gas fuel pressure switch

6

65GC-1, 2

Gas control valve servo valve

7

90SR-1

Stop/speed ration valve servo valve

8

96FG-1

Fuel gas pressure transmitter

9

96FG-2A, 2B, 2C

Fuel gas pressure transmitter

10

96GC-1, 2

Fuel gas control LVDT (VGC-1)

11

96GC-3, 4

Fuel gas control LVDT (VGC-2)

12

96SR-1, 2

Fuel gas stop ration LVDT (VSR)

13

96VM-1

Mass flow transmitter

14

FH7-1

Gas fuel stop servo hydraulic oil supply filter

15

FH8-1

Gas fuel control valve VGC-1 servo hydraulic oil supply filter

16

FH8-2

Gas fuel control valve VGC-2 servo hydraulic oil supply filter

17

MG1-1

Gas fuel nozzle – Primary

18

MG1-2

Gas fuel nozzle – Secondary

19

VGC-1

Gas control valve

20

VGC-2

Gas control valve secondary

21

VH5-1

Gas fuel dump valve VSR-1 – Stop / speed ratio valve

22

VH5-2

Gas fuel dump valve VGC-1 – Gas control valve

23

VH5-3

Gas fuel dump valve VGC-2 – Gas control valve

24

VM-1

Coriolis mass flow transmitter

25

VSR-1

Stop/speed ratio valve

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DRAWINGS - GAS FUEL SYSTEM -

25 VSR-1

VGC-1 19

21

VH5-1

VH5-2

22

2

20FGS-1

FH8-1

15

7

90SR-1

96GC-1, 2 10 65GC-1

6

20FGC-1

1

12

96SR-1, 2

14 FH7-1

13 96VM-1 24 VM-1

20 VGC-2 23 VH5-3 16 FH8-2 11 96GC-3, 4

FUEL GAS MODULE

6

65GC-2

1

20FGC-2

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GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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DRAWINGS - GAS FUEL SYSTEM 20VG-1

3

33VG-11

4

63FG-2

5

63FG-1

5

8

9

96FG-2A

96FG-1

96FG-2B

9

9

96FG-2C

INSTRUMENTATION PANEL

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DRAWINGS - GAS FUEL SYSTEM -

17

MG1-1

18

MG1-2

CHAMBER COMBUSTION ASSEMBLY

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Revision : A

N° OMMDR_0422_6B_01_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/2

DESCRIPTION

FIRE PROTECTION SYSTEM 1

DEFINITION

The fire protection system is designed for insuring the following functions : • • • • •

To detect fire automatically To trip the unit and extinguish fire quickly To keep low concentration of combustive agent after fire To inform the operator To allow manual fire fighting release

In the enclosures listed here below : • • •

Accessory compartment Gas turbine compartment Load gear compartment

Fire fighting is achieved using carbon dioxide (CO2) 2

COMPONENT FUNCTION

43CP-1

Releases manually the fire protection.

43CP-2

Releases manually the fire protection.

43CP-3

Releases manually the fire protection.

43CP-4

Releases manually the fire protection.

43CP-5

Releases manually the fire protection.

43CP-6

Releases manually the fire protection.

45FA-1A

Detects a high temperature in the compartment.

45FA-1B

Detects a high temperature in the compartment.

45FA-2A

Detects a high temperature in the compartment.

45FA-2B

Detects a high temperature in the compartment.

45FT-1A

Detects a high temperature in the compartment.

45FT-1B

Detects a high temperature in the compartment.

45FT-2A

Detects a high temperature in the compartment.

45FT-2B

Detects a high temperature in the compartment.

All right reserved Copyright – Droits de reproduction réservés OMMD_0426_6B_E0643_EN Revision : A

Date : 11/2007

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 2/2

DESCRIPTION

45FT-3A

Detects a high temperature in the compartment.

45FT-3B

Detects a high temperature in the compartment.

45FT-9A

Detects a high temperature in the compartment.

45FT-9B

Detects a high temperature in the compartment.

45FT-10A

Detects a high temperature in the compartment.

45FT-10B

Detects a high temperature in the compartment.

45FT-11A

Detects a high temperature in the compartment.

45FT-11B

Detects a high temperature in the compartment.

5E-1

Initiates manually an emergency trip.

5E-2

Initiates manually an emergency trip

SLI-1

Gives a visual fire alarm.

SLI-1A

Gives a visual fire alarm.

SLI-1B

Gives a visual fire alarm.

SLI-1C

Gives a visual and audible fire alarm.

SLI-2

Gives a visual fire alarm.

SLI-2B

Gives a visual fire alarm.

SLI-2C

Gives a visual and audible fire alarm.

SLI-3B

Gives a visual fire alarm.

SLI-4B

Gives a visual fire alarm.

