gt relay panel
TRANSCRIPT
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8/10/2019 Gt Relay Panel
1/53
APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021
220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/40316 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
LIST OF DRAWINGS30-05-2009
KM75
00 52
DM751200
1 LIST OF REFERENCES2 LIST OF SYMBOLS
3 KEY DIAGRAM
4 TRIP LOGIC MATRIX
5 AC DISTRIBUTION
6 DC DISTRIBUTION
7 DC SUPERVISION
8
METERING CIRCUIT9
DIFFERENTIAL PROTN REALY - CT/PT CKT1011 DIFFERