0 06.04.09 OJS

No. DATE CHKD

DSND

DRWN

CHKD

APPDREV.

LARSEN & TOUBRO LIMITEDECC Division - EDRC

06.04.09

Logic, protection and metering diagram of Generator, Generator transformer & Unit auxiliary transformer (Part A)

DRG.No.CODE

0330-572-PVE-B-125 0

TITLE : SCALE GH

PACKAGE : SWITCHYARD PACKAGE (400/132KV) (CS-0330-572-2)

M/S ABB 06.04.09

OJS 06.04.09

SIGN DATE

REMARKS APPD

REVISION

ARAVALI POWER COMPANY PRIVATE LIMITED

PROJECT : INDIRA GANDHI SUPER THERMAL POWER PROJECT (IGSTPP), JHAJJAR, STAGE-1 (3X500MW)

06.04.09M/S ABB

First Release GH

54919Text BoxDATA SHEET OF ALL RELAYS IN GRP AND DR TO BE SUBMITTED.

All sheet references to be corrected.

000

001

Drawn by

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Design checked by

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6917 5339 - AA (A3) Rev

Des

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Rev Revision

Rev

D

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t.A

SE

A B

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C

2

Appd Year Week

3

GEN. BACKUP IMPEDANCE RELAY 21G

Rev

Dra

wn

by

B

Des

ign

chec

ked

by

She

et1

Dep

t.

Y

ear

W

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Con

t.

TRIP

2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

002

001

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

VT1 FUSE HEALTHY&

0.5-5.0 Sec.

t1

A

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

GROUP-1 GROUP-2

CLA

SS

-B

CLA

SS

-A

CLA

SS

-C

GR-1

GEN. BACKUP IMPEDANCE RELAY 21GGR-2VT2 FUSE HEALTHY

&

0.5-5.0 Sec.

t1

GRP DC SUPPLY-1SUPERVISION RELAY

SUPERVISION RELAY GRP DC SUPPLY-2

GR-2

GR-1 OPERATE

OPERATE

A

A

RELAY CONNECTED IN DC SUPPLY-1 / GROUP-1 DEVICE

RELAY CONNECTED IN DC SUPPLY-2 / GROUP-2 DEVICE

EXTERNAL CONTATCS/INITIATIONS

OR GATE

GR-1

GR-2

t TIMER LOGIC

NOT GATE

&

A

LEGEND:

ANNUNCIATION FOR DDCMIS

AND GATE

VARIOUS TRIPPING SCHEMES ARE INDICATED BELOW:

STEAM TURBINE TRIP

CLASS 'C' TRIPPING

GT HV CB TRIP

CLASS 'B' TRIPPING

GT HV CB TRIP

EXCITATION TRIP

UAT LV CB TRIP

UAT LV CB TRIPGT HV CB TRIP

EXCITATION TRIP

CLASS 'A' TRIPPING

NOTE

WINDING TEMPERATURE INDICATOR

DISTRIBUTED DIGITAL CONTROL, MONITORING &

CONTACTS AND HAND RESET OPERATION INDICATORVOLTAGE OPERATED AUXILIARY RELAY WITH SELF RESET

UAT

WTI

OTI

OLTC

GT

GRP

GEN

DDCMIS

CK

CCC

CB

ARS

VT

ST

UNIT AUXILIARY TRANSFORMER

VOLTAGE TRANSFORMER

OIL TEMPERATURE INDICATOR

STEAM TURBINE

ON LOAD TAP CHANGER

GENERATOR TRANSFORMER

GENERATOR RELAY PANEL

GENERATOR

INFORMATION SYSTEM

COMMON KIOSK

COOLER CONTROL CABINET

CIRCUIT BREAKER

LR LOCKOUT RELAYANNUNCIATION FOR DDCMIS(WITH HR)A +

+

A+

00

STG-1

TRIPSTG-2REG670 & t2

+A

7UM562 STG-2TRIP

STG-1TRIP

& t2

A+

54919Oval

54919Oval

54919Text BoxUT

54919Oval

54919Text BoxTRIP INITIATIONS ARE AS BELOW:

54919Text BoxDR INITIATION??

54919Text BoxBOTH GR-1 & GR-2 TO BE INITIATED by all protections.

54919Oval

54919Text Boxchek & change in all sheets

Drawn by

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6917 5339 - AA (A3) Rev

Des

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Rev Revision

Rev

D

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et

Con

t.A

SE

A B

RO

WN

BO

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RI L

TD.

C

2

Appd Year Week

3

GEN. FIELD FAILURE RELAY 40G1

Rev

Dra

wn

by

B

Des

ign

chec

ked

by

She

et1

Dep

t.

Y

ear

W

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Con

t.

OPERATE

2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

003

002

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

GEN. UNDER VOLTAGE RELAY 27G1 OPERATE

&

GROUP-1

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

CLA

SS

-C

GROUP-2

VT1 FUSE HEALTHYt

1.0-10.0 Sec.

&VT1 FUSE HEALTHY

&VT1 FUSE HEALTHY

AOR OR DISTURBANCE RECORDER

1.0-10.0 Sec.

GEN. UNDER VOLTAGE RELAY 27G2

GEN. FIELD FAILURE RELAY 40G2

VT2 FUSE HEALTHY

VT2 FUSE HEALTHY

OPERATE

OPERATE

VT2 FUSE HEALTHY

&

&

A

&

OR

t

GEN. NEGATIVE PHASE SEQUENCE RELAY 46G2ALARM

TRIP

AA

GEN. DEAD MACHINE RELAY 50GDM OPERATE

A

DISTURBANCE RECORDER

GEN.DEFINITE OVER LOAD RELAY 50G1 OPERATEA

GEN. OVER VOLTAGE RELAY 59GDEFINITE TIME

A

INSTANTANEOUSA

GR-2

GR-2

GR-2

GR-1

GR-1

GR-1

GR-1

GR-1

GEN. NEGATIVE PHASE SEQUENCE RELAY 46G1GR-1

TRIP

ALARM

AA

GEN. OVER VOLTAGE RELAY 59GGR-2 DEFINITE TIME

INSTANTANEOUS

+

+

+

+

+

A

+A

+

00

REG670

REG670

7UM562

7UM562

REG670

7UM562

REG670

REG670

REG670

7UM562

54919Oval

54919Oval

54919Text Box50GDM PROTN TO BE CONFIGURED IN GR-2 ALSO.

54919Text Boxin gr-1 o/v alarm and stage-i (time delayed)gr-2 alarm and stage-ii instan

Drawn by

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Design checked by

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and

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of m

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6917 5339 - AA (A3) Rev

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Rev Revision

Rev

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SE

A B

RO

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BO

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C

2

Appd Year Week

3

Rev

Dra

wn

by

B

Des

ign

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by

She

et1

Dep

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Y

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W

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Con

t.