3

ADDITIONAL INFORMATION

Compartments access: Access inside the compartments at any time must be under strict control using access permit or work permit to guaranty operator safety regarding potential risk including carbon dioxide emission. Fire alarm : Fire alarm appears before fire trip. Any alarm must be investigated and rectified quickly Carbon dioxide emission : After carbon dioxide emission and confirmation that fire risk do not exist any more, the compartment ventilation must be activated the clear the inside atmosphere. Concentration measurement must be carried out to confirm safe access. Local carbon dioxide vacuum must be undertaken if the concentration remains important. All right reserved Copyright – Droits de reproduction réservés OMMD_0426_6B_E0643_EN Revision : A Date : 11/2007

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DRAWINGS - FIRE PROTECTION SYSTEM PART

NOMENCLATURE

1

43CP-1, 4

Break glass unit accessory compartment

2

43CP-2, 5

Break glass unit GT compartment

3

43CP-3, 6

Break glass unit load compartment

4

45FA-1A, 1B

Thermostatic fire detector – Accessory compartment

2A, 2B 5

Thermostatic fire detector – Turbine compartment

45FT-1A, 1B 2A, 2B 3A, 3B

6

Thermostatic fire detector load compartment

45FT-9A, 9B 10A, 10B 11A, 11B

7

5E-1, 2

Emergency stop button accessory compartment

8

SLI-1, 2

Light warning accessory compartment

9

SLI-1A

Fire alarm accessory compartment

10

SLI-1B, 1C

Fire alarm GT compartment

2B, 2C 11

Fire alarm load compartment

SLI-3B, 4B

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Date : 10/07

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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DRAWINGS - FIRE PROTECTION SYSTEM 6 SLI-1B

43CP-2

SLI-1C

SLI-1A

45FT-11A

10

6

45FT-11B

2

3

43CP-3

3

43CP-6

10

9

10 SLI-2B

43CP-1

1

2

43CP-5

10 SLI-2C

43CP-4

1

G.T. – AUXILIARY COMPARTMENT – ISOMETRIC VIEW All rights reserved Copyright – Droits de reproduction réservés

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N° OMMDR_0426_6B_03_EN

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DRAWINGS - FIRE PROTECTION SYSTEM -

SLI-1A

SLI-1C

9

SLI-1B

10

10 SLI-2C

SLI-3B

10

11

10

11

SLI-2B

SLI-4B

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DRAWINGS - FIRE PROTECTION SYSTEM -

DOWSTREAM SLI-1

8

45FA-2A, 2B

4

4 45FA-1A, 1B

7

5E-1

SLI-2

8

7

5E-2

ACCESSORY COMPARTMENT –ISOMETRIC VIEW

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GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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DRAWINGS - FIRE PROTECTION SYSTEM -

SEE VIEW A

EXHAUST ARRANGEMENT 45FT-9A

6

45FT-9B

6

6

45FT-10A

6

45FT-10B

VIEW A

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DRAWINGS - FIRE PROTECTION SYSTEM -

45FT-3A, 3B

5

5 45FT-1A, 1B

45FT-2A, 2B

5

TURBINE ARRANGMENT

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Revision : A

N° OMMDR_0426_6B_03_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/1

DESCRIPTION

INLET AIR HEATING SYSTEM 1

DEFINITION

The compressor air inlet heating is designed to adjust the compressor airflow according to the combustion needs. This system called inlet bleed heating is supplied by air compressor discharge and distributed by nozzles installed in the air inlet duct downstream the filter. It includes : • • •

A manual isolating valve normaly open to be manually close during OFF line washing A main regulating valve to adjust hot air flow to gas turbine need An electrically driven drain valve to drain automatically the line during start up sequence

2

COMPONENT FUNCTION

20TH-1

Controls the bleed heating valve.

33TH-3

Indicates the valve position.

33TH-4

Indicates the valve position.

65EP-3

Converts 4-20mA signal into a pneumatic signal for valve position setting.

90TH-4

Opening and closing controls for the VA30-1.

96BH-1

Measures upstream pressure of the bleed heating control valve.

96BH-2

Measures downstream pressure of the bleed heating control valve.

96TH-1

Measures the valve stroke.

VA20-1

Regulates the bleed heating air flow.

VA30-1

Purge the bleed heating circuit.

VA40-1

Controls VA20-1 valve.

VA42-1

Allows fast opening of VA20-1 valve.

VM15-1

Cuts off manually the bleed heating air flow.

VPR41-1

Regulates the air pressure.

