Dg Spec Final Approval

CLIENT : RELIANCE INDUSTRIES LTD.

EQUIPMENT DESIGN

PROJECT : IDC & UTILTIY BLCOK

ENGINEERS

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

TECHNICAL SPECIFICATIONS FOR DIESEL GENERATING SETS FOR BID ENQUIRY

REVISION NO. ISSUED FOR PREPD.BY/DATE CHKD. BY/DATE APPD. BY/ DATE

A REVIEW/

R0 ISSEUED

APPROVAL ET : 30/08/07 PSL : 30/08/07

ENQUIRY ET: 11/09/07 PSL : 12/09/07

FOR

R1 REVISED AS PER RIL COMMENTS ET: 18/09/07 PSL : 19/09/07

1 OF 41

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 2 OF 41

I.DIESEL GENERATING SETS: SCOPE...........................................................................................................................3 II.APPROVAL FROM STATUTORY AUTHORITIES......................................................................................................4 III.EXCLUSIONS ..................................................................................................................................................................4 IV.DESIGN ..............................................................................................................................................................................4 V.

SPARES .....................................................................................................................................................................4

V.CODES & STANDARDS....................................................................................................................................................5 VI.GENERAL..........................................................................................................................................................................6 VII.OPERATING CONDITIONS.........................................................................................................................................6 VIII.TECHNICAL PARTICULARS AND DATA SHEETS...............................................................................................7 IX.PERFORMANCE REQUIREMENT..............................................................................................................................8 X.ALTERNATOR ...................................................................................................................................................................9 XI.GENERATOR CONTROL PANEL...............................................................................................................................14 XII.11KV SWITCHGEAR FOR DG OUTPUT CONTROL ...........................................................................................21 XIII.DIESEL ENGINE .......................................................................................................................................................26 XIV.INDUCTION MOTORS FOR AUXILIARY DRIVES..............................................................................................31 XV.PLC SYSTEM FOR DG.................................................................................................................................................32 XVI.TESTS............................................................................................................................................................................37 XVII.MAINTENANCE TOOL AND TACKLES...............................................................................................................39 XVIII.SPARES.......................................................................................................................................................................39 XIX.DRAWINGS AND DOCUMENTS SCHEDULE ......................................................................................................40

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

I.

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 3 OF 41

DIESEL GENERATING SETS: SCOPE

This specification covers the technical requirements of design, manufacture, inspection and testing at manufacturer's works, delivery to site, supervision of erection, testing and commissioning of Four (4) nos. diesel generator sets having generation voltage of 11kV, rated output of 3750KVA (continuous), 1500 rpm comprising the following: 1.

DG set complete with all ancillary equipment, accessories, instruments and associated controls.

2.

Fuel oil system complete with 990 L. day tank, feed pump, priming pump, necessary piping, valves, filters and strainers, instruments, accessories, etc.

3.

Lubricating oil (L.O.) system complete with L.O. sump, L.O. Pump, necessary piping, valves and fittings, filters and strainers, L.O. heat exchanger, instruments, accessories etc.

4.

Compressed air assisted starting system with all accessories like compressor, compressed air bottle, necessary piping, valves etc., electrical starter for the compressor, interconnecting LV power and control cables to make the system self-sufficient. In case the Supplier’s standard design provides for battery starting, he may offer complete system related to battery starting.

5.

Air intake and exhaust system, complete with filters, silencers, ducts, pipe fittings & accessories and supporting arrangement for exhaust system. The silencer shall be “residential” type.

6.

Directly coupled A.C. machine (generator) with terminal box, rotating diode type brush-less exciter, automatic voltage regulator, alarm initiating devices and other accessories.

7.

Independent control panel with controls and instruments for each engine & alternator complete with AMF facility for starting of the engine and with necessary controls, interlocks, protections, metering and indications as per functional requirement of AMF feature. 11 KV VCB panel to be installed local to the gensets, complete with all controls shall also be included under this facility.

8.

Motors for auxiliary drives.

9.

Automatic and Manual synchronizing equipment for 4 DG sets.

10.

Anti-vibration pads for mounting of the DG set.

11.

PLC control system with SCADA function for remote operation of the DG system with facilities for event logging, trending, mimics alarm etc.

12.

LT power cables and control & signaling cables for DG installation along with the cable schedule for the same.

13.

Supply of consumables/spares for testing and commissioning of the DG sets at site.

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

II.

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 4 OF 41

APPROVAL FROM STATUTORY AUTHORITIES.

The Bidder shall be responsible to obtain the approval of the Electrical Inspectorate or any other required statutory

authorities including approval from the Maharashtra Pollution Board and No Objection Certificate

from M.S.E.B. for the design, supply, installation, testing and commissioning of the equipment under his scope. Necessary official fees and charges will be reimbursed by the Purchaser on production of the receipt. All the required drawings, documents for the above purpose shall be prepared and supplied by the Supplier.

III.

EXCLUSIONS

Equipments & services excluded from scope of this specification. 

All Civil works



11kV Cables



Main Bulk storage tank for diesel



Chimney and supporting structure



Cooling Tower with associated cooling water circulation pumps

However design inputs for chimney, supporting structure and cooling tower to be provided by the vendor.

IV.

DESIGN

The design and workmanship shall be in accordance with the best engineering practices, to ensure satisfactory performance and service life. The equipment offered by the Supplier shall be complete in all respects. Any materials or accessories, which may not have been specifically mentioned, but which are usual and necessary for the satisfactory and trouble free operation and maintenance of the equipment, shall be provided without any extra cost to the purchaser.

V.

SPARES

Sufficient spares for the DG Sets , shall be provided by the Bidder for maintenance of the DG Set for at least 2Years after successful commissioning , separate Quotation shall be provided for the same. Annual maintenance contract of the DG Set from the successful Bidder shall be negotiated separately. All Commissioning SPARES are tobe listed for FREE supply by the Bidder.

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

V.