2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

004

003

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

GROUP-1

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

CLA

SS

-C

GROUP-2

GEN. VOLTAGE TRANSFORMER(VT1)SUPERVISION RELAY 97-1

OPERATE

A

VT1 FUSE HEALTHY I/P TO GR-1 NUMERICAL RELAYSTO LOAD TRANSDUCER

SUPERVISION RELAY 97-2GEN. VOLTAGE TRANSFORMER(VT2)

OPERATEAVR-CHANNEL-1

TO LOAD TRANSDUCER

SUPERVISION RELAY 97-3GEN. VOLTAGE TRANSFORMER(VT3)

OPERATE

GEN. STATOR EARTH FAULT(95%) RELAY 64G2 OPERATE

A

&VT2 FUSE HEALTHY

GEN. INTERTURN FAULT RELAY 64GIT OPERATE VT1 FUSE HEALTHY &

GR-1

GR-2

GR-2

GR-2

GR-2

A

AVR-CHANNEL-2

TO LOAD TRANSDUCER

A

A+

+

00

REG670

7UM562VT2 FUSE HEALTHY I/P TO GR-2 NUMERICAL RELAYS

7UM562

7UM562

7UM562

54919Oval

54919Text BoxCH-2

54919Text BoxTO AVR CH-1

54919Line

54919Oval

54919Text BoxSYNC/METERING

54919Oval

54919Text Box95G2

54919Text BoxINTERTURN FAULT TO BE GIVEN IN BOTH GR-1 & GR-2 RELAYS

54919Oval

54919Text BoxVT2

Drawn by

Drawing checked by

Design checked by

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and

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ust n

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6917 5339 - AA (A3) Rev

Des

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Rev Revision

Rev

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2

Appd Year Week

3

EXCITER FIELD CB

Rev

Dra

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Des

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by

She

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Dep

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Y

ear

W

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Con

t.

CLOSE

2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

005

004

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

NOT GATE

OR GATE

LEGEND:

4

t

5

AND GATE

TIMER

ANNUNCIATION & DAS

B

6

A

HP ESV1, HP ESV2, CLOSE

ST TRIPPING RELAY CHANNEL#1 OPERATE

ST TRIPPING RELAY CHANNEL#2 OPERATE

&

GROUP-1

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

CLA

SS

-C

GROUP-2OR

ORX1X2X3

GEN. LOW FORWARD POWER RELAY 37G1

OPERATE0.5-5.0SEC.

VT1 FUSE HEALTHY&

&X1

GEN. LOW FORWARD POWER RELAY 37G2

SEC.5-50

OPERATE VT1 FUSE HEALTHY &

CLOSED &

AOR

SEC.5-50

OPERATE

SEC.0.5-5.0

OPERATE VT2 FUSE HEALTHY

VT2 FUSE HEALTHY&

&

&

X4&

OR

A

&

X5&

&

X2&

OR DISTURBANCERECORDER

X3&

&

&X6

&

GR-2

GR-1HVCB-1 OR 2 HVCB-1 OR 2

CLOSED HVCB-1 OR 2 CLOSED

CLOSEDHVCB-1 OR 2

LP ESV1 AND LP ESV2 LP ESV1 AND LP ESV2HP ESV1, HP ESV2,

ST TRIPPING RELAY CHANNEL#2

ST TRIPPING RELAY CHANNEL#1

EXCITER FIELD CB

OPERATE

OPERATE

OR

OR

CLOSE

CLOSE

&

X5X6

X4

GEN. REVERSE POWER RELAY 32G1

GR-1 (STOP VALVELONG TIME

NORMAL)

SHORT TIME

TRIP)(STOP VALVE

VT1 FUSE HEALTHY&

&VT1 FUSE HEALTHY

GEN. REVERSE POWER RELAY 32G2

GR-2

SHORT TIME(STOP VALVE

LONG TIME

NORMAL)(STOP VALVE

TRIP)

VT2 FUSE HEALTHY&

VT2 FUSE HEALTHY&

RECORDERDISTURBANCEOR

+ +

+A

OR

OR

A+

00

REG670

7UM562

REG670

7UM562

54919Oval

54919Text BoxSAME LOGIC TO BE BUILT FOR 32G AS DONE FOR 37G

54919Text Boxtime delay of lfpr/rev pwr shall be after the CB close signal

Drawn by

Drawing checked by

Design checked by

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6917 5339 - AA (A3) Rev

Des

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Rev Revision

Rev

D

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A B

RO

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2

Appd Year Week

3

Rev

Dra

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Des

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Y

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W

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Con

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

006

005

6

00

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

GROUP-1

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

CLA

SS

-C

GROUP-2

A

A

A

A ORDISTURBANCERECORDER

TRIP

GR-1

ROTOR EARTH FAULT-64F

100% STATOR EARTH FAULT-64G1

GR-1

TRIP

ALARM

ALARM

UNDER FREQUENCY RELAY 81G1

UNDER FREQUENCY RELAY 81G2

GR-2

GR-1

&

STAGESECOND

STAGEFIRST

VT1 FUSE HEALTHY&

VT1 FUSE HEALTHY

VT1 FUSE HEALTHY

VT1 FUSE HEALTHY

HVCB1 OR 2 CLOSED

&

&

FIRSTSTAGE

SECONDSTAGE

HVCB1 OR 2 CLOSED

VT1 FUSE HEALTHY

VT1 FUSE HEALTHY&

&

A

A

A

A

OVER FREQUENCY RELAY 81G3

GR-1HVCB1 OR 2 CLOSED

FIRST

STAGE

STAGE

SECOND

VT1 FUSE HEALTHY

VT1 FUSE HEALTHY

VT1 FUSE HEALTHY

A

&

&

&

A

OVER FREQUENCY RELAY 81G4

GR-2

SECONDSTAGE

VT1 FUSE HEALTHY

VT1 FUSE HEALTHY

STAGEFIRST

VT1 FUSE HEALTHY

HVCB1 OR 2 CLOSED

A

&

&

A&

+

+

+

+

+

+

REG670

REG670

REG670

7UM562

REG670

7UM562

54919Oval

54919Text BoxIS 100% SEF & REF BASED ON LOW FREQ INJECTION GIVEN IN REG670?? PLS CHECK

54919Oval

54919Oval

54919Oval

54919Text BoxVT2

54919Oval

54919Text BoxOVER FREQUENCY PROTN IS NOT REQD.

54919Text Boxover freq only alarm is reqd

Drawn by

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Design checked by

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and

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of m

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e pr

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used

for a

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Yea

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6917 5339 - AA (A3) Rev

Des

ign

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by

Rev Revision

Rev

D

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Con

t.A

SE

A B

RO

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BO

VE

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C

2

Appd Year Week

3

Rev

Dra

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by

B

Des

ign

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ked

by

She

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Dep

t.