3

ADDITIONAL INFORMATION

None

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Date : 11/2007

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DRAWINGS - INLET AIR HEATING SYSTEM PART

NOMENCLATURE

1

20TH-1

Trip solenoid valve bleed heating control valve

2

33TH-3

Inlet heating isolation valve VM15-1 open position limit switch

3

33TH-4

Inlet heating isolation valve limit switch

4

65EP-3

Electro-pneumatic transducer

5

90TH-4

Inlet bleed heat drain valve VA30-1 motor operator

6

96BH-1, 2

Inlet HTG CV upstream pressure transmitter

7

96TH-1

Inlet heating control VIV position transmitter

8

VA20-1

Inlet heating control valve

9

VA30-1

Inlet heating drain valve

10

VA40-1

Inlet heating control valve volume booster

11

VA42-1

Inlet bleed heat valve VA20-1 quick exhauster valve

12

VM15-1

Inlet heating isolation valve

13

VPR41-1

Supply air pressure regulation and filter control valve bleed heating

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Date : 10/07

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

Rev :

A

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DRAWINGS - INLET AIR HEATING SYSTEM -

3

33TH-4

5

90TH-4

9

VA30-1

6

6 96BH-1

96BH-2

TO INLET BLEED HEATING MANIFOLD

2

33TH-3

12

VM15-1

PANEL INSTRUMENTATION TO PANEL INSTRUMENTATION

VIEW INLET AIR REHEATING

1

20TH-1

4

65EP-3

7

96TH-1

8

VA20-1

10

VA40-1

11

VA42-1

13

VPR41-1

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Date :10/07

Revision : A

N° OMMDR_0432_6B_01_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/2

DESCRIPTION

HYDRAULIC SUPPLY SYSTEM 1

DEFINITION

The hydraulic supply system is designed to provide high pressure oil at constant pressure to control : • •

The gas fuel flow and gas fuel pressure regulating valves The compressor inlet guide vanes

The hydraulic supply system is a closed loop where the oil pressure is built up from lubricating oil header by : • •

A shaft driven main pump An electrical motor driven auxiliary pump for starting and shut down sequences

Hydraulic oil supply conditioning includes : • • •

Automatic purging Dual filtering Accumulator

Hydraulic oil flows back to the lubricating oil tank by gravity 2

COMPONENT FUNCTION

23HQ-1

Prevents motor from internal condensation while not running.

63HF-1

Detects the clogging of the filter.

63HQ-1

Detects the low hydraulic oil pressure.

88HQ-1

Drives the hydraulic supply auxiliary oil pump.

AH1-1

Absorbs and compensates the pressure variation.

FH2-1

Filters the hydraulic supply oil.

FH2-2

Filters the hydraulic supply oil.

PH1

Provides main hydraulic supply.

PH2

Provides auxiliary hydraulic supply.

VAB1

Purge automatically the main hydraulic pump circuit.

VAB2

Purge automatically the auxiliary hydraulic pump circuit.

VCK3-1

Prohibits the return of the main pump oil flow.

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GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

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DESCRIPTION

VCK3-2

Prohibits the return of the auxiliary pump oil flow.

VM4

Allows manual filter transfer.

VPR3-1

Regulates the HP pump oil pressure.

VR21

Protects system against overpressure.

VR22

Adjusts the pump outlet pressure.

3

ADDITIONAL INFORMATION

Auxiliary pump safety valve : The safety valve of the auxiliary pump regulates the hydraulic pressure during start up and shut down sequence. It is normal to find an oil flow at the outlet of this safety valve.

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DRAWINGS - HYDRAULIC SUPPLY SYSTEM PART

NOMENCLATURE

1

23HQ-1

Anti-condensation heater of motor 88HQ-1

2

63HF-1

Hydraulic filter differential pressure alarm

3

63HQ-1

Low hydraulic supply pressure auxiliary hydraulic pump start

4

88HQ-1

Auxiliary HP pump motor

5

AH1-1

HP oil hydraulic accumulator

6

FH2-1, 2

Hydraulic oil supply filter

7

PH1

Main hydraulic supply pump

8

PH2

Auxiliary hydraulic supply pump

9

VAB1

Main hydraulic system air bleed valve

10

VAB2

Auxiliary hydraulic system air bleed valve

11

VCK3-1

Hydraulic pump check valve for main pump

12

VCK3-2

Hydraulic pump check valve for auxiliary pump

13

VM4-1

Hydraulic filter transfer valve

14

VPR3-1

Hydraulic supply pump (PH1) compensator

15

VR21

Main hydraulic supply pump pressure relief valve

16

VR22

Auxiliary hydraulic supply pump pressure relief valve

17

Hydraulic manifold assembly

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PH1 VPR3-1

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DRAWINGS

ACCESSORY GEAR AXIS

14

- HYDRAULIC SUPPLY SYSTEM -

UNIT AXIS

17

VAB1 VCK3-1 VR21

9 11 FH2-1

6

15

ELEVATION VIEW VAB2

10

VCK3-2

12

VR22

16

SEE DETAIL B AH1-1

C

88HQ-1

4

23HQ-1

1

PH2

8

5

6

13

FH2-2

VM4-1

VIEW C

DETAIL B All rights reserved Copyright – Droits de reproduction réservés

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DRAWINGS - HYDRAULIC SUPPLY SYSTEM -

2

3

63HF-1

63HQ-1

VIEW INSTRUMENTATION PANEL All rights reserved Copyright – Droits de reproduction réservés

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Revision : A

N° OMMDR_0434_6B_01_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/3

DESCRIPTION

HEATING AND VENTILATION SYSTEM 1

DEFINITION

The heating and ventilation system is designed for insuring the following functions : • • •

To evacuate the hot air from inside the compartment to outside To heat the enclosure when the unit is not operating To dilute gas leak to avoid hazardous area in the enclosures listed here below : • • • •

Auxiliaries Gas turbine Load gear Gas module

Enclosure purpose is : • • • • •

To protect personnel from high temperature and fire risks. To provide proper cooling and ventilation for the equipment. To provide attenuation of the noise generated by the equipment To contain fire fighting medium To provide weather protection for the equipment.