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 5 OF 41

CODES & STANDARDS

The design, construction, manufacture, inspection, testing and performance shall comply with all the currently applicable statutes, safety codes, latest editions of relevant Indian Standards (IS), British Standards (BS), International Electro Technical Commission (IEC) publication, NEMA and VDE Standards. Some of the applicable Standards are given below: IS 1601 BS-5514 IS-1600 IS-1460 IS-4729 IS-78 IS-2516 IS-3427 IS-2705 IS-3156 IS-375 IS-5422 IS-4722 IS-1885 IS-4729 IS-4728 IS-2208 IS-1248 IS-3231 IS-5082 IS-3072 IS-6875 IS-2551 IS-2253

-

IS-6362 IS-4889 IS-4691 AIEE-60

-

IEC-34

-

Performance & testing of IC engines for general purpose Performance & testing of diesel Part 3-5 engines for general purposes Type testing of constant speed internal combustion engines for general purposes Specification for diesel fuels Measurement and evaluation of vibration of rotating electrical machines Guide for testing insulation resistance of rotating machines A.C. Circuit breakers Metal enclosed switchgear Current transformers Voltage transformers Marking and arrangement for switchgear bus bars Turbine type generators Rotating electrical machines Electro technical vocabulary Part XXXV Measurement and evaluation of rotating electrical machines Terminal markings for rotating electrical machinery HRC cartridge fuse links up to 650V Electrical indicating instruments Electrical relays for power system protection Aluminium busbars Installation and maintenance of switchgear Control Switches Danger notice plates Designations for types of construction & mounting arrangement of rotating electrical machines Designation of methods of cooling for rotating electrical Method of determination of efficiency of rotating electrical machinery Degrees of protection provided by enclosures for rotating electrical machinery Recommended specification for speed governing of internal combustion engine generator units Rotating Machines

The DG set shall also conform to the provisions of latest Indian Electricity Act, Indian Electricity Rules and Regulations of Statutory Authorities (Chief Electrical Inspector to the Government) and the norms set by the Pollution Control Board. The equipment conforming to any other national standards, which ensure equivalent quality, are acceptable. In such cases, the Bidder shall clearly indicate the standard adopted, and furnish a copy of the English translation of the standard along with the tender. Should there be any dispute on design standard; the most stringent one shall be adopted.

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

VI. 

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 6 OF 41

GENERAL

The diesel generating set shall

be indoor type AMF operated and shall comprise of diesel engine,

coupled to a suitable alternator, having brush-less excitation system complete with all accessories. 

All equipment shall be of the class most suitable for working under the specified conditions and shall withstand the atmospheric conditions without deterioration and without affecting the performance requirements.



Material of construction for interconnecting pipes, pipe fittings, exhaust duct, bolts and nuts shall be as per relevant standards and suitable to withstand the temperature of the gas/liquid within the pipe. All externally mounted hardware can be of cast iron.



Nameplates and labels provided for engine, alternator, control panel and Switchgear, accessories, etc. shall be of stainless steel only.

VII. 

OPERATING CONDITIONS

D.G. sets are intended for supplying stand-by power as the most reliable source of supply, in the event of failure of utility grid.



The electrical load for diesel generating system shall comprise HT (6.6 KV)/LT motors, lighting and other miscellaneous loads fed through suitable step-down transformers.



The starting time of the set shall be kept to a minimum which has been specified in Annexure-I.



The DG sets shall be suitable for parallel operation among themselves. Parallel operation with utility grid is not envisaged.



Momentary paralleling with grid at the time of restoration of power supply should be possible.

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 7 OF 41

VIII. TECHNICAL PARTICULARS AND DATA SHEETS

Sr.

1

Description Quantity

Requirement 4 Nos.(as per delivery schedule indicated

2 3 4 5

Type of installation Rating (MVA) Rated Output voltage (KV) Site conditions Altitude

elsewhere) INDOOR 3.75 (continuous) 11 Less than 1000 M. above Mean Sea Level

Ambient Temperature Maximum Minimum Design Relative Humidity Maximum Site Environment

40o C 10o C 45o C inside DG House 95% Polluted

Bidder’s Confirmation

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

IX. 1 2

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Rev-R0 8 OF 41

PERFORMANCE REQUIREMENT

Type of output voltage Nature of load

Sinusoidal 3 Nos. 6.6kV, 900KW chillers fed

through

11/6.6

*

KV

transformers and other LT load with maximum motor rating of 110kW fed through 11/0.433 KV

3

Time for Diesel engine to start and take up load

transformers. Maximum 15 Seconds.

4

from Grid failure Mode of operation In case of grid power failure

Synchronized Out of 4 sets, Engines of 3 pre

* *

selected “duty” DG shall start on AMF and take up the loads within stipulated time.

4.1.1

Isolated/ parallel mode With grid supply

The DG sets shall never be operated in parallel with grid supply except for momentary

4.1.2

Isolated mode

paralleling for power restoration. During initial stage of project implementation, 1 no. DG set may be required to run in isolation to cater to the initial load.

4.1.3

Parallel mode

When the complete project is implemented, the DG sets shall be

required

to

synchronize

among themselves and take up the entire load proposed to be 4.1.4

Shut down of DG sets after restoration of grid

connected to them. This shall not be automatic and

supply.

manual intervention for DG shut down and re-transfer the bus to grid supply will be required.

*

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

X. Sr.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Rev-R0 9 OF 41

ALTERNATOR Description

Requirement

Bidder’s

1 2 3 4 5 6

Rated voltage and frequency Output rating Rated Power factor Type of enclosure Degree of protection Class of insulation / temperature rise

3 phase, 11KV, 50Hz 3750 KVA 0.8 Industrial SPDP IP23 Min. Class `F' with temp. rise

7 8

Type of cooling Generator neutral system earthing

limited to class B Air cooled Solidly earthed.

recommendation

clarify whether neutral of all DG

Confirmation

Bidder

to

*

sets can be directly earthed or through an isolator for earthing of individual DG set, one at a Neutral isolation facility

time. In case the bidder recommends

*

the earthing of neutral of one of the four DG sets only, then the bidder shall include isolator / contactor, adequately rated for each of the DG set in his scope

9 10

Minimum protections required Excitation system Type Type of exciter

of supply. Refer clause no: 11 of part 34 rotating diode type brush-less

*

excitation system fast response type designed to

*

have a low time constant to minimize

voltage

transients

Insulation Exciter system

under severe load changes. class F Shaft driven A.C. exciter with

In built protections for over-voltage and rate of

rotating rectifiers. Required

rise of voltage

SPECIFICATIONS FOR EQUIPMENT DESIGN

DIESEL GENERATING SETS

ENGINEERS

CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Sr.

Description

Requirement

10.1. 1

Field forcing capability

capable of forcing the field for

Rev-R0 10 OF 41

Bidder’s Confirmation

more than 3 sec in the event of dead fault at the terminals.

11

Contribution by DG to faults downstream in

12

MVA Initial during 1st 7 cycles corresponding to xd” Up to 0.5 sec corresponding to xd’ Continuous corresponding to xd Maximum over voltage surge that DG set can

* * * *

withstand without deterioration and subsequent damage. (Note DG sets are controlled by

13

VCBs) AUTOMATIC VOLTAGE REGULATOR Type

High speed, adjustable dead

Control CTs and VTs for AVR operation

band, Electronic type AUTO/MANUAL To be included by the bidder as

Accuracy Response time for step load (from no load to

*

required. + 0.5% from no load to full load *

full load) &recovery of voltage to within 95%-in

14

15

sec. Range of voltage adjustment Performance Figures Efficiency at 100% loads Efficiency at 75% loads Efficiency at 50% loads Temperature rise Cooling medium temperature

* * * (measured by

*

detector or thermometer), °C Temperature rise of armature winding above

*

cooling

16

*

medium

(measured

by

embedded

detectors), °C Temperature rise of field winding above cooling

*

medium temperature (resistance), °C Temperature of cooling air from the windings

*

(detector or thermocouple), °C Losses Total no-load losses

*

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

Sr.

