1 X2 – 9 FF-1
AVR Panel
Field AVR Panel Field
STATIO
2F3 3 STATION ACDB Flashing 3C x 2.5 (CU) 75 2 X2 – 10 FF-2 Flashing (Unit-1)
N ACDB
(Unit-1) Supply – 1
Supply – 1
3 X2 – 11 _
1 X2 – 13 L1
AVR Pane
cooling fan 2 X2 – 14 L2 AVR Pane cooling
STATIO
2F4 4 STATION ACDB power 4C x 10 (AL) 75 fan power supply-
N ACDB
supply-1 3 X2 – 15 L3 1 (Unit-1)
(Unit-1)
4 X2 – 16 _
1 R U
AVR PANEL 2 Y V AVR PANEL
EMERGENCY COOLING
EMCC1 13RC 64 4C x 10 (AL) 75 COOLING FAN
MCC-1 FAN
3 B W SUPPLY-2
SUPPLY-2
4 N N
AVR AC 1 R TB1-13 AVR AC
CONTROL 2C x 2.5 (CU) CONTROL
TMCC112FC-54-2A 50 TURBINE MCC-1 75
POWER (CU) POWER SUPPLY-
SUPPLY-1 1
AVR AC AVR AC
CONTROL 2C x 2.5 (CU) CONTROL
TMCC112FC-54-2A 50 TURBINE MCC-1 75
POWER (CU) POWER SUPPLY-
SUPPLY-1 2 N TB1-17 1
AVR AC 1 Y TB1-21 AVR AC
CONTROL 2C x 2.5 (CU) CONTROL
TMCC112FC-54-2B 51 TURBINE MCC-1 75
POWER (CU) POWER SUPPLY-
SUPPLY-2 2 N TB1-22 2
AVR
EXCITATIO AVR EXCITATION
N PANEL 1 X2-23 PFU-1 PANEL
MAIN PLANT
DCDB-1 1R1 17 (CONTROL 2C x 10 (CU) 75 (CONTROL
DCDB-1
SUPPLY 2 X2-24 PFU-2 SUPPLY FOR
FOR FIELD FIELD CB)
CB)
CONTROL
SUPPLY CONTROL
FEED DC 1 X3-5 DC-DC-1 SUPPLY FEED
MAIN PLANT
DCDB-1 7F3 37 TO DC 2C x 2.5 (CU) 75 DC TO DC
DCDB-1
CONVERTO 2 X3-6 DC-DC-4 CONVERTOR
R AVR AVR PANEL
PANEL
1 X28-17 HTB-41
DCS HTB-41
EXCITER ON
DCS HTB-42
COMMAND
HTB-43 TB2-33
2 X28-18 TB2-34
AVR
ECB1 3 ECB-1 10C x 1.5 (Cu) 100
PANEL-1
3 X28-19 TB2-35
AVR EXCITER OFF
ECB1 3 ECB-1 10C x 1.5 (Cu) 100
PANEL-1 COMMAND
4 X28-20 TB2-36
5 X28-9 HTB-25
GENERATOR
VOLTAGE RAISE
6 X28-10 HTB-27
7 X28-11 HTB-29 GENERATOR
VOLTAGE
8 X28-12 HTB-31 LOWER
9,10 SPARE
X GENERATOR
AUXILIARY
2 X03-63 X TROUBLE
1 X03-62 TB1-17 GENERATOR
EXCITATION
3 X03-65 TB1-18 TROUBLE
4 X10-17B HTB-1 COMMON
AVR EXCITATION ON
ECB1 5 ECB-1 10C x 1.5 (Cu) 100 5 X10-117 HTB-2
PANEL-1 IND
HTB-13
EXCITATION OFF
6 X10-118 HTB-14
IND
FM12-A15
AVR MANUAL
MODE IND
AVR MANUAL
MODE IND
7 X10-119 FM12-A16
8,9,10 SPARE
X15-13 XDC1-D+
1P FIELD CURRENT
X15-14 XDC1-F-
AVR 4P x 0.75 (CU
ECB1 9 ECB-1 100 X15-15 XDC2-D+
PANEL-1 SCREENED)
2P FIELD VOLTAGE
X15-16 XDC2-F-
3P,4P SPARE
1 TB1-11 2CTSW1-2
2CTSW1-4
(CT-6 PHASE
2 TB1-12 2CTSW2-2 SIDE)
REVERSE / LOW
IPBD MB-1 AVR 5C x 2.5 (Cu) FORWARD
IPBDMB1 19 75 2CTSW2-4 POWER
GEN SIDE PANEL-1
PROTECTION
3 TB1-13 2CTSW3-2