Redundant electrically driven fans provide airflow. Ventilation airflow direction is according to the need of each enclosure. Flap at ventilation air intake are use to restrict airflow while the ventilation is not in operation and to participate to fire fighting effectiveness. Electrical heaters are provided in enclosures for heating the ambient air. 2

COMPONENT FUNCTION

20BT-90

Controls the opening of the bypass flap.

20VG-90

Controls the opening of the bypass flap.

20VL-90

Controls the opening of the bypass flap.

23BT-1

Prevents motor from internal condensation while not running

23BT-2

Prevents motor from internal condensation while not running

23HA-1

Heats the compartment.

23HA-2

Heats the compartment.

23HA-11

Heats the compartment.

23HG-11

Heats the compartment.

All right reserved Copyright – Droits de reproduction réservés OMMD_0436_6B_E0643_EN Revision : A

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GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

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DESCRIPTION

23HG-12

Heats the compartment.

23HT-1

Heats the compartment.

23HT-2

Heats the compartment.

33BT-1

Indicates the flap closed position.

33BT-2

Indicates the flap closed position.

33VG-1

Indicates the flap closed position.

33VG-2

Indicates the flap closed position.

33VL-1

Indicates the flap closed position.

33VL-2

Indicates the flap closed position.

63BT-90

Detects the clogging of the compartment air inlet filter.

63VG-90

Detects the clogging of the compartment air inlet filter.

63VL-90

Detects the clogging of the compartment air inlet filter.

88BT-1

Drives the fan.

88BT-2

Drives the fan.

88VG-1

Drives the fan.

88VG-2

Drives the fan.

88VL-1

Drives the fan.

88VL-2

Drives the fan.

AT-AC-1

Measures the ambient temperature in the compartment.

AT-AC-11

Measures the ambient temperature in the compartment.

AT-LC-1

Measures the ambient temperature in the compartment.

AT-TC-1

Measures the ambient temperature in the compartment.

AT-TC-2

Measures the ambient temperature in the compartment.

3

ADDITIONAL INFORMATION

Compartments access: Access inside the compartments at any time must be under strict control using access permit or work permit to guaranty operator safety regarding potential risk including carbon dioxide emission. All right reserved Copyright – Droits de reproduction réservés OMMD_0436_6B_E0643_EN Revision : A

Date : 11/2007

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 3/3

DESCRIPTION

Carbon dioxide emission : After carbon dioxide emission and confirmation that fire risk do not exist any more, the compartment ventilation must be activated the clear the inside atmosphere. Concentration measurement must be carried out to confirm safe access. Unit cooling down sequence : During cooling down period using ratchet gear, all the turbine compartment doors must remain closed to avoid cool air excess flow distribution near the gas turbine casing.

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DRAWINGS - HEATING AND VENTILATION SYSTEM PART

NOMENCLATURE

1

20BT-90

Electromagnet, air inlet filtering system bypass door GT compartment

2

20VG-90

Electromagnet, load compartment air inlet filtering system bypass door

3

20VL-90

Electromagnet, gas compartment air inlet filtering system bypass door

4

23BT-1, 2

Anti-condensation heater for motor 88BT-1, 2

5

23HA-1, 2

Auxiliaries compartment heater

6

23HA-11

Gas compartment heater

7

23HG-11, 12

Load compartment heater

8

23HT-1, 2

Turbine compartment heater

9

33BT-1, 2

GT compartment ventilation damper limit switch

10

33VG-1, 2

Load compartment ventilation damper limit switch

11

33VL-1, 2

Gas compartment ventilation damper limit switch

12

63BT-90

Differential pressure switch, air inlet GT compartment

13

63VG-90

Differential pressure switch, air inlet load compartment

14

63VL-90

Differential pressure switch, air inlet gas compartment

15

88BT-1, 2

Cooling air fan motor – Acoustic enclosure GT compartment

16

88VG-1, 2

Cooling air fan motor – Acoustic enclosure load compartment

17

88VL-1, 2

Cooling air fan motor gas module acoustic enclosure

18

AT-AC-1

Thermocouple accessory compartment

19

AT-AC-11

Thermocouple gas compartment

20

AT-LC-1

Air temperature load compartment

21

AT-TC-1

Air temperature turbine compartment

22

AT-TC-2

Thermocouple: turbine compartment enclosure

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DRAWINGS - HEATING AND VENTILATION SYSTEM -