Description

16.1. 1 16.1. 2 16.1. 3

Total load losses at 50% load

SHEET NO.

Requirement

Rev-R0 11 OF 41

Bidder’s Confirmation

17

18

Total load losses at 75% load Total load losses at 100% load Short circuit current withstand and duration Asymmetrical short circuit current withstand and

*

duration for 3 sec. Symmetrical short circuit current withstand and

*

duration for 3 sec. Electrical characteristics

(calculated

on

maximum capacity) at 100% cooling for direct axis and quadrature axis Unsaturated synchronous reactance % Unsaturated transient reactance % Unsaturated sub-transient reactance % Saturated synchronous reactance % Saturated transient reactance % Saturated sub-transient reactance % Sr.

18.1. 1 18.1. 2

19

20

21

Description

* * * * * * Requirement

Bidder’s

Negative sequence reactance % Zero sequence reactance % D.C. resistance stator winding

Confirmation * * * *

rotor winding

*

Machine Time Constant Open circuit transient time constant Short circuit transient time constant Short circuit sub-transient time constant Short circuit armature time constant Unbalanced Stator Current Capability Ratio of negative sequence component of the

8% or more

*

system currents to rated current Momentary Excess current for Generator

capable of withstanding fifteen

*

* * * *

(15) sec. a current of fifty (50) percent in excess of its rated current

22

Stator Material of construction

high

quality

lamination

to

silicon

steel

achieve

high

permeability with low hysterisis

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

Sr.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Description

Requirement

Windings

and eddy current losses. securely braced and wedged to

Rev-R0 12 OF 41

Bidder’s Confirmation

withstand

damage

from

mechanical & electrical forces imposed on the windings during full

voltage

conditions &

short for

the

circuit same

reason, they have to be heavily insulated

23

Rotor Construction

machined from a solid steel forging

Sr.

Description

Requirement

Bidder’s

Rotor winding MOC

Silver bearing copper

Joints between coils or half coils

to be brazed to be provided

*

26 27 28

Damper winding for satisfactory parallel running Insulation level Basic insulation level, KV peak Power frequency withstand, KV r.m.s. Vibration limits Noise level Painting finish

As per BS/IEC As per BS/IEC Within limits of BS/IEC Within limits of BS/IEC Epoxy. Paint Shade as per

* * * * *

29

Termination details

Confirmation

24 25

manufacturer’s standard. Cable Box suitable for 1 no. 11 KV, Al/XLPE, 3Cx300 sq. mm. cable

30

with

heat

shrink

termination – Raychem type Extra bracing for insulation

*

switching surges generated by VCB. Accessories Thermostat controlled anti-condensation space

Required. Supply voltage 240V

*

heater RTDS

AC, 50 Hz wired up to the terminal block in

*

Special precautions taken in the insulation system of the generator for protections against

31

a separate terminal box

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

Sr.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Rev-R0 13 OF 41

Description

Requirement

Bidder’s

Rotor winding MOC

Silver bearing copper

Joints between coils or half coils

to be brazed to be provided

*

26 27 28

Damper winding for satisfactory parallel running Insulation level Basic insulation level, KV peak Power frequency withstand, KV r.m.s. Vibration limits Noise level Painting finish

As per BS/IEC As per BS/IEC Within limits of BS/IEC Within limits of BS/IEC Epoxy. Paint Shade as per

* * * * *

29

Termination details

Confirmation

24 25

manufacturer’s standard. Cable Box suitable for 1 no. 11 KV, Al/XLPE, 3Cx300 sq. mm. cable

30

with

heat

shrink

termination – Raychem type Extra bracing for insulation

*

switching surges generated by VCB. Accessories Thermostat controlled anti-condensation space

Required. Supply voltage 240V

*

heater 2 nos. bearing RTDs

AC, 50 Hz Required

*

6 nos. winding RTDS (2nos./phase)

Required

*

12-point Temperature Scanner for generator

Required

*

RTDs Earhing Earthing pads for alternator

Required

*

Two independent earth terminals on the frame,

Required

Special precautions taken in the insulation system of the generator for protections against

31

31.1. 1 31.1. 2

winding RTDs and engine & generator bearing

31.1. 3 31.1. 4

complete with nuts, spring washer, and plain washer for earthing of engine.. Vibration monitoring system including sensors

Required

*

and compatible monitoring unit to provide

32 33

alarm. Make of Alternator Protection CTs Construction Location

Cast Resin Neutral side of phase winding &

Ratio & class

neutral circuit Refer Attached S.L.D. for

*

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

Sr.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Rev-R0 14 OF 41

Description

Requirement

Bidder’s

Rotor winding MOC

Silver bearing copper

Joints between coils or half coils

to be brazed to be provided

*

26 27 28

Damper winding for satisfactory parallel running Insulation level Basic insulation level, KV peak Power frequency withstand, KV r.m.s. Vibration limits Noise level Painting finish

As per BS/IEC As per BS/IEC Within limits of BS/IEC Within limits of BS/IEC Epoxy. Paint Shade as per

* * * * *

29

Termination details

Confirmation

24 25

manufacturer’s standard. Cable Box suitable for 1 no. 11 KV, Al/XLPE, 3Cx300 sq. mm. cable

30

Special precautions taken in the insulation

with

heat

shrink

termination – Raychem type Extra bracing for insulation

*

Required. Supply voltage 240V

*

system of the generator for protections against

31

switching surges generated by VCB. Accessories Thermostat controlled anti-condensation space heater

34

AC, 50 Hz Metering & Protections

Normal time the genset can run continuously

*

without requiring maintenance. (in hours)

XI.

GENERATOR CONTROL PANEL

Sr.

Description

Requirement

1 2 3 4 5 5.1 5.2 5.3

Execution Installation Degree of protection Sheet steel Sheet steel thickness Base frame / channel Load bearing members Internal partitions, doors etc

floor mounting Indoor IP52 CRCA

Bidder’s Confirmation

3mm 2mm 1.6mm

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

Sr.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Description

Requirement

Type of assembly Surface treatment

Bolted 7 tank for removal of rust,

Rev-R0 15 OF 41

Bidder’s Confirmation

6 7

scale, oil,

grease & dirt by

pickling followed by phospating followed by 2 coats of zinc rich

8

Surface finish

primer Powder

9 10

Cable entry Panel accessories

paint shade RAL-7032 Bottom Thermostat controlled space

11

Protective Relays Type

Coated

Epoxy

with

heater and cubicle lamp

Supply Voltage Rated Current No. of output contacts Operation indicator Minimum protective functions required 11.1. 1 11.1. 2 11.1. 3 11.1. 4 11.1. 5 11.1. 6 11.1. 7

Numerical,

programmable

at

site 110V DC 1A As required for control scheme Required Voltage restraint IDMT Over

*

current Under frequency

*

Over frequency

*

Under voltage

*

Over voltage

*

Reverse power/ loss of prime

*

mover Restricted

*

earth

fault

instantaneous (high impedance circulating current)

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

11.1. 8 11.1. 9

SHEET NO.