Y

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W

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Con

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

007

006

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

CLA

SS

-C

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

GROUP-1 GROUP-2

GEN. DIFFERENTIAL RELAY 87G1

A

VT1 FUSE HEALTHY&

A

OPERATEGENERATOR OUT OF STEPPOLE SLIPPING RELAY 98G1

GR-1

GR-1

POLE SLIPPING RELAY 98G2GENERATOR OUT OF STEPGR-2 OPERATE

VT1 FUSE HEALTHY&

A

OPERATE

GEN. DIFFERENTIAL RELAY 87G2GR-2 OPERATE

A

+

+

+

+

00

54919Text BoxFOLLOW THE SAME REPRESENATION IN ALL SHEETS. SPECIFY THE RELAY FOR EACH FUNCTION AS GIVEN IN EARLIER PAGES

54919Oval

54919Text BoxVT2

Drawn by

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6917 5339 - AA (A3) Rev

Des

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Rev

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A B

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C

2

Appd Year Week

3

Rev

Dra

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B

Des

ign

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Dep

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Y

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W

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Con

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

008

007

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

CLA

SS

-C

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

GROUP-1 GROUP-2

OR

A

GT A OIL TEMPERATURE INDICATORALARM ARS

A

TRIP GR-2

GT-A HV WINDING TEMPERATURE INDICATORTRIP

ALARM

GT-A LV WINDING TEMPERATURE INDICATORALARM

TRIP

OR ARS

A

GR-1OR

OR

GT-B HV WINDING TEMPERATURE INDICATOR

GT-B LV WINDING TEMPERATURE INDICATOR

GT B OIL TEMPERATURE INDICATOR

ALARM

TRIP

ALARM

TRIP

OR

OR ARS

ARS

TRIP

ALARM

GR-2

ARS

A

A

ALARMGT-C LV WINDING TEMPERATURE INDICATOR

TRIP

GT C OIL TEMPERATURE INDICATOR

GT-C HV WINDING TEMPERATURE INDICATOR

ALARM

TRIP

TRIP

ALARMOR

OR ARS

ARS

ARS

ARS

A

A

GR-1

GR-2

GR-2

GR-1

GR-1

GR-2

ARS

GR-1

ARS

GR-2

ARS

GR-1

+

AOR

+

AOR

+

00

OR GR-2

LR

LR : LOCKOUT RELAY

LR

GR-1

TRIPPING CHANNEL#1,2&3OR STEAM TURBINE

GT HV CB CLOSINGCIRCUIT I/L

&

54919Oval

54919Text BoxOTI & WTI TRIP SHALL BE ASSOCIATED WITH A TIME DELAY. Directly to be given to numerical relay i/p.

54919Oval

54919Text Box1,2

54919Text BoxFOLLOW THE SAME REPRESENATION IN ALL SHEETS. SPECIFY THE RELAY FOR EACH FUNCTION AS GIVEN IN EARLIER PAGES

Drawn by

Drawing checked by

Design checked by

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of m

ust n

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Con

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ill b

e pr

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6917 5339 - AA (A3) Rev

Des

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Rev Revision

Rev

D

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Con

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A B

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3

Rev

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Con

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

009

008

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

CLA

SS

-C

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

GROUP-1 GROUP-2

GT A PRESSURE RELIEF VALVE A OPERATE ARS

&

AOR

GT B PRESSURE RELIEF VALVE A OPERATE ARS OR

GT C PRESSURE RELIEF VALVE A OPERATE ARS

GT C PRESSURE RELIEF VALVE B

GT B PRESSURE RELIEF VALVE B

GT A PRESSURE RELIEF VALVE B

OPERATE ARS

OPERATE

OPERATE ARS

ARS OR

GT COMMON KIOSK SUPPLY CHANGER FAILURE OPERATE

A

1-999 Sec.

t

&

A

&

GR-2

GR-2

GR-2

GR-1

GR-1

GR-1

HVCB 1 OR 2CLOSED

HVCB 1 OR 2CLOSED

HVCB 1 OR 2CLOSED

+

OR

+A

OR

+A

SH.041SH.041

SH.041

SH.042

SH.042

00

Drawn by

Drawing checked by

Design checked by

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s do

cum

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ust n

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e co

pied

with

out

our w

ritte

n pe

rmis

sion

and

the

con

tent

sth

ere

of m

ust n

ot b

e im

parte

d to

a th

ird

purp

ose.

Con

trav

entio

n w

ill b

e pr

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uted

part

y no

r be

used

for a

ny u

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horis

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Yea

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Wee

k

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by

6917 5339 - AA (A3) Rev

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

010

009

6

00

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

AGT COMMON KIOSK POWER SUPPLY ALARM ARS

A

GT A CCC POWER/CONTROL SUPPLY FAILURE ALARM

GT B CCC POWER/CONTROL SUPPLY FAILURE

(A/B)/DC SUPPLY FAILURE

ALARM

ARS

A

ARS

A

GT C CCC POWER/CONTROL SUPPLY FAILURE ALARM ARSA

GR-2

GR-2

GR-2

GR-1

54919Oval

54919Text BoxGT OIL LEVEL LOW ALARM IS MISSING.

54919Text Boxcooler alarms directly to ddcmis from trfr

Drawn by

Drawing checked by

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ust n

ot b

e co

pied

with

out

our w

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n pe

rmis

sion

and

the

con

tent

sth

ere

of m

ust n

ot b

e im

parte

d to

a th

ird

purp

ose.

Con

trav

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n w

ill b

e pr

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uted

part

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used

for a

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Yea

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by

6917 5339 - AA (A3) Rev

Des

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2 3

LOGIC DIAGRAMLOGIC DIAGRAM

4 5

011

010

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

CLA

SS

-C

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

GROUP-1 GROUP-2

GT A BUCHHOLZ RELAYALARM ARS

A

GT B BUCHHOLZ RELAY

GT C BUCHHOLZ RELAY

A

TRIP ARS

TRIP

ALARM

TRIP

ALARM

ARS

ARS

A

ARS

ARSA

OR

GR-1

GR-2

GR-1

GR-2

GR-2

GR-1

A

A

+

+

+

00

54919Text BoxBOTH GR-1 & GR-2 TO BE INITIATED

Drawn by

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our w

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n pe

rmis

sion

and

the

con

tent

sth

ere

of m

ust n

ot b

e im

parte

d to

a th

ird

purp

ose.