AT-AC-1

18

23HT-1 88VG-1

8

23HA-1

16

5 88BT-1

33BT-1

15

9

23HG-12

7 10

10

33VG-1

33VG-2

7

23HA-2

5

15 88BT-2

9

16

33BT-2

22 8

AT-TC-2

20

23HG-11

88VG-2

AT-LC-1

23HT-2

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DRAWINGS - HEATING AND VENTILATION SYSTEM -

88BT-1

15

23BT-1

4

88BT-2

21

23BT-2

15

ROOF GENERAL ARRANGEMENT

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DRAWINGS - HEATING AND VENTILATION SYSTEM -

63VG-90

13 63BT-90

20VG-90

2

12

20BT-90

1

ACOUSTIC ENCLOSURE AIR FILTERING

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DRAWINGS - HEATING AND VENTILATION SYSTEM -

AT-TC-1

21

63VL-90

14

VIEW INLET PLENUM TURBINE SIDE 3 20VL-90

GAS MODULE ACOUSTIC ENCLOSURE AIR FILTERING

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DRAWINGS - HEATING AND VENTILATION SYSTEM -

AT-AC-11

19

11

33VL-1

17 88VL-1

17 88VL-2

11

33VL-2

GAS MODULE ACOUSTIC ENCLOSURE-TOP VIEW

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N° OMMDR_0436_6B_03_EN

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DRAWINGS - HEATING AND VENTILATION SYSTEM -

33VL-1

33VL-2

11

11

17

17

88VL-1 88VL-2

AT-AC-11

19

23HA-11

6

GAS MODULE ACOUSTIC ENCLOSURE – RIGHT VIEW GAS MODULE ACOUSTIC ENCLOSURE – LEFT VIEW

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Revision : A

N° OMMDR_0436_6B_03_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/1

DESCRIPTION

TURBINE AND/OR COMPRESSOR WASHING SYSTEM 1

DEFINITION

The compressor washing system is designed for insuring the following functions : • •

To clean the compressor at stand still (Off line) To clean the compressor at nominal speed (On line)

A module not included in this chapter provides the clean washing water flow. 2

COMPONENT FUNCTION

20TW-1

Controls the water flow for compressor washing.

20TW-1/PB

Controls the manual opening of 20TW-1 valve.

20TW-3

Controls the water flow for compressor washing.

VA17-1

Drains out the liquids.

3

ADDITIONAL INFORMATION

On line water wash : During On line water wash with the shaft line at nominal speed the water flows through the compressor and the gas turbine in steam phase and is evacuated with gas turbine exhaust gas. Off line water wash : Off line water wash is carried out when the unit is cold and needs manual configuration for water wash valves. Please refer to gas turbine maintenance manual. Water characteristics : The washing water must comply to GEK 103623

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DRAWINGS - TURBINE AND / OR COMPRESSOR WASHING SYSTEM PART

NOMENCLATURE

1

20TW-1

Motor valve off-line compressor water wash

2

20TW-1/PB

Off-line water wash push button

3

20TW-3

Motor valve on-line compressor water wash

4

VA17-1

False start drain valve-combustion wrapper

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Date : 10/07

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DRAWINGS - TURBINE AND / OR COMPRESSOR WASHING SYSTEM -

A

ON-LINE WATER WASHING PIPING

A

OFF-LINE WATER WASHING PIPING

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GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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DRAWINGS - TURBINE AND / OR COMPRESSOR WASHING SYSTEM -

20TW-1

1

SEE VIEW B

20TW-3

3 20TW-3

3 20TW-1

1

20TW-1/PB

2

VIEW B VIEW A – ON-LINE AND OFF-LINE WATER WASHING PIPING

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DRAWINGS - TURBINE AND / OR COMPRESSOR WASHING SYSTEM -

INLET PLENUM DOWNSTREAM COMBUSTION CHAMBERS ASSEMBLY

TURBINE BASE

VA17-1

4 TOP VIEW

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Revision : A

N° OMMDR_0442_6B_02_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/1

DESCRIPTION

INLET GUIDE VANES SYSTEM 1

DEFINITION

The inlet guide vanes system is designed to adjust the compressor airflow according to compressor and combustion needs. The compressor inlet guide vanes system is actuated with hydraulic supply and controlled by trip oil. The oil returns to the lubricating oil tank by gravity. 2

COMPONENT FUNCTION

20TV-1

Allows oil supply feeding of IGV.

90TV-1

Controls the IGV position.

96TV-1

Measures the IGV angle.

96TV-2

Measures the IGV angle.

ACV1-1

Represents the inlet guide vanes assembly.

AH2-1

Absorbs and compensates the pressure variation.

FH6-1

Filters the hydraulic supply oil.

HM3-1

Represents the IGV assembly.

VH3-1

Controls the operation of IGV.

3

ADDITIONAL INFORMATION

None.