Rev-R0 16 OF 41

IDMT earth fault – residual

*

current based Standby ground over current

*

fault

IDMT,

neutral

current

based Negative phase sequence over

11.1. 10

current,

voltage

unbalance,

inter-turn fault Loss of excitation

11.1.1 1 11.1. 12 11.1. 13

Differential over current

11.1. 14 11.1. 15

Master trip relay, hand reset,

*

lock out type Trip ckt supervision relay

*

Redundancy in BUS PT voltage (through BUS PT Relay ) for 110V AC Bus Wiring control Bus with for both sections of 11KV Switchgear Board. Field Protection Relays for the

11.1. 16

Exciter (single E/F (alarm) ,

Double E/F (trip ) NOTE:The above functions can be discrete numerical relays based or software based built into PLC. 12 Meters Type Digital, 7 segment LED Metering Required For Line Currents, Line voltages, frequency, PF, KVA, KW, kVAR (Multi-function Load Managers are preferred)

13

Control and selector switches Auto/Manual to select

Auto

Local / Remote to select Breaker Control switch

operation Local or Remote mode Trip - Neutral - Close, Spring

or

manual

return to Neutral.

14

Indicating Lamps Type Lens colours Red : C.B. “ON” Green : C.B. “OFF” White : “Trip Supply Supervision” Amber : Auto trip White : “Spring Charged” RYB : Phase Indication

Cluster LED

mode

of

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

11.1. 8 11.1. 9

SHEET NO.

Rev-R0 17 OF 41

IDMT earth fault – residual

*

current based Standby ground over current

*

fault

IDMT,

neutral

current

based Negative phase sequence over

11.1. 10

current,

voltage

unbalance,

inter-turn fault Loss of excitation

11.1.1 1 11.1. 12 11.1. 13

Differential over current

11.1. 14 11.1. 15

Master trip relay, hand reset,

*

lock out type Trip ckt supervision relay

*

Redundancy in BUS PT voltage (through BUS PT Relay ) for 110V AC Bus Wiring control Bus with for both sections of 11KV Switchgear Board. Field Protection Relays for the

11.1. 16

Exciter (single E/F (alarm) ,

Double E/F (trip ) NOTE:The above functions can be discrete numerical relays based or software based built into PLC. 12 Meters Type Digital, 7 segment LED Metering Required For Line Currents, Line voltages, frequency, PF, KVA, KW, kVAR (Multi-function Load Managers are preferred)

13 15

Control and selector switches Window type facia annunciators Voltage Equipped with

110V DC ‘Sound Cancel’, ‘Acknowledge’

Provided with

and ‘Reset’ push buttons Two lamps connected

Suitable for

parallel on each facia window Open to Alarm & Close to

Alarm –site selectable Designed for an operating sequence indicated below Alarm Condition Fault Contact Audible Visual Alarm Normal Abnormal

Open Closed

Alarm Off On

Off Flashing

in

*

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

11.1. 8 11.1. 9

SHEET NO.

Rev-R0 18 OF 41

IDMT earth fault – residual

*

current based Standby ground over current

*

fault

IDMT,

neutral

current

based Negative phase sequence over

11.1. 10

current,

voltage

unbalance,

inter-turn fault Loss of excitation

11.1.1 1 11.1. 12 11.1. 13

Differential over current

11.1. 14 11.1. 15

Master trip relay, hand reset,

*

lock out type Trip ckt supervision relay

*

Redundancy in BUS PT voltage (through BUS PT Relay ) for 110V AC Bus Wiring control Bus with for both sections of 11KV Switchgear Board. Field Protection Relays for the

11.1. 16

Exciter (single E/F (alarm) ,

Double E/F (trip ) NOTE:The above functions can be discrete numerical relays based or software based built into PLC. 12 Meters Type Digital, 7 segment LED Metering Required For Line Currents, Line voltages, frequency, PF, KVA, KW, kVAR (Multi-function Load Managers are preferred)

13

Control and selector switches Sound cancel Closed or Open Acknowledge Closed or Open Back to Normal Open Reset Open Lamp Test Open Minimum alarm/annunciation required

for

Off Flashing Off Steady on Off Steady on Off Off Off Steady on Generator electrical faults

alternator Downstream system fault Bearing temperature high Winding temperature high AVR trouble Excitation trouble

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

11.1. 8 11.1. 9

SHEET NO.

Rev-R0 19 OF 41

IDMT earth fault – residual

*

current based Standby ground over current

*

fault

IDMT,

neutral

current

based Negative phase sequence over

11.1. 10

current,

voltage

unbalance,

inter-turn fault Loss of excitation

11.1.1 1 11.1. 12 11.1. 13

Differential over current

11.1. 14 11.1. 15

Master trip relay, hand reset,

*

lock out type Trip ckt supervision relay

*

Redundancy in BUS PT voltage (through BUS PT Relay ) for 110V AC Bus Wiring control Bus with for both sections of 11KV Switchgear Board. Field Protection Relays for the

11.1. 16

Exciter (single E/F (alarm) ,

Double E/F (trip ) NOTE:The above functions can be discrete numerical relays based or software based built into PLC. 12 Meters Type Digital, 7 segment LED Metering Required For Line Currents, Line voltages, frequency, PF, KVA, KW, kVAR (Multi-function Load Managers are preferred)

13 16

Control and selector switches Minimum alarm/annunciation engine

required

for

Lube. oil pressure low & lowlow Jacket water temperature high and high-high Engine fails to start Engine/ Generator

Bearing

temperature high and high-high Engine shutdown Compressed air system trouble Engine over speed

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Rev-R0 20 OF 41

Fuel oil tank level low and lowlow

17

18

19 19.1. 1

Push buttons Type

Spring return or stay put type as required 2 NO + 2 NC minimum

Contacts Labels & Name Plates Material Engraving

PVC or Anodised Aluminimum Black engraving on white background To suit application / importance. With self-tapping screws.

Size of the label Fixing Wiring Control wiring Type

660V

grade,

PVC

insulated

19.1. 2

Size

super-flexible copper wire 2.5 sq. mm. for CT circuit

19.1. 3

Colour

1.5 sq. mm. for control circuit Black for AC circuits and Grey

19.1. 4

Termination on equipment terminals / terminal

for DC circuit With crimped

blocks

copper lugs , preferably WAGO

19.1. 5

Ferruling

Type Required with non – detachable

20 21

Terminal Blocks Control terminal size No. of spare control terminals Synchronizing Facility Auto Synchronizing with each other Manual synchronizing facility Check synchro. facility to prevent synchronizing

type,

tinned

type printed ferrules Preferably WAGO type 2.5 sq. mm. minimum 10% minimum

wrong

Required Required Required

* * *

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

XII.