4 TB1-10 2CTSW3-4
5 SPARE
1 X01-11 X
(CT-6 PHASE
2 X01-12 X SIDE)
REVERSE / LOW
AVR FORWARD
GRP1 20 GRP-1 (UNIT-1) 5C x 2.5 (Cu) 25 3 X01-13 X POWER
PANEL-1
PROTECTION
4 X01-14 X
5 SPARE
1 X04-18 HTB-3 COMMON
2 X04-16 HTB-4 FIELD CB CLOSE
AVR
GRP1 25 GRP-1 (UNIT-1) 5C x 1.5 (Cu) 50 HTB-15
PANEL-1
3 X04-17 HTB-16 FIELD CB OPEN
4,5 SPARE
1 X04-67 TB1-1
EXCITATION
SYSTEM FAULT
2 X04-68 TB1-5
AVR 5C x 1.5 (Cu)
GRP1 31 GRP-1 (UNIT-1) 25 3 X04-122 HTB-33 EXCITATION
PANEL-1 FS CABLE
BREAKER TRIP
COIL
AVR 5C x 1.5 (Cu)
GRP1 31 GRP-1 (UNIT-1) 25 EXCITATION
PANEL-1 FS CABLE
BREAKER TRIP
4 X04-123 HTB-35 COIL
5 SPARE
ROTOR EARTH
1 X02-7 X FAULT
GENERATO PROTECTION
GRP1 32 GRP-1 (UNIT-1) 3C x 2.5 (Cu) 100
R-1
2,3 SPARE
1 X04-21 X
AVR FAIL
2 X04-22 X
AVR 5C x 1.5 (Cu) EXCITATION
GRP1 41 GRP-1 (UNIT-1) 50 3 X04-124 x
PANEL-1 FS CABLE BREAKER
CLOSING
4 X04-125 x CIRCUIT
5 SPARE
1 X01-11 X
(CT-3 NEUTRAL
2 X01-12 X SIDE)
REVERSE / LOW
AVR FORWARD
GRP2 47 GRP-2 (UNIT-1) 5C x 2.5 (Cu) 25 3 X01-13 X POWER
PANEL-1
PROTECTION
4 X01-14 X
AVR
GRP2 47 GRP-2 (UNIT-1) 5C x 2.5 (Cu) 25
PANEL-1
5 SPARE
1 X X
(CT-3 NEUTRAL
2 X X SIDE)
REVERSE / LOW
GENERATOR FORWARD
AVR
GRP2 47A (NEUTRAL 5C x 2.5 (Cu) 75 3 X X POWER
PANEL-1
CT-3) PROTECTION
4 X X
5 SPARE
1 X04-18 HTB-5 COMMON
2 X04-16 HTB-6 FIELD CB CLOSE
AVR
GRP2 48 GRP-2 (UNIT-1) 5C x 1.5 (Cu) 50 HTB-17
PANEL-1
3 X04-17 HTB-18 FIELD CB OPEN
4,5 SPARE
1 X04-150 TB1-11
EXCITATION
AVR 5C x 1.5 (Cu) SYSTEM FAULT
GRP2 49 GRP-2 (UNIT-1) 25 2 X04-151 TB1-15
PANEL-1 FS CABLE
AVR 5C x 1.5 (Cu)
GRP2 49 GRP-2 (UNIT-1) 25
PANEL-1 FS CABLE
3,4,5 SPARE
1 TB3-2 PTSW1-1
VT-1 CORE-1
2 TB3-3 PTSW1-3
AVR 5C x 1.5 (Cu) GENERATOR
LAVT1 56 LAVT-1 MB 50 PROTECTION
PANEL-1
3 TB3-4 PTSW1-5
4,5 SPARE
1 TB3-22 PTSW2-1
VT-3 CORE-1
2 TB3-23 PTSW2-3
AVR 5C x 1.5 (Cu) GENERATOR
LAVT1 57 LAVT-1 MB 50 PROTECTION
PANEL-1
3 TB3-24 PTSW2-5
4,5 SPARE
1 HTB-37
GCB Q0 NO
CONTACT
2 HTB-39
AVR
GCB GCB-1 5C x 1.5 (Cu) 3 HTB-42
PANEL-1 GCB Q81 NC
CONTACT
4 HTB-43
5 SPARE
AVR Panel Field SVG134
Flashing (Unit-1) 6 – ILA -
Supply – 1 0101
AVR Pane cooling SVG134
fan power supply- 6 – ILA -
1 (Unit-1) 0101
AVR PANEL ABB /
COOLING FAN J3025 /
SUPPLY-2 532 / F1
ABB /
J3025 /
AVR AC
533A /
CONTROL
F5 /
POWER SUPPLY-
389B190
1
8AE,SH
9A
ABB /
J3025 /