Con

trav

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n w

ill b

e pr

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uted

part

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used

for a

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Yea

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Wee

k

Dra

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by

6917 5339 - AA (A3) Rev

Des

ign

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

012

011

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

CLA

SS

-C

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

GROUP-1 GROUP-2

GT A OFF CIRCUIT TAP CHANGER OPERATEARS

OR

A

&

GT B OFF CIRCUIT TAP CHANGER OPERATE

GT C OFF CIRCUIT TAP CHANGER OPERATE

HVCB 1 OR 2 CLOSED

ARS&

ARS&

GT BACK UP EARTH FAULT RELAY 51NGT

A

GT C FIRE PROTECTION TRIP RELAY

GT B FIRE PROTECTION TRIP RELAY

GT A FIRE PROTECTION TRIP RELAY

OPERATE

OPERATE

OPERATE ARS

OR

ARS

ARS

OR

GR-2

GR-2

GR-2

GR-1

GR-1

GR-1

DIFFERENTIAL RELAY 87HVGT HV & OVER HEAD LINE CONNECTION

TRIPGR-2

GR-2 TRIP

A

OR

OR

+A

+A

+A

+

+

&INTERLOCK TO GTCCC POWER SUPPLY-1

INTERLOCK TO GTCCC POWER SUPPLY-2

CLOSING I/L OF&HVCB MAIN/TIE

00

54919Text Boxspecify the relay. 87HV shall be in a different group other than that of 87T

Drawn by

Drawing checked by

Design checked by

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s do

cum

ent m

ust n

ot b

e co

pied

with

out

our w

ritte

n pe

rmis

sion

and

the

con

tent

sth

ere

of m

ust n

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e im

parte

d to

a th

ird

purp

ose.

Con

trav

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ill b

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uted

part

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r be

used

for a

ny u

naut

horis

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Yea

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Wee

k

Dra

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by

6917 5339 - AA (A3) Rev

Des

ign

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by

Rev Revision

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D

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2

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Con

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

013

012

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

CLA

SS

-C

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

GROUP-1 GROUP-2

GT DIFFERENTIAL RELAY 87T TRIP

A

OVERALL DIFFERENTIAL RELAY 87GT TRIP

ALARM

TRIP

DISTURBANCE RECORDER TROUBLE ALARMGR-2

GR-1

GR-2

A

GT OVER FLUXING RELAY 99GTGR-1

A

A

A

NUMERICAL RELAYS INTERNAL FAILGR-1 ALARM

NUMERICAL RELAYS INTERNAL FAILGR-2 ALARM

A

A

+

+

+

00

RET670-3

RET670-1

RET670-2

54919Text Box87HV shall be in a different group other than that of 87T

54919Oval

Drawn by

Drawing checked by

Design checked by

Thi

s do

cum

ent m

ust n

ot b

e co

pied

with

out

our w

ritte

n pe

rmis

sion

and

the

con

tent

sth

ere

of m

ust n

ot b

e im

parte

d to

a th

ird

purp

ose.

Con

trav

entio

n w

ill b

e pr

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uted

part

y no

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used

for a

ny u

naut

horis

edD

ept.

Yea

r

Wee

k

Dra

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by

6917 5339 - AA (A3) Rev

Des

ign

chec

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by

Rev Revision

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D

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Con

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

014

013

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

CLA

SS

-C

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

GROUP-1 GROUP-2

TRIP LR

OR

ALARM

AOR OR

TRIP

UA

T L

V C

B A

& B

CLO

SE

TIE

TO

11K

V U

NIT

SW

ITC

HB

OA

RD

UA

& U

B

&

ALARM

TRIP LR

UA

T L

V C

B A

& B

CLO

SIN

G C

IRC

UIT

OF

ARS

A

ARS

A

UAT OIL TEMPERTURE INDICATOR

UAT WINDING TEMPERATURE INDICATOR

GR-2

GR-1

GR-1

GR-2

LR : LOCKOUT RELAY

+

00

54919Text Boxrelpace 'UAT' BY 'UT' IN ALL SHEETS

54919Text BoxWTI TRIP OF BOTH HV & LV TO BE TAKEN.WTI TRIP & OTI TRIP TO BE ASSOCIATED WITH TIME DELAY.

Drawn by

Drawing checked by

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Thi

s do

cum

ent m

ust n

ot b

e co

pied

with

out

our w

ritte

n pe

rmis

sion

and

the

con

tent

sth

ere

of m

ust n

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purp

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Con

trav

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for a

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Yea

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Wee

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Dra

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by

6917 5339 - AA (A3) Rev

Des

ign

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Rev Revision

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Con

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

015

014

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

CLA

SS

-C

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

GROUP-1 GROUP-2

UAT CCC POWER SUPPLY/CONTROLALARM ARS

A

SUPPLY/CHANGEOVER FAILURE

ARS

A

ALARM

TRIP

ARS

A

UAT OLTC OIL SURGE RELAY (U/V/W PHASE) OPERATE ARS

UAT PRESSURE RELIEF VALVE 1 OPERATE ARS

OR

A

UAT PRESSURE RELIEF VALVE 2 OPERATE ARS

GR-1

GR-1

GR-2

GR-1

GR-1

GR-2

+

+

A

00

GR-2

ARS

A

GR-1

ARS

A+

UAT BUCHHOLZ RELAY

54919Text BoxPRV-1, PRV-2 ALARM??

Drawn by

Drawing checked by

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s do

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ent m

ust n

ot b

e co

pied

with

out

our w

ritte

n pe

rmis

sion

and

the

con

tent

sth

ere

of m

ust n

ot b

e im

parte

d to

a th

ird

purp

ose.

Con

trav

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n w

ill b

e pr

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uted

part

y no

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used

for a

ny u

naut

horis

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Yea

r

Wee

k

Dra

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by

6917 5339 - AA (A3) Rev

Des

ign

chec

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by

Rev Revision

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D

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3

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ign

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by

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et1

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Con

t.

2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

016

015

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

CLA

SS

-C

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

GROUP-1 GROUP-2

UAT HV OVER CURRENT RELAY 51UT TRIP

A

UAT DIFFERENTIAL RELAY 87UT

A

UAT LV EARTH FAULT RELAY 51NUT TRIP

A

UAT RESTRICTED EARTH FAULT RELAY 64RUT TRIP

A

TRIPDISTURBANCE RECORDER

UAT FIRE PROTECTION TRIP RELAY OPERATE ARS

AGR-2

GR-1

GR-2

GR-2

GR-1

+

+

+

+

+

INTERLOCK TO POWER SUPPLY SOURCE-2

INTERLOCK TO POWER SUPPLY SOURCE-1&

00

54919Text BoxSPECIFY THE RELAY

54919Text BoxTRIP TO BOTH GR-1 & GR-2

54919Text BoxUT LOW OIL LEVEL ALARM IS MISSING

Drawn by

Drawing checked by

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cum

ent m

ust n

ot b

e co

pied

with

out

our w

ritte

n pe

rmis

sion

and

the

con

tent

sth

ere

of m

ust n

ot b

e im

parte

d to

a th

ird

purp

ose.