1

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

Execution

Indoor, metal enclosed, mounting, free-

standing,

5 6

SHEET NO.

11KV SWITCHGEAR FOR DG OUTPUT CONTROL

floor

2 3 4

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

Degree of protection Sheet steel Sheet steel thickness Base frame / channel Load bearing members Internal partitions, doors etc Type of assembly Surface treatment

dust

and

vermin-proof IP4X CRCA 3mm 2mm 1.6mm Bolted 7 tank for removal of rust, scale, oil,

grease,

dirt by pickling followed by phosphating followed by 2 coats of

7

Surface Finish

zinc rich primer Powder Coated Epoxy with paint shade RAL

8 9 10

Cable entry Version of circuit breakers – fixed or draw-out Panel accessories

7032 Bottom Drawout Space heater with MCB and thermostat + cubicle lamp

11

Bus bars Material Continuous current rating Insulation for bus bars

Electrolytic Aluminium 400A Heat shrinkable providing full insulation

*

Rev-R0 21 OF 41

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Bus bar temperature rise while carrying

Final

temperature

of

rated current

85 C for bus bars and 0

900C for joints with an

12

12.1.1 12.1.2

Bus bar Supports Circuit breaker Type of circuit breakers No. of poles Make Rating Derated current rating at site condition Breaking capacity Short time rating Execution Mechanism Control Supply Voltage Spring charging Motor Closing and tripping coil CB mechanical indications (flags)

ambient of 400C SMC, DMC or cast resin Vacuum 3 * 630A 630A 26.24kA at 11kV = 500 MVA 26.24kA for 1 second Draw – out Motorised 240V AC 110V DC `ON’, `OFF’,

“Service”,

“Test”, “Isolated”, “Spring CB operation facility

charged” AUTO/MANUAL

Spare Auxiliary contacts

4 NO + 4 NC wired to terminal block

13

14

Requirement of surge suppressor For machines switched with VCB Type Class Meters Type Metering required for

Required Gapless, Zinc Oxide Rotating Machine class Digital, 7 segment LED Line Currents, Line voltages

15

Control and selector switches Function Auto/manual to select

Auto or manual mode of

Local / remote to select Breaker control switch

operation Local or Remote mode Trip - Neutral - Close, Spring return to Neutral.

16

Indicating lamps Type Lens colours Red : C.B. “ON” Green : C.B. “OFF”

Cluster LED

*

Rev-R0 22 OF 41

SPECIFICATIONS FOR EQUIPMENT DESIGN

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS

ENGINEERS

CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Bus bar temperature rise while carrying

Final

temperature

of

rated current

85 C for bus bars and 0

900C for joints with an

12

12.1.1 12.1.2

Bus bar Supports Circuit breaker Type of circuit breakers No. of poles Make Rating Derated current rating at site condition Breaking capacity Short time rating Execution Mechanism Control Supply Voltage Spring charging Motor Closing and tripping coil CB mechanical indications (flags)

ambient of 400C SMC, DMC or cast resin Vacuum 3 * 630A 630A 26.24kA at 11kV = 500 MVA 26.24kA for 1 second Draw – out Motorised 240V AC 110V DC `ON’, `OFF’,

“Service”,

“Test”, “Isolated”, “Spring CB operation facility

charged” AUTO/MANUAL

Spare Auxiliary contacts

4 NO + 4 NC wired to terminal block

17

18

White : Amber : White : RYB : Push Buttons Type

“Trip Supply Supervision” Auto trip “Spring Charged” Phase Indication

Contacts Labels & Nameplates Material

Spring return or stay put type as required 2 NO + 2 NC minimum PVC

or

Anodised

Engraving

Aluminimum Black engraving

Size of the label

white background To suit application

Fixing

importance. With self-tapping

Use

screws. Main Panel,

on /

feeders

and individual devices

*

Rev-R0 23 OF 41

SPECIFICATIONS FOR EQUIPMENT DESIGN

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS

ENGINEERS

CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Bus bar temperature rise while carrying

Final

temperature

of

rated current

85 C for bus bars and 0

900C for joints with an

12

12.1.1 12.1.2

ambient of 400C SMC, DMC or cast resin

Bus bar Supports Circuit breaker Type of circuit breakers No. of poles Make Rating Derated current rating at site condition Breaking capacity

Vacuum 3 * 630A 630A 26.24kA at 11kV = 500 MVA 26.24kA for 1 second Draw – out Motorised

Short time rating Execution Mechanism Control Supply Voltage Spring charging Motor Closing and tripping coil CB mechanical indications (flags)

240V AC 110V DC `ON’, `OFF’,

“Service”,

“Test”, “Isolated”, “Spring CB operation facility

charged” AUTO/MANUAL

Spare Auxiliary contacts

4 NO + 4 NC wired to terminal block

19 19.1.1

Wiring Control wiring Type

660V insulated

19.1.2

grade,

PVC

super-flexible

copper wire 2.5 sq. mm. for CT

Size

circuit 1.5 sq. mm. for control 19.1.3

Colour

19.1.4

Termination

19.1.5

circuit Black for AC circuits and on

equipment

terminals

/

Grey for DC circuit With crimped type,

terminal blocks

tinned

copper

lugs

Ferruling

preferably WAGO Type Required with non – detachable type printed

20

Terminal blocks Control terminal size

ferrules Preferably WAGO type 2.5 sq. mm. minimum

*

Rev-R0 24 OF 41

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Bus bar temperature rise while carrying

Final

temperature

of

rated current

85 C for bus bars and 0

900C for joints with an

12

12.1.1 12.1.2

Bus bar Supports Circuit breaker Type of circuit breakers No. of poles Make Rating Derated current rating at site condition Breaking capacity Short time rating Execution Mechanism Control Supply Voltage Spring charging Motor Closing and tripping coil CB mechanical indications (flags)

ambient of 400C SMC, DMC or cast resin Vacuum 3 * 630A 630A 26.24kA at 11kV = 500

*

MVA 26.24kA for 1 second Draw – out Motorised 240V AC 110V DC `ON’, `OFF’,

“Service”,

“Test”, “Isolated”, “Spring

21 22

CB operation facility

charged” AUTO/MANUAL

Spare Auxiliary contacts

4 NO + 4 NC wired to

No. Of spare control terminals Testing All routine tests as per applicable standards Quality Assurance Plan

terminal block 10% minimum Required. *

Rev-R0 25 OF 41

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Rev-R0 26 OF 41

XIII. DIESEL ENGINE Sr.

1 2

Description Make Engine capacity (KW)

Requirement Compatible

with

Bidder’s Confirmation * *

alternator of 3750KVA

3

Type of fuel for engine

4 5 6

Engine Speed Short time overload capacity of engine Cooling Cooling water requirement Inlet water temperature Outlet water temperature Quality of cooling water Cooling water system monitoring instrumentation

0.8 PF commercial High speed diesel (HSD) 1500 RPM Water Cooled Mcu/Hr 32 Deg C 37 Deg C maximum Raw / DM/ treated Flow meters, inlet & outlet

water

* * * * * * * *

temp.

indicator Maximum duration the DG can run at rated load

7 8 9

without cooling water No of cylinders Time interval between successive starts Fuel oil system Day tank Capacity Accessory

* * * 990 liters Filling, draining

and

vent

with

connection

valves

and

switches

for

level low

oil

level & high oil level alarm

and

automatic

operation scheme for

Sr.