AVR AC
533A /
CONTROL
F5 /
POWER SUPPLY-
389B190
1
8AE,SH
9A
ABB /
J3025 /
AVR AC
533A /
CONTROL
F5 /
POWER SUPPLY-
389B190
2
8AE,SH
9A
SVG
AVR EXCITATION
1346 /
PANEL
(CONTROL
389B190
SUPPLY FOR
8AE,SH
FIELD CB)
4BA
SVG
CONTROL
1346 /
SUPPLY FEED
DC TO DC
389B190
CONVERTOR
8AE,SH
AVR PANEL
10B
EXCITER ON
COMMAND
MMP-
1375,
SH 70 /
389B190 GENER
8AE,SH ATOR-1
11AC
MMP-
1375,
SH 70 /
EXCITER OFF 389B190 GENER
COMMAND 8AE,SH ATOR-1
11AC
GENERATOR
VOLTAGE RAISE
GENERATOR
VOLTAGE
LOWER
SPARE
GENERATOR
AUXILIARY MMP-
TROUBLE 1375,
SH 103 /
389B190
GENERATOR 8AE,SH
EXCITATION 11AC
TROUBLE
COMMON
EXCITATION ON GENER
IND ATOR-1
MMP-
1375,
SH 92 /
EXCITATION OFF 389B190
IND 8AE,SH
9G
AVR MANUAL
MODE IND
389B190
8AE,SH
9G
AVR MANUAL
MODE IND
SPARE
FIELD CURRENT
MMP-
1375,SH
15 / GENER
389B190 ATOR -1
FIELD VOLTAGE 8AE,SH
8C
SPARE
(CT-6 PHASE 3120131
SIDE) 0008 /
REVERSE / LOW
FORWARD 389B190 GENER
POWER 8AE,SH ATOR-1
PROTECTION 6B,6C
SPARE
(CT-6 PHASE
SIDE)
REVERSE / LOW YN1M30
FORWARD 2096- GENER
POWER CAA,SH ATOR-1
PROTECTION 42
SPARE
COMMON
YN1M30
2096-
FIELD CB CLOSE CAA,SH
45 /
389B190 GENER
8AE, SH ATOR-1
7B
FIELD CB OPEN
SPARE
YN1M30
2096-
CAA,SH
EXCITATION
56 /
SYSTEM FAULT
389B190
YN1M30
8AE,SH
2096-
7A GENER
EXCITATION CAA,SH ATOR-1
BREAKER TRIP 104 /
COIL 389B190
8AE,SH
7A
YN1M30
2096- GENER
EXCITATION CAA,SH ATOR-1
BREAKER TRIP 104 /
COIL 389B190
8AE,SH
7A
SPARE
ROTOR EARTH
FAULT YN1M30
PROTECTION 2096- GENER
CAA,SH ATOR-1
SPARE 51
YN1M30
2096-
AVR FAIL
CAA,SH
46
YN1M30
2096- GENER
EXCITATION
CAA,SH ATOR-1
BREAKER
104 /
CLOSING
389B190
CIRCUIT
8AE,SH
7A
SPARE
(CT-3 NEUTRAL
SIDE) YN1M30
REVERSE / LOW 2096-
FORWARD CAA,SH
GENER
POWER 65 /
ATOR-1
PROTECTION 389B190
8AE,SH
6B,6C
CAA,SH
GENER
65 /
ATOR-1
389B190
8AE,SH
6B,6C
SPARE
(CT-3 NEUTRAL
SIDE)
REVERSE / LOW
FORWARD 389B190
GENER
POWER 8AE,SH
ATOR-1
PROTECTION 6B,6C
SPARE
COMMON
YN1M30
2096-
FIELD CB CLOSE CAA,SH
67 /
389B190 GENER
8AE, SH ATOR-1
7A
FIELD CB OPEN
SPARE
YN1M30
2096-
CAA,SH
EXCITATION
90 /
SYSTEM FAULT
389B190 GENER
8AE,SH ATOR-1
7A
GENER
ATOR-1
SPARE
3120131
0005 /
VT-1 CORE-1
GENERATOR
389B190 GENER
PROTECTION
8AE,SH ATOR-1
6A
SPARE
3120131
0005 /
VT-3 CORE-1
GENERATOR
389B190 GENER
PROTECTION
8AE,SH ATOR-1
6A
SPARE
GCB Q0 NO
CONTACT
GCB Q81 NC
CONTACT
SPARE