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trav

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e pr

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used

for a

ny u

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Yea

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Wee

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Dra

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by

6917 5339 - AA (A3) Rev

Des

ign

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by

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

017

016

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

ACLA

SS

-C

CLA

SS

-A

CLA

SS

-B

CLA

SS

-C

CLA

SS

-B

CLA

SS

-A

GROUP-1 GROUP-2

GT HV CB 27 LOCAL BREAKER BACK UP PROTECTION * OPERATE

A

400KV MAIN BUS-2 BUSBAR PROTECTION TRIP RELAY ** OPERATE

DISTURBANCE RECORDER

GT HV CB 27 POLE DISCREPANCY PROTECTION * OPERATE

GT HV CB 25 POLE DISCREPANCY PROTECTION *

GT HV CB 25 LOCAL BREAKER BACK UP PROTECTION *

OPERATE

OPERATE DISTURBANCE RECORDER

A

400KV MAIN BUS-1 BUSBAR PROTECTION TRIP RELAY ** OPERATE

&

&

OR

* : THESE RELAYS ARE LOCATED IN RELAY PANELS FOR GT HVCB BAYS** : EXISTING BUSBAR PROTECTION

TEED-1(87TT-I) DIFFERENTIAL PROTECTION * OPERATE

TEED-2(87TT-II) DIFFERENTIAL PROTECTION * OPERATE

TURBINE TRIP 1/2

HVCB 1 OPEN &HVCB 2 OPEN &

+

+

+A

+A

GT HV CB 27 TRIP CIRCUIT FAIL * OPERATEA

GT HV CB 25 TRIP CIRCUIT FAIL * OPERATEA

+A

A+

+A

+A

HVCB 2 OPEN

HVCB 1 OPEN

00

HVCB 1 CLOSED

HVCB 2 CLOSED

54919Oval

54919Text BoxHVCB 27/25 ?? PLEASE WRITE MAIN CB OR TIE CB WHEREVER APPLICABLE.

54919Oval

54919Text BoxMAIN CB OPEN

54919Oval

54919Text BoxTIE CB OPEN

54919Line

54919Line

54919Line

54919Oval

54919Text BoxCLASS B TRIPPING

54919Text Boxbus 1+MCB open+tie cb cl

bus 2 optd+tie cb open+main cb cl

Drawn by

Drawing checked by

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s do

cum

ent m

ust n

ot b

e co

pied

with

out

our w

ritte

n pe

rmis

sion

and

the

con

tent

sth

ere

of m

ust n

ot b

e im

parte

d to

a th

ird

purp

ose.

Con

trav

entio

n w

ill b

e pr

osec

uted

part

y no

r be

used

for a

ny u

naut

horis

edD

ept.

Yea

r

Wee

k

Dra

wn

by

6917 5339 - AA (A3) Rev

Des

ign

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by

Rev Revision

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D

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

018

017

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

TRIPPING RELAY 86C1GR-1 OPERATE

A+

TRIPPING RELAY 86B1

TRIPPING RELAY 86A1

GR-1

GR-1

OPERATE

A+

OPERATE

A+

TRIPPING RELAY 86C2GR-2 OPERATE

A+

TRIPPING RELAY 86B2GR-2 OPERATE

TRIPPING RELAY 86A2GR-2 OPERATE

+A

+A

00

Drawn by

Drawing checked by

Design checked by

Thi

s do

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ent m

ust n

ot b

e co

pied

with

out

our w

ritte

n pe

rmis

sion

and

the

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tent

sth

ere

of m

ust n

ot b

e im

parte

d to

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ird

purp

ose.

Con

trav

entio

n w

ill b

e pr

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y no

r be

used

for a

ny u

naut

horis

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Yea

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Wee

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Dra

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by

6917 5339 - AA (A3) Rev

Des

ign

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2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

019

018

6

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

TRIPPING RELAY 86A1-1SUPERVISION RELAY FOR

GR-1 OPERATE

A

OPERATETRIPPING RELAY 86C2-1GR-2

TRIPPING RELAY 86C2-2SUPERVISION RELAY FOR

GR-2 OPERATE

A

SUPERVISION RELAY FOR

SUPERVISION RELAY FORTRIPPING RELAY 86A2-1

SUPERVISION RELAY FORTRIPPING RELAY 86A2-2

SUPERVISION RELAY FOR

SUPERVISION RELAY FORTRIPPING RELAY 86B2-1

TRIPPING RELAY 86B2-2GR-2

GR-2

GR-2

GR-2

OPERATE

OPERATE

OPERATE

A

A

A

A

OPERATE

A

TRIPPING RELAY 86A1-2SUPERVISION RELAY FOR

GR-1 OPERATE

A

TRIPPING RELAY 86B1-2SUPERVISION RELAY FOR

TRIPPING RELAY 86B1-1SUPERVISION RELAY FOR

GR-1

GR-1

OPERATE

A

OPERATE

A

SUPERVISION RELAY FORTRIPPING RELAY 86C1-1

SUPERVISION RELAY FORTRIPPING RELAY 86C1-2

GR-1

GR-1

OPERATE

OPERATE

A

A

TRIPPING RELAY 86A1-3SUPERVISION RELAY FOR

GR-1 OPERATE

A

TRIPPING RELAY 86A2-3SUPERVISION RELAY FOR

GR-2 OPERATE

A

+

+

+

+

+

+

+

+

+

+

+

+

+

+

00

54919Oval

54919Oval

54919Text Boxto dcs and nr186a/ax286a/ax186b/bx286b/bx186c/cx286c/cx

Drawn by

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Thi

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cum

ent m

ust n

ot b

e co

pied

with

out

our w

ritte

n pe

rmis

sion

and

the

con

tent

sth

ere

of m

ust n

ot b

e im

parte

d to

a th

ird

purp

ose.

Con

trav

entio

n w

ill b

e pr

osec

uted

part

y no

r be

used

for a

ny u

naut

horis

edD

ept.

Yea

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Wee

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Dra

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by

6917 5339 - AA (A3) Rev

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ign

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t.

Y

ear

W

eek

Con

t.