Type of filter

day-tank filling. Duplex

Description Pre-Combustion Chamber

Requirement Designed so

as

achieve

knock-

safe

Bidder’s Confirmation

free performance with smokeless exhaust

to

SPECIFICATIONS FOR EQUIPMENT DESIGN

DIESEL GENERATING SETS

ENGINEERS

Sr.

10

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

CLIENT : RELIANCE INDUSTRIES LTD.

Description Type of engine

SHEET NO.

Requirement multi-cylinder, enclosed, duty,

Rev-R0 27 OF 41

Bidder’s Confirmation totally

continuous direct

fuel

injection,

turbo-

charged,

compression

ignition, inter-cooled oil engine Specific fuel consumption under site conditions 10.1.1 10.1.2 10.1.3

11

Full Load 3/4 Full Load 1/2 Full Load Pressure fed type

Lubricating Oil System Lube. Oil required at rated Load Type of filter in lube oil system to take load due

* *

Duplex type

to clogging of Lube filter Arrangement to bypass the oil cooler during starting

until

oil

temperature

rises

Required

above

minimum. Bypass valve to prevent engine being starved of

Required

oil in case filter is choked Accessories such as

Required

pressure

gauges,

temperature indicators, pressure relief valves,

12 13

Sr.

bypass valves, pressure switches Engine shaft driven lube oil pump Electrical motor driven lube oil pump Lube Oil Coolers Engine starting system Type of starting

1 1 working+ 1 standby As Required Compressed air starting

Description No. of starts to be permitted by compressed air

Requirement Minimum 3 consecutive

system Compressed air system

starting attempts 1 no. compressor having

adequate

capacity to be installed local

to

engine.

the

diesel

Individual

compressor individual DG.

for

Bidder’s Confirmation

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

Sr.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

Description Completeness of compressed air system

SHEET NO.

Requirement Storage adequate

receiver to

Rev-R0 28 OF 41

Bidder’s Confirmation *

hold

compressed air for 3 successive starts of the engine,

necessary

interconnecting piping, pressure

gauges,

pressure switches for automatic cycling of the compressor, starter, Starting solenoid valves with manual bypass

14 14.1.1 14.1.2

valve for local starting ( UPS / DC Supply ) Governing system Make Type Load sharing features Adjustable droop Steady state speed regulation Steady state governing speed plus or minus % of

LV

electric power

&

control cabling. Required

* Electronic type Required Required

* * * *

rated speed Momentary over speed after full load rejection %

*

of rated speed Sr.

Description Momentary under speed of rated

Requirement

Bidder’s Confirmation *

speed after

sudden increase of 25% rated load Prescribed speed band ± rated speed Safety

over - speed trip device to

automatically

shut

off fuel in case the speed

exceeds

the

prescribed limit.

15

Exhaust system Engine exhaust system, complete with exhaust

Required

gas driven turbo charger, residential silencer, ducting, bends , silicate lagging, supporting accessories etc G.I. cladding for Exhaust pipes within enclosure

22 gauge with thermal insulation

* *

SPECIFICATIONS FOR EQUIPMENT DESIGN

DIESEL GENERATING SETS

ENGINEERS

Sr.

16

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

CLIENT : RELIANCE INDUSTRIES LTD.

Description Local Indicator Panel Flexibly mounted local indicator panel with speed

SHEET NO.

Requirement

Rev-R0 29 OF 41

Bidder’s Confirmation

Required

indicator and gauges for lubricating oil pressure

17

before and after filter Bearings

Self-aligning

Type No. Life Lubrication Type of lubricant Lubricating interval Well with a suitable thermometer in the oil drain

journal

bearings Self lubricated type * * * * * Required

and a suitable sight flow opening to observe bearing oil flow. They shall also be provided with Pt-100

Sr.

type

RTDs

for

monitoring

their

temperature. Maximum generator shaft voltage

100 mV

Description In case, shaft voltage exceeds 100mV

Requirement Non-driving

end

bearing

and

Bidder’s Confirmation

housing

lead-in & lead out pipes to be fully insulated (Non

18

conductive

Separate terminal box for space heater and

insulation) Required

R.T.D./Thermistors Forced Lubrication System

In

case

forced

lubrication is required, bidder shall provide 1 W+ 1 SB forced lube oil

19

Engine exercising facility to be built into engine and generator control panel “Service” (Duty)- Engine shall remain as “Ready-

pumps,

electrical

motor driven. Normal service, Auto, Manual

to-start” and shall start automatically when called upon (AMF) Automatic exercising

Engine should be able to start and run at a

*

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

Sr.

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

Description

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Requirement preset time (e.g. once

Bidder’s Confirmation

a week) and shall run for preset time (e.g. 30min) this shall be programmable at site Manual Exercising

without load Operator shall be in a position to start and run the engine as desired

20 21

Overall dimensions of fully assembled DG unit Without acoustic enclosure Weight schedule

Rev-R0 30 OF 41

*

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

Sr.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

Description Overall weight of complete system for foundation

SHEET NO.

Requirement

Rev-R0 31 OF 41

Bidder’s Confirmation *

design Heaviest single unit to be handled during normal

*

maintenance KGs

XIV. INDUCTION MOTORS FOR AUXILIARY DRIVES Sr.

1 2

Description Rated Voltage Type of installation

Requirement 415V ±10%, 50 Hz, ±5% Industrial, 3 phase,

3

Degree of protection

squirrel cage IP54 for indoor and IP 55

4 5

Reference standard Surface treatment

for outdoor IS 325. painted with

6

Winding treatment

works type epoxy paint windings shall be treated

chemical

for chemically corrosive atmosphere.

Overhang

shall be applied with gel

7

Minimum Motor rating

coat epoxy paint. 15% higher than

the

driven equipment input

8 9

Insulation class Minimum starting voltage

power requirement Class B or better 80% of rated voltage

Bidder’s Confirmation

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

XV.

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 32 OF 41

PLC SYSTEM FOR DG

A PLC (Programmable Logic Controller) system shall be provided for centralized control of 4nos. 3750 KVA DG sets. Only the functional requirement expected from the system are specified here. The Bidder has to make his own estimate about hardware requirement.