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DRAWINGS - INLET GUIDE VANES SYSTEMPART

NOMENCLATURE

1

20TV-1

Solenoid valve for compressor IGV trip system

2

90TV-1

Inlet guide valve servo valve

3

96TV-1, 2

Inlet guide valve linear variable displacement transmitter (LVDT)

4

ACV1-1

IGV hydraulic controller assembly

5

AH2-1

Accumulator, hydraulic supply, IGV

6

FH6-1

IGV controller assembly hydraulic oil supply filter

7

HM3-1

Actuator assembly, inlet guide vane system

8

VH3-1

Trip relay, hydraulic, IGV

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DRAWINGS - INLET GUIDE VANES SYSTEM -

5

AH2-1

90TV-1

2 4

ACV1-1 FH6-1

6 FH6-1

6 VH3-1

8

20TV-1

1

HYDRAULIC CONTROL ASSEMBLY

ISOMETRIC VIEW

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DRAWINGS - INLET GUIDE VANES SYSTEM -

SEE DETAIL A

ELEVATION VIEW HM3-1

7

3

96TV-1

B

3

96TV-2

INLET CASING DOWSTREAM

VIEW B DETAIL A All rights reserved Copyright – Droits de reproduction réservés

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Revision : A

N° OMMDR_0469_6B_02_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

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DESCRIPTION

AIR FILTER SYSTEM 1

DEFINITION

The flow inlet & exhaust is designed for insuring the following functions : • • •

To supply the gas turbine with filtered air flow To reduce the compressor air inlet acoustical level To protect the air inlet duct against high pressure drop

2

COMPONENT FUNCTION

27TF-1

Gathers the air filter alarms.

63CA-1

Detects the compressed air low pressure.

63CS-2A

Detects high pressure drop in the air inlet duct.

63CS-2B

Detects high pressure drop in the air inlet duct.

96CS-3

Measures of the pressure drop downstream of the air inlet silencer.

96RH

Measures the ambient air temperature and humidity.

96TF-1

Measures the air filter pressure drop.

AR_20

Represents the air filter electrical system.

3

ADDITIONAL INFORMATION

None

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DRAWINGS - AIR FILTER SYSTEM PART

NOMENCLATURE

1

27TF-1

Circuit breakers alarm

2

63CA-1

GT compressed air inlet filter low pressure switch

3

63CS-2A; 2B

GT inlet air system differential pressure switch

4

96CS-3

Pressure transmitter

5

96RH

Dew point and temperature transmitter

6

96TF-1

GT air filter clogging differential pressure transmitter

7

AR_20

Air filter electrical control box

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DRAWINGS - AIR FILTER SYSTEM -

96RH

1

27TF-1

3

63CS-2A

3

63CS-2B

6

96TF-1

4

96CS-3

5

7

AR_20

DETAIL A – CONTROL BOX

DETAIL A

2

63CA-1

GT AIR FILTER VIEW

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Revision : A

N° OMMDR_0471_6B_01_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

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DESCRIPTION

GAS DETECTION SYSTEM 1

DEFINITION

The gas detection system is designed to detect gas fuel leaks inside • •

The gas turbine compartment The gas compartment.

The gas detection system include gas detector installed inside the ventilation air duct 2

COMPONENT FUNCTION

45HA-4

Detects a gas concentration in the ventilation duct.

45HA-5

Detects a gas concentration in the ventilation duct.

45HA-6

Detects a gas concentration in the ventilation duct.

45HT-1

Detects a gas concentration in gas turbine compartment.

45HT-2

Detects a gas concentration in gas turbine compartment.

45HT-3

Detects a gas concentration in gas turbine compartment.

45HT-4

Detects a gas concentration in the ventilation duct.

45HT-5

Detects a gas concentration in the ventilation duct.

45HT-6

Detects a gas concentration in the ventilation duct.

3

ADDITIONAL INFORMATION

Gas detection alarm : A gas leak detection alarm signal must be considered as high priority. It confirms a gas fuel leak in the enclosure. Access to this enclosure must be prohibited for safety reason. Corrective action must be undertaken quickly.

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DRAWINGS - GAS DETECTION SYSTEM PART

NOMENCLATURE

1

45HA-4, 5, 6

Gas detector – Gas compartment ventilation duct

2

45HT-1, 2, 3

Gas detector – Turbine compartment

3

45HT-4, 5, 6

Gas detector – Turbine compartment ventilation duct

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DRAWINGS - GAS DETECTION SYSTEM -

1

`

45HA-4, 5, 6

ACOUSTICAL ENCLOSURE – GAS COMPARTMENT

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N° OMMDR_0474_6B_02_EN

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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A

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DRAWINGS - GAS DETECTION SYSTEM -

B

TURBINE BASE - ISOMETRIC VIEW

45HT-3

2

45HT-2

2

45HT-1

2

VIEW B All rights reserved Copyright – Droits de reproduction réservés

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N° OMMDR_0474_6B_02_EN

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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DRAWINGS - GAS DETECTION SYSTEM -

3

45HT-4, 5, 6

ACOUSTICAL ENCLOSURE VIEW All rights reserved Copyright – Droits de reproduction réservés

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Revision : A

N° OMMDR_0474_6B_02_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/1

DESCRIPTION

PERFORMANCE MONITORING SYSTEM 1

DEFINITION

The performance monitoring system is designed to measure : • • •

The atmospheric pressure The air temperature inside the inlet duct The differential pressure between compressor air inlet duct and compressor bell mouth

2

COMPONENT FUNCTION

96AP-1A

Measures atmospheric pressure.