2 3

CIRCUIT DIAGRAMLOGIC DIAGRAM

4 5

019

6

00

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

86A2-1

86B1-1

86A1-1

86C2-1

86C1-1

86B2-1 ORTRIP GT HV CB(MAIN CB)

(TRIP COIL1- R PHASE)

TRIP GT HV CB(MAIN CB)(TRIP COIL1- Y PHASE)

TRIP GT HV CB(MAIN CB)(TRIP COIL1- B PHASE)

86C2-1

86C1-1

86B2-1

86B1-1

OR

86A2-186A1-1

86C2-1

86C1-1

86B2-1

86B1-1

OR

86A2-186A1-1

86C1-1

86C2-1

86B1-1

86B2-1

86A1-1

86A2-1

OR

86B2-1 OR

86C2-1

86C1-1

86A2-1

86B1-1

86A1-1

86C2-1

86C1-1

86B2-1

86B1-1

OR

86A2-186A1-1

TRIP GT HV CB(TIE CB)(TRIP COIL1- B PHASE)

(TRIP COIL1- Y PHASE)TRIP GT HV CB(TIE CB)

(TRIP COIL1- R PHASE)TRIP GT HV CB(TIE CB)

OR86B2-2

86C2-2

86C1-2

86B1-2

86A2-2

86B1-2

86A1-2

86C1-2

86C2-2

86B2-2 OR

86A1-286A2-2

86C2-2

86B2-2

86C1-2

86A2-2

86B1-2

OR

TRIP GT HV CB(TIE CB)(TRIP COIL2- B PHASE)

TRIP GT HV CB(TIE CB)(TRIP COIL2- Y PHASE)

TRIP GT HV CB(TIE CB)(TRIP COIL2- R PHASE)

86C1-2

86A1-2

86C2-2

86B1-2

86B2-2

86A1-286A2-2

OR

86B2-2 OR

86C2-2

86C1-2

86A2-2

86B1-2

86A1-2

86C2-2

86C1-2

86B2-2

86B1-2

OR

86A2-286A1-2

TRIP GT HV CB(MAIN CB)(TRIP COIL2- B PHASE)

(TRIP COIL2- Y PHASE)TRIP GT HV CB(MAIN CB)

(TRIP COIL2- R PHASE)TRIP GT HV CB(MAIN CB)

DEEXCITATION-1OR

LOCAL BREAKERBACKUP PROTECTIONSCHEME FOR GT HVCB(MAIN CB)

86A2-1

86A1-1

86B2-1

86B1-1

86C2-1

86C1-1

OR

86C1-2 (TIE CB)

86C2-2

SCHEME FOR GT HVCBBACKUP PROTECTIONLOCAL BREAKER

86B2-2

86B1-2

86A2-2

86A1-2

OR

CLOSE TIE TO11KV UNIT SWITCHBOARD UA

86A1-1

86A2-1

86B1-1

86B2-1

OR

86B2-1

TRIP OPERATE

86A1-1

86A2-1

86B1-111KV UNIT SWITCHBOARD UBCLOSE TIE TO

OR

86B1-2

86A2-2

86B2-2

86A1-2

TRIP UAT LV CB-AOR

86B2-2

86B1-2

86A2-2

86A1-2

TRIP UAT LV CB-BOR

86C1-2

86C2-2

86B1-2

86B2-2

86A1-386A2-3

OR DISTURBANCE RECORDER

(SH:17)

N0TE:86A1-1 : GR-1 CLASS A TRIP RELAY-1

: GR-1 CLASS A TRIP RELAY-286A1-2: GR-1 CLASS A TRIP RELAY-386A1-3

: GR-1 CLASS B TRIP RELAY-2: GR-1 CLASS B TRIP RELAY-1

86B1-286B1-1

: GR-1 CLASS C TRIP RELAY-2: GR-1 CLASS C TRIP RELAY-1

86C1-286C1-1

: GR-2 CLASS A TRIP RELAY-1: GR-2 CLASS A TRIP RELAY-2: GR-2 CLASS A TRIP RELAY-3: GR-2 CLASS B TRIP RELAY-1: GR-2 CLASS B TRIP RELAY-2

: GR-2 CLASS C TRIP RELAY-2: GR-2 CLASS C TRIP RELAY-1

86A2-186A2-286A2-386B2-186B2-2

86C2-286C2-1

UAT OTI/WTI

(SH:17)

TRIP OPERATEUAT OTI/WTI

86A2-1

86B2-1

86A1-1

86B1-1

DEEXCITATION-2OR

86A1-286B1-2

86A2-2

86B2-2

TRIP OPERATEUAT OTI/WTI

(SH:17)

UAT OTI/WTITRIP OPERATE

(SH:17)

TRIPPING CHANNEL#2STEAM TURBINE

TRIPPING CHANNEL#1STEAM TURBINE

86A1-2

OR86A2-2

GT A/B/COTI/WTI TRIP

OR

OTI/WTI TRIP

86A2-1

GT A/B/C

86A1-1

TRIPPING CHANNEL#3STEAM TURBINEOR

OTI/WTI TRIP

86A1-3

GT A/B/C

86A2-3

020

54919Oval

54919Text BoxTRIP FCB

54919Oval

54919Text BoxONLY TWO CHANNELS

54919Oval

54919Text BoxIS IT FOR INITIATING LBB?

&HV CB1 & HV CB2T1

TIME DELAY

T2

ENABLE 50GDM O/C TRIPSET

RESETDISABLE 50GDM O/C TRIP

LOGIC-R/S FLIP FLOP

TIME DELAY

1

(LOGICAL HIGH)

50 INSTANTANEOUS OVER CURRENT TRIP

50GDM O/C TRIP ENABLEDOPEN

HV CB1 OR HV CB2CLOSE

GROUP-1 GROUP-2

CLA

SS

-C

CLA

SS

-A

CLA

SS

-B

CLA

SS

-A

CLA

SS

-C

CLA

SS

-B

DR

+A

Design checked by

Drawing checked by

Drawn by

part

y no

r be

used

for a

ny u

naut

horis

edpu

rpos

e. C

ontr

aven

tion

will

be

pros

ecut

ed

ther

e of

mus

t not

be

impa

rted

to a

third

our w

ritte

n pe

rmis

sion

and

the

con

tent

sT

his

docu

men

t mus

t not

be

copi

ed w

ithou

t

Dep

t.

Y

ear

W

eek

Dra

wn

by

6917 5339 - AA (A3) Rev

RevDes

ign

chec

ked

by

Revision

Rev

D

She

et

Con

t.A

SE

A B

RO

WN

BO

VE

RI L

TD.

C

2

Appd Year Week

3

Rev

Dra

wn

by

B

Des

ign

chec

ked

by

She

et1

Dep

t.

Y

ear

W

eek

Con

t.

2 3

LOGIC DIAGRAMCIRCUIT DIAGRAM

4 5

020

--

6

00

Rev

Rev

Cont.

Sheet

Sheet

D

C

4 5

B

6

A

54919Text Boxthis 50 GDM in REGand built in feature in 7UM

54919Oval

54919Line

54919Text BoxIS IT BASED ON SIGNAL INJECTION PRINCIPLE?

54919Text Boxchange the panel name from 4GRP1A TO GRP1A. TO BE DONE FOR ALL PANELS.

54919Text BoxDistribution of relays in panels need to be changed as given below:

GRP1A: REG670, RET 670 (87T) both on dc-1GRP1B:7UM62, RET670 ( 87HV,51NGT,99GT) both on dc-2GRP1C:RET670 (87GT) - DC1 RET670 (87UT,51NUT)- DC2 RET670 (64RUT,51UT) -DC2All relays in GRP1A shall be on Dc-1 and in GRP1B shall be on Dc-2.