9.1 

SCOPE: Supply of hardware to support the software and for operator interface.



Develop software based on the functional requirements stipulated in this specification.



Loading of the software into PLC system at the Bidder’s Works and testing by simulation.



Deliver the equipment at site.



Supervision of installation, testing and on load commissioning of the system.



Training of the Owner’s operating personnel for 5 working days for operating, maintenance troubleshooting, editing / modifications to the software etc.



9.2

Supply of essential spares. PERFORMANCE REQUIREMENTS OF THE PLC SYSTEM –

The following performance activities are expected from the PLC: 

Starting and stopping of 04 nos. DG sets along with their auxiliaries in a sequenced manner.



The DG sets are to run in synchronism with each other.



The PLC shall allow selection of any three out of four DG duty sets as “Service” sets and fourth as “standby”.



Automatic Mains Failure starting of 3 nos. duty DG sets. In case one of the DG set fails to start or trip during operation, the standby DG set shall be brought into operation automatically.



ON – OFF control of DG sets VCBs.



Generation of static and dynamic mimic for each DG set along with important parameters of generator and engine.



Fault report generation indicating type of fault and date & time of occurrence of the fault. The system shall be capable of loading the faults in its memory for 48 hours.



Generation print-outs periodically or on-demand as desired by the operator in a format to be approved by the Purchaser.

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 33 OF 41

Basic System The basic system shall comprise the following: 

Central Processing Unit.



Adequate Memory for storing and running of the software.



Interfacing device viz.



Key board



Mouse



17” flat screen Colour Monitor



Laser Printer for taking hard copy output.



Programming unit (as described below)



Adequate number of digital I / O racks.



Adequate number of Analogue / Analogue or Analogue / digital converters.



Sheet steel cabinet to house the CPU, I / O racks and converters etc.



Interconnecting cabling between various devices of the system



Self – diagnostics.



Back – up storage of the software.



Any other hardware / software that is required to make the system complete and fully operational. The Bidder shall clearly spell out all such features is his Bid for better understanding / evaluation of his Bid.

System hardware requirement CPU The Bidder shall select the CPU with appropriate speed so that the software can be run with reasonable speed and the data can be updated reasonably fast. The Bidder shall furnish technical particulars of the CPU offered. MEMORY Memory offered shall be adequate: To store the entire software with at least 100% spare memory for future alternations additions / losses in corrupt memory segments. (ROM / Hard Disk) To run the entire software with at least 100% spare memory for the same purpose as above (RAM). The Bidder shall furnish technical particulars of the Memory offered. INTERFACING DEVICE The keyboard, Mouse and 17” flat screen colour monitor shall be standard commercially available device available in the market, to the extent possible. PRINTER This shall be standard commercially available laser type. Programming Unit This has been described in more details in the following paragraph under “Software”

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 34 OF 41

Digital I / O racks 

Digital input cards are required to accept inputs such as VCB auxiliary contacts, temperature switch, pressure switch contacts etc. These shall be potential – free. The interrogating voltage shall preferably be low voltage DC (such as 12 or 24 V. DC) which has to be generated by the Bidder. Digital output cards, complete with heavy duty auxiliary interposing relays if required, shall be suitable for onerous switching duty such as operation of VCB closing and tripping coil at 110 V. DC.



Analogue / Analogue or Analogue / Digital converters –

Analogue input signals such as DG set current and voltages shall be the inputs to the PLC system. Currents shall be 0-1 A and voltages 0-110V corresponding to 0-11 kV, 50 Hz AC signals. The converters shall convert them for use in PLC software. 

Construction

The sheet steel cabinet shall be floor mounting, free – standing, CRCA sheet cabinet made out of 2 mm thick sheet. The sheet shall under go 7 – tank chemical pre-treatment which shall be followed by epoxy based powder coating in shade RAL 7032 or the one approved by the Purchaser. The cubicle shall provide degree of protection not less than IP 52. Neoprene gasketting shall be provided at the doors and all metal-to-metal contacts. Louvres, if required, shall be covered by fine wire mesh. The cable entry shall be from bottom. Panel earthing and system earthing shall be provided as detailed under “Earthing“ below. If glass is used in the panel door for viewing of the PLC system, the same shall be heat resistant toughened type. The cubicle, in general, shall be aesthetically built and compatible with the system & its installation Interconnecting Cabling – All interconnecting cabling between the CPU, Digital I / O Racks, Analogue input racks, keyboard, mouse, VDU, printer, programming unit etc. shall be included by the Bidder in his scope of supply. Field cabling for digital inputs / outputs, analogue inputs etc. shall also be provided by the bidder. Self Diagnostic The PLC system shall be complete with hardware and software for providing self-diagnostic feature for the system. Failure of power supplies, components, PCBs shall be indicated by RED LEDs. The LEDs shall be tagged to indicate the type of failure that has taken place. The Bidder shall furnish an operations and Maintenance Manual highlighting the steps that are to be taken by the operator in the event of occurrence of such an event.

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 35 OF 41

Back – up storage of the software In the event of the software getting non-operative / corrupt due to some reason the operator should be capable of re-loading the same into the PLC system. The Bidder shall, therefore, included in his scope suitable back-up system such as a CD (with a drive) Completeness of the System If the Bidder feels that based on his experience certain additional hardware / software is required to be included by him to make the system fully operation, he shall offer the same, highlighting the particulars. Software The sequencing logic shall be either ladder diagram based or execution statement based. It is preferable that the operator is in a position to edit the logic or add the ladders / execution statement from his PC with the help of keyboard or mouse. Power supply The Purchaser shall make available power at 240V, Single phase, 50 Hz or 415 V, 3 ph., 4 wire, 50 Hz, depending on the KVA requirement of the PLC system. The industrial (plant power distribution) power supply is prone to frequent failures, is subject to over voltages / under voltages and is likely to be contaminated by spurious noise signals, spike etc. The Bidder shall clearly state in his Bid whether the above mentioned power supply is acceptable to his system, in which case he has to elaborate the arrangements made by him in his PLC input power supply system. If the Bidder requires conditioned and UPS power supply for his system, He shall include adequately rated UPS system operating on the abovementioned Industrial type power supply, with adequately rated (AH capacity) sealed Maintenance – Free batteries. Other power supplies such as 12 / 24 V DC or as required, for the electronics system of the PLC, in any case will have to be derived by the Bidder himself. Necessary power packs and other hardware required for this purpose will have to be included by the bidder in his scope. Earthing The Bidder shall clearly spell out the requirement of earthing, both panel frame earthing and signal earthing in his bid. He shall highlight the requirement of “Clean Earth” if required. He shall also furnish specifications i.e. size and shielded / unshielded cable for interconnection between PLC system and earth pits. Training The Bidder shall include in his scope training of Purchaser’s operating staff for a period of 5 working days. The training shall cover a minimum of

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 36 OF 41

Familiarization of configuration of the PLC system. 

Familiarization and working of the software including the procedure for loading of the software from back-up storage system, editing of / modifications to the preloaded software.



Actual operation of the DG system including the VCBs from the PLC.



Fault diagnostics and trouble-shooting



Repair of the faulty PCB / replacement by spare PCBs etc.

10 BIDDER’S EXPERIENCE The Bidder shall furnish a reference list to establish his credentials by way of submitting a list of at least 5 nos. industrial type projects executed in last 3 years of similar ratings.

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 37 OF 41

XVI. TESTS 

Tests shall be carried out during and after completion of manufacture of different component parts and the assembly, as applicable, in accordance with the requirement of relevant codes and standards. Bidder shall indicate other tests, which are required to be carried out at site after installation.



Tests shall be performed in presence of Purchaser's representative if so desired by Purchaser, at Supplier's works on completed assembly of the DG set. The Bidder shall give at least two (2) weeks advance notice for inspection.

Following tests shall be carried out on the engine-generator completed assembly at manufacturer's works: a) b) 25.1

Power run of auxiliary equipment. Functional checks and adjustments of speed governor and control devices.

The generator shall be subjected to following tests (for which only Test Certificates are required):

a)

High voltage tests on stator and rotor windings.

b)

Insulation resistance of stator and rotor windings.

c)

Temperature rise test

d)

Open circuit and short circuit tests.

e)

Stator phase sequence check.

f)

Overload capability test.

g)

Measurement of air gap.

h)

Stator winding resistance measurement

25.2

Excitation System

The excitation system shall be subjected to the following tests at manufacturer's works (for which only Test Certificates are required): a)

High voltage tests on windings.

b)

Insulation resistance of windings.

c)

Temperature rise test.

d)

Measurement of resistance of stator and rotor windings.

e)

Open circuit magnetization test.

f) Functional check and operation of relays, protection, metering and signalling schemes. 25.3

Voltage regulator

The voltage regulator shall be subjected to the following tests at manufacturer's works (for which only Test Certificates are required): a)

Sensitivity test.

b)

Response time test.

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

25.4

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 38 OF 41

Control Panels

The control panels shall be subjected to the following tests at manufacturer's works, which shall be witnessed by the Purchaser/ his representative.

25.5

a)

Continuity Checks

b)

High voltage withstand test as per relevant standard.

c)

Insulation resistance test.

d)

Functional and operation test. D.G. set and the auxiliaries

D.G. set and the auxiliaries shall be assembled at the manufacturer's works and the following tests shall be performed, which shall be witnessed by the Purchaser/ his representative. a)

One (1) hour running at full load.

b)

One (1) hour running at 3/4 load.

c)

One (1) hour running at 110% full load.

d)

Engine starting time.

e)

Fuel consumption test.

Before each test, the engine shall be brought to a steady state under the conditions of the test. 25.6

Tests at Site

The tests shall be performed after proper installation of the diesel generating unit at site to prove the proper operation of interlock circuits and the capability of the engine to start and pick-up load in the specified time, under supervision of the purchaser's representative responsible for supervision of testing and commissioning. Guarantee tests to prove guaranteed performance of the D.G. set shall also be carried out at site after proper installation. 25.7 a. b.

Test Certificates Test certificates shall be submitted in six (6) copies. The test certificates shall be furnished to the purchaser for prior approval before despatch of any

equipment from works and the approval in writing from purchaser shall be essential to effect dispatch of the equipment. c.

The test reports shall indicate complete identification of the data, including serial number of each

equipment.

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002 SHEET NO.

Rev-R0 39 OF 41

XVII. MAINTENANCE TOOL AND TACKLES



The Bidder shall furnish to the purchaser a complete and unused set of all special tools and tackles, which are necessary or convenient for erection, testing and commissioning, maintenance and overhauling of any of the equipment provided under this specification.



The tools shall be shipped in separate containers clearly marked with the name of equipment for which they are intended.



The Bidder shall submit a list of tools proposed to be furnished under the scope of supply with his proposal.

XVIII. SPARES Adequate quantity of spares for DG sets, shall be provided by the bidder for maintenance of the Dg sets at least for 2 years after successful commissioning. The bidder shall submit a list of recommended spare parts, with suggested quantities and catalogue numbers, for ten(10) years smooth and trouble free operation.

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Rev-R0 40 OF 41

XIX. DRAWINGS AND DOCUMENTS SCHEDULE

A.

FOR GENERATOR CONTROL & BREAKER PANEL

Documents shall comprise but not limited to the following:

Required after Purchase Order Engineering Data

Require

For

No. of

As

d

approva

weeks

built

With

l Qty

No. of weeks

Qty

Bid-Qty 1 2 3

Outline dimension drawing Cross sections with part description Foundation drawings with static & dynamic

4 5 6

loading data Completed Data Sheets Bill of Materials for scope of Supply Performance Data /Curves:/Discharge

7

curves Installation / Operation / Maintenance

8 9 10 11 12

Manual Priced Spare List for 10 years service Terminal point schedule / drawing Control Schematic Diagram Description of Control Sequences Type test certificate for short circuit

13

withstand for panel Type test certificate for short circuit

14 15

breaking current of circuit breaker At the time of inspection Test Certificates for bought out items (Breaker, CT, PT, Meter, Relay)

2

4

2

6

6

2

4

2

6

6

2 2 2

4

2

6

6

3

With dispatch

6 6

6 6

6 6

At the time of

2 4 4

2 2

2 2

inspection

SPECIFICATIONS FOR EQUIPMENT DESIGN ENGINEERS

B.

DOCUMENT NUMBER MH-IDMHMUMB001-E-SP-002

DIESEL GENERATING SETS CLIENT : RELIANCE INDUSTRIES LTD.

SHEET NO.

Rev-R0 41 OF 41

DRAWING AND DOCUMENTS SCHEDULE FOR DG SYSTEM

Documents shall comprise but not limited to the following:

Required after Purchase Order Engineering Data

1

General arrangement drawing showing all major dimensions, including required and crane

Reqd

For

No.of

As

No.of weeks

With

approval

weeks

built

Bid

Qty

2

4

2

6

6

2

4

2

6

6

Qty

clearances

requirement for

assembly & dis- mantling, nett & shipping 2

weights of all items of equipment. Recommended layout showing

room

dimensions, ventilation requirement

civil

foundations, loading data, trench,

wall

3

opening, etc. Schematic P & I diagrams for lube oil, fuel

2

4

2

6

6

4

oil, jacket cooling, etc. Schematic diagrams for control

2

4

2

6

6

2

4

2

6

6

panel,

synchronising panel, voltage regulator, 5

governor Literature, write ups, description of DG set excitation system,

voltage regulator,

6 7

governor & other auxiliaries Voltage dip calculations Test reports

-

4 -

2 -

6 6

6 Before

8 9

Generator characteristic curves Bill of material

yes 2

3 4

2 2

6 6

despatch 6 6