96AP-1B

Measures atmospheric pressure.

96AP-1C

Measures atmospheric pressure.

96BD-1

Measures the difference between the air inlet of GT and the bell of GT intake.

96CS-1

Measures the differential pressure between the air inlet of GT and the atmosphere.

CT-IF-3/R

Measures the air inlet duct temperature.

3

ADDITIONAL INFORMATION

None

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DRAWINGS - PERFORMANCE MONITORING SYSTEM PART

NOMENCLATURE

1

96AP-1A

Atmospheric pressure transmitter

2

96AP-1B

Atmospheric pressure transmitter

3

96AP-1C

Atmospheric pressure transmitter

4

96BD-1

Pressure transmitter

5

96CS-1

Pressure transmitter

6

CT-IF-3/R

Resistance temperature detector

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OMMDR_0492_6B_01_EN

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Date : 10/07

GE Energy Products - Europe 96CS-1

5

4

OPERATION AND MAINTENANCE MANUAL

96BD-1

Rev :

A

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2/3

DRAWINGS - PERFORMANCE MONITORING SYSTEM -

1 2 3

96AP-1C

96AP-1B 96AP-1A

VIEW PERFORMANCE MONITOR All rights reserved Copyright – Droits de reproduction réservés

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N° OMMDR_0492_6B_01_EN

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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DRAWINGS - PERFORMANCE MONITORING SYSTEM -

A

CT-IF-3/R

6

VIEW A

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N° OMMDR_0492_6B_01_EN

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 1/2

DESCRIPTION

LOAD GEAR SYSTEM 1

DEFINITION

The load gear system is designed to adapt the gas turbine speed to the generator speed and to transfer the mechanical power. 2

COMPONENT FUNCTION

39V-4D,4E

Measures the seismic vibration issued from the TG.

39V-4F

Measures the seismic vibrations of the load gear base on generator side.

39VS-51

Measures the vibration of the turbine shaft on the turbine side bearing.

39VS-52

Measures the turbine shaft vibration near the bearing on turbine side.

39VS-61

Measures the turbine shaft vibration on the bearing side generator.

39VS-62

Measures the turbine shaft vibration on the bearing side generator.

39VS-71

Measures the generator shaft vibration on the bearing on turbine side.

39VS-72

Measures the generator shaft vibration on the bearing on turbine side.

39VS-81

Measures the generator shaft vibration on the bearing generator side.

39VS-82

Measures the generator shaft vibration on the bearing generator side.

77RP-101

Detects the shaft position.

96VC-61

Measures the vibration of the high speed gear box shaft.

BT-RGB1-1A,1B Measures the oil temperature on the alternator shaft bearing on turbine side. BT-RGB1-2A,2B Measures the oil temperature on the alternator shaft by turbine side. Measures the oil temperature on the alternator shaft bearing by alternator side. Measures the oil temperature on the alternator shaft bearing at alternator BT-RGB2-2A,2B side. BT-RGB2-1A,1B

BT-RGP1-1A,1B Measures the bearing oil temperature at the high speed shaft. BT-RGP1-2A,2B Measures the bearing oil temperature at the high speed shaft. BT-RGP2-1A,1B Measures the bearing oil temperature at the high speed shaft. BT-RGP2-2A,2B Measures the bearing oil temperature at the high speed shaft. LT-RGCD-1A,1B Measures the gear box oil drain temperature.

All right reserved Copyright – Droits de reproduction réservés OMMD_0495_6B_E0643_EN Revision : A

Date : 11/2007

GE Energy Products – Europe OPERATION AND MAINTENANCE MANUAL

Rev : A Page : 2/2

DESCRIPTION

3

ADDITIONAL INFORMATION

None

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DRAWINGS - LOAD GEAR SYSTEM PART

NOMENCLATURE

1

39V-4D

Seismic sensor

2

39V-4E

Seismic sensor

3

39V-4F

Seismic sensor

4

39VS-51, 52

Vibration probes

61, 62 71, 72 81, 82 5

77RP-101

Keyphasor

6

96VC-61

Axial displacement sensor

7

BT-RGB1-1A, 1B

Thermocouple

2A, 2B 8

BT-RGB2-1A, 1B

Thermocouple

2A, 2B 9

BT-RGP1-1A, 1B

Dual thermocouple Bentley Nevada

2A, 2B 10

BT-RGP2-1A, 1B

Dual thermocouple Bentley Nevada

2A, 2B 11

Thermocouple

LT-RGCD-1

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GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

Rev :

A

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DRAWINGS - LOAD GEAR SYSTEM -