54919Oval

54919Line

54919Oval

54919Text Box64G1

54919Line

54919Text Box40G,32G & 37G ALSO TO BE INCLUDED.

54919Oval

54919Text Box7UM622??

54919Text Boxinjection kit for stator & rotor earth fault is not shown in GA.

54919Oval

54919Text BoxGRP1D HOUSES THE ENERGY METERS. DISTRIBUTION BOX TO BE INCLUDED.

Des

ign

Che

cked

by

BIL

L O

F M

AT

ER

IALS

FO

R 5

00M

W G

EN

ER

AT

OR

, GT

& U

AT

D

IVA

KA

R D

OLA

P

RO

TEC

TIO

N &

ME

TE

RIN

G P

AN

ELS

N

TP

C-J

HA

JJA

R

4

2000

3068

2 D

raw

ing

Che

cked

by

Rev

A

RC

HA

NA

.V

P

AN

EL

: 4G

RP

1A

YN

1M30

1282

-DA

00

Dra

wn

by

Issu

ed b

y Y

ear

Wee

k

S

heet

AV

SA

SE

09

11

B

ILL

OF

MA

TER

IALS

1

of 6

BI

LL

OF

MA

TE

RI

AL

Doc

umen

t Nam

e

Iden

tity

GA

Dra

win

g Y

N1M

3012

82-A

DA

Circ

uit D

iagr

am

YN

1M30

1282

-CD

A W

iring

Tab

le

YN

1M30

1282

-DD

A La

bel l

ist

YN

1M30

1282

-LD

A

RE

VIS

ION

TA

BL

E

Rev

.No

. R

evis

ion

Not

e A

pp

rove

d W

eek

N

ote

: *

* in

dic

ates

item

s ar

e p

art o

f 400

/132

kV S

AS

Sys

tem

. Det

ails

for

thes

e it

ems

are

men

tio

ned

in

S

AS

Bill

of

mat

eria

ls D

rg N

o:

YN

1M30

1282

-ZA

.

54919Oval

54919Text BoxIS IT DELIVERED AS LOOSE ITEM?

Des

ign

Che

cked

by

BIL

L O

F M

AT

ER

IALS

FO

R 5

00M

W G

EN

ER

AT

OR

, GT

& U

AT

D

IVA

KA

R D

OLA

P

RO

TEC

TIO

N &

ME

TE

RIN

G P

AN

ELS

N

TP

C-J

HA

JJA

R

4

2000

3068

2 D

raw

ing

Che

cked

by

Rev

A

RC

HA

NA

.V

P

AN

EL

: 4G

RP

1A

YN

1M30

1282

-DA

00

Dra

wn

by

Issu

ed b

y Y

ear

Wee

k

S

heet

AV

SA

SE

09

11

B

ILL

OF

MA

TER

IALS

2

of 6

Ite

m

Des

igna

tion

Des

igna

tion/

M

ake

Type

, Te

chni

cal D

ata

Q

ty

Ord

er

Info

rmat

ion

R

ef

C

UB

ICL

E D

ET

AIL

S

4GR

P1A

+ 0

1 R

elay

Pan

el

T

ype:

VS

G80

0 (W

=800

mm

,D=8

00m

m,H

=220

0)

with

spa

ce h

eate

r, tin

ned

copp

er e

arth

bu

s 50

x6m

m;

Pai

nt s

hade

: E

xter

ior:

For

End

s co

lor-

Blu

e, S

hade

- R

AL5

012

and

F

or F

ront

& R

ear C

olor

- Gre

y, S

hade

- R

AL9

002,

Tex

ture

Fin

ish

Inte

rio

r: C

olor

- Gre

y, S

hade

- RA

L900

2,

Tex

ture

Fin

ish

Bas

e fr

ame:

100

mm

Hei

ght,

Bla

ck g

loss

y A

nti V

ibra

tion

pad:

15m

m.

1 Y

N1M

3012

82-V

A

1MY

N52

8001

-MC

+ 1M

YN

5280

01-0

2

F

RO

NT

MO

UN

TE

D E

QU

IPM

EN

TS

D

01.0

1**

BA

Y

ET

HE

RN

ET

S

WIT

CH

**

Mak

e: R

ugge

dcom

, Typ

e: R

SG

2100

19

rac

k re

ar m

ount

ing

**

**

4GR

P1A

+D05

.01

Mai

n-1

Gen

erat

or

Pro

tect

ion

IED

Mak

e: A

BB

, Typ

e:R

EG

670

with

IE

C61

850

-8-1

sta

tion

Com

mun

icat

ion

prot

ocol

, Opt

ical

Inte

rfac

e su

itabl

e fo

r ST

C

onne

ctor

s

Siz

e:1/

1 x

19",

Cur

rent

ratin

g:1A

, V

olta

ge r

atin

g:11

0V A

C 5

0Hz,

A

ux D

C V

olta

ge :

220V

DC

A

nalo

g In

put :

6I+

6U

No.

of B

IM :

4

(RL2

20 w

ith P

ick-

up V

olta

ge o

f 155

V D

C)

No

of B

OM

: 2

Pro

vid

ed w

ith

: -

- Gen

erat

or D

iffer

entia

l Pro

tect

ion

(PD

IF,8

7G)

- Ove

rall

Diff

eren

tial P

rote

ctio

n (P

DIF

, 87

GT

) - G

ener

ator

Pol

e-S

lippi

ng

Pro

tect

ion(

PP

AM

,98G

) - N

egat

ive

Seq

. Cur

rent

pro

tect

ion(

46G

) - B

ack-

up O

/C

Pro

tect

ion

(PT

OC

,51)

- A

ccid

enta

l Bac

k-en

ergi

satio

n

P

rote

ctio

n (P

TO

V,5

0GD

M)

- Los

s of

Fie

ld P

rote

ctio

n (4

0GA)

- B

ack-

up Im

peda

nce

Pro

tect

ion(

PD

IS,2

1GA

) - R

ever

se P

ower

Pro

tect

ion(

PD

UP

,32G

1)

- Low

For

war

d P

ower

P

rote

ctio

n(P

DU

P,3

7G1)

- R

otor

Ear

th F

ault

Pro

tect

ion

(GA

PC

,64R

) - U

nder

Fre

quen

cy P

rote

ctio

n(P

TU

F,8

1G)

- O

ver

Vol

tage

Pro

tect

ion(

PT

OV

,59G

) - I

nter

-tur

n F

ault

Pro

tect

ion(

95G

1)

- Und

er V

olta

ge P

rote

ctio

n(P

TU

V,2

7)

- Sta

tor E

arth

Fau

lt

1 Y

N1M

3012

82-U

K

54919Oval

54919Text BoxBASED ON SIGNAL INJECTION PRINCIPLE?

Des

ign

Che

cked

by

BIL

L O

F M

AT

ER

IALS

FO

R 5

00M

W G

EN

ER

AT

OR

, GT

& U

AT

D

IVA

KA

R D

OLA

P

RO

TEC

TIO

N &

ME

TE

RIN

G P

AN

ELS

N

TP

C-J

HA

JJA

R

4

2000

3068

2 D

raw

ing

Che

cked

by

Rev

A

RC

HA

NA

.V

P

AN

EL

: 4G

RP

1A

YN

1M30

1282

-DA

00

Dra

wn

by

Issu

ed b

y Y

ear

Wee

k

S

heet

AV

SA

SE

09

11

B

ILL

OF

MA

TER

IALS

3

of 6

Item

D

esig

natio

n D

esig

natio

n/

Mak

e Ty

pe,

Tech

nica

l Dat

a

Qty

O

rder

In

form

atio

n

Ref

P

rote

ctio

n[95

%](

64G

2)

- Sch

eme

Com

mun

icat

ion

(PS

CH

, 78)

- T

rippi

ng L

ogic

(PT

RC

, 94)

- D

istu

rban

ce R

ecor

der (

RD

RE

) - F

ault

Loca

tor (

RF

LO)

- Eve

nt R

ecor

der (

RD

RE

) 4G

RP

1A+D

13.0

1 O

VER

ALL

D

IFFE

RE

NTI

AL

PR

OTE

CTI

ON

R

ELA

Y(8

7GT)

Mak

e: A

BB

, Typ

e: R

ET

670

with

IE

C61

850

-8-1

sta

tion

Com

mun

icat

ion

prot

ocol

, Opt

ical

inte

rfac

e su

itabl

e fo

r ST

C

onne

ctor

s,

Siz

e: 6

U, 1

/2 x

19"

, C

urre

nt ra

ting:

1A

, A

ux D

C V

olta

ge :

220V

DC

A

nalo

g In

put :

12I

N

o. o

f IO

Mod

ule

: 1 (

8-i/p

, 12-

o/p

on e

ach

IOM

) P

rovi

ded

wit

h:

- - 3

Win

ding

Diff

eren

tial (

Low

impe

danc

e)

Pro

tect

ion

(P

TD

F, 8

7GT)

- T

rippi

ng L

ogic

(PT

RC

, 94)

- E

vent

Rec

orde

r (R

DR

E)

1 1M

YN

7433

02-G

B

VA

RIA

NT:

- T3

4GR

P1A

+D25

.101

.101

T

est S

witc

h-1

for M

ain

-1 G

EN

P

rot.

Rel

ay

RE

G67

0

Mak

e: A

BB

Tes

t sw

itch:

RT

XP

18

for R

EG

670

1 1M

YN

5650

10-A

4GR

P1A

+ D

25.1

07.1

01

Tes

t Sw

itch-

2 fo

r Mai

n-1

GE

N

Pro

t. R

elay

R

EG

670

Mak

e: A

BB

Tes

t sw

itch:

RT

XP

18

for R

EG

670

1 1M

YN

5650

10-A

4GR

P1A

+ D

25.1

13.1

01

Tes

t Sw

itch-

3 fo

r Mai

n-1

GE

N

Pro

t. R

elay

R

EG

670

Mak

e: A

BB

Tes

t sw

itch:

RT

XP

18

for R

EG

670

1 IN

RK

926-

015-

AM

4GR

P1A

+ D

25.1

19.1

01

Tes

t Sw

itch-

3 fo

r G

T D

iff. P

rot.

Rel

ay R

ET

670

Mak

e: A

BB

Tes

t sw

itch:

RT

XP

18

for R

ET

670

1 IN

RK

926-

015-

AM

4GR

P1A

+D25

.131

.101

,301

In

com

ing

DC

-1&

2 S

uper

visi

on

Rel

ays

Mak

e A

BB

, Typ

e: T

SR

Siz

e: 2

S. 6

C

Con

tact

s: 2

C/O

A

ux v

olta

ge: 1

10/2

20V

DC

2 IN

352-

001-

AS

4GR

P1A

+D25

.143

.101

,107

,113

,D

25.1

37.1

01

RX

SF

Rel

ays

for

GT

Tro

uble

A

larm

s

Mak

e: A

BB

Typ

e: R

XS

F, S

ize:

2S

, 6C

C

onta

cts:

3 N

/O p

er e

lem

ent,

2 el

emen

ts,

with

reve

rse

flag,

A

ux v

olta

ge: 2

20V

DC

4 IN

RK

271-

017-

AS

4GR

P1A

+D25

.143

.301

,307

,313

R

XS

F R

elay

s fo

r G

T T

roub

le

Trip

s

Mak

e: A

BB

Typ

e: R

XS

F, S

ize:

2S

, 6C

C

onta

cts:

3 N

/O p

er e

lem

ent,

2 el

emen

ts,

with

reve

rse

flag,

A

ux v

olta

ge: 2

20V

DC

3 IN

RK

271-

017-

AS

4GR

P1A

+D29

.101

.101

P

ush

But

ton

Mod

ule

for

Cla

ss-A

Trip

R

elay

s R

eset

Mak

e: A

BB

, Pus

h B

utto

n U

nit

Siz

e: 2

S, 6

C

Con

tact

s 2

N/O

+2 N

/C

1 IN

5396

-300

1-A

C

4GR

P1A

+D29

.107

.101

G

RP

-1C

LAS

S A

3

Ph

Mas

ter

Trip

Rel

ay-1

Mak

e:A

BB

, Typ

e: R

XM

VB

4,

Siz

e: 4

S,1

2C

Con

tact

s: 1

1N/O

+3N

/C, E

lect

rical

ly R

eset

A

ux v

olta

ge: 4

8 V

DC

1 IN

RK

251-

403-

AH

4GR

P1A

+D29

.107

.313

R

esis

tor U

nit f

or

RX

MV

B4

Trip

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Des

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09

11

B

ILL

OF

MA

TER

IALS

4

of 6

Item

D

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natio

n D

esig

natio

n/

Mak

e Ty

pe,

Tech

nica

l Dat

a

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O

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In

form

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n

Ref

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RP

1A+D

29.1

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13

Sup

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R

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C

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Rel

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09

11

B

ILL

OF

MA

TER

IALS

5

of 6

Item

D

esig

natio

n D

esig

natio

n/

Mak

e Ty

pe,

Tech

nica

l Dat

a

Qty

O

rder

In

form

atio

n

Ref

4G

RP

1A+D

37.1

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01

Pus

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k

S

heet

AV

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SE

09

11

B

ILL

OF

MA

TER

IALS

6

of 6

Item

D

esig

natio

n D

esig

natio

n/

Mak

e Ty

pe,

Tech

nica

l Dat

a

Qty

O

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In

form

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n

Ref

FS

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fo

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