39VS-51, 52

4

39VS-61, 62

4

39VS-81, 82

4

5

39VS-71, 72

4

11

A

77RP-101

A LT-RGCD-1

VIEW OF LOAD GEAR

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N° OMMDR_0495_6B_01_EN

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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A

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DRAWINGS 39V-4D

1

39V-4E

2

- LOAD GEAR SYSTEM 96VC-61

BT-RGP1-1A, 1B BT-RGP1-2A, 2B

BT-RGB1-1A, 1B BT-RGB1-2A, 2B

9

6

7

10

BT-RGP2-1A, 1B BT-RGP2-2A, 2B

3

39V-4F

8

BT-RGB2-1A, 1B BT-RGB2-2A, 2B

SECTION A - A

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N° OMMDR_0495_6B_01_EN

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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A

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DRAWINGS - GAS TURBINE UNIT PART

NOMENCLATURE

1

Gas turbine accessories

2

Compressor section

3

Combustion section

4

Turbine section

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N°

OMMDR_Unit_6B_01_EN

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Date : 10/07

GE Energy Products - Europe OPERATION AND MAINTENANCE GUIDE

Rev :

A

Page :

2/2

DRAWINGS - GAS TURBINE UNIT -

1

2

4

3

ELEVATION VIEW

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GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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DRAWINGS - COMPRESSOR SECTION ASSEMBLY PART

NOMENCLATURE

1

Inlet plenum

2

Case assy. Compressor

3

Inlet guide vane assembly

4

Compressor rotor

5

Spacer, access coupling

6

Ring seal

7

Bearing seal 1

8

Shim

9

Bearing thrust

10

Liner bearing 1& 2

11

Seal stationary, oil bearing

12

Oil circuit

13

Aft compressor casing

14

Compressor discharge casing

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OMMDR_Compressor_6B_01_EN

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GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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A

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DRAWINGS - COMPRESSOR SECTION ASSEMBLY -

DETAIL FOR DLN OPTION

COMBUSTION SECTION

SEE VIEW B

TURBINE ROTOR

SEE VIEW A

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N° OMMDR_Compressor_6B_01_EN

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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A

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DRAWINGS - COMPRESSOR SECTION ASSEMBLY INLET PLENUM

1

5

6

7

10

8

12

2

3

9

11

DETAIL C 4

FORWARD STUBSHAFT SEE DETAIL C

VIEW A

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GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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DRAWINGS - COMPRESSOR SECTION ASSEMBLY COMPRESSOR STATOR - STAGE 1 TO 17 AND EXIT GUIDE VANES ( E.G.V.) 2 STAGES -

2

13

14

4

FORWARD STUBSHAFT AFT STUBSHAFT COMPRESSOR ROTOR – STAGES 1 TO 17

ELEVATION VIEW B – UPPER HALF SECTION

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N° OMMDR_Compressor_6B_01_EN

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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DRAWINGS - COMBUSTION SECTION ASSEMBLY PART

NOMENCLATURE

1

Wrapper

2

Combustion chamber (10)

3

Transition piece

4

Liner

5

Flow sleeve

6

Cover and fuel nozzle assy.

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OMMDR_Combustion_6B_02_EN

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GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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A

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DRAWINGS - COMBUSTION SECTION ASSEMBLY -

4

5

2

1

6

3

COMPRESSOR DISCHARGE CASING

COMPOSITE CROSS-SECTION – THRU TYP. CHAMBER (10 CHAMBERS)

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DRAWINGS - TURBINE SECTION ASSEMBLY PART

NOMENCLATURE

1

Support ring

2

1st stage nozzle

3

2nd stage nozzle

4

3rd stage nozzle

5

Exhaust frame

6

N° 2 bearing assembly

7

1ST stage wheel and buckets assy.

8

2ND stage wheel and buckets assy.

9

3RD stage wheel and buckets assy.

10

Exhaust frame

11

Exhaust diffuser

12

Exhaust plenum

13

Load coupling

14

Exhaust thermocouple

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OMMDR_Turbine_6B_01_EN

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Date : 10/07

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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A

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DRAWINGS - TURBINE SECTION ASSEMBLY -

SEE DETAIL 2

SEE DETAIL 1

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N° OMMDR_Turbine_6B_01_EN

GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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DRAWINGS 1st STAGE SHROUD

2ND STAGE SHROUD

- TURBINE SECTION ASSEMBLY 3RD STAGE SHROUD

1

2

3

4

5

COMBUSTION SECTION

COMPRESSOR DISCHARGE SECTION

6 TURBINE ROTOR

17TH STAGE

FORWARD STUBSHAFT

7

8

9

AFT STUBSHAFT

WHELL SPACER

DETAIL 1 – ELEVATION VIEW – UPPER HALF SECTION

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GE Energy Products - Europe OPERATION AND MAINTENANCE MANUAL

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DRAWINGS - TURBINE SECTION ASSEMBLY 10

11

12

14

13

DETAIL 2 – ELEVATION VIEW – UPPER HALF SECTION

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N° OMMDR_Turbine_6B_01_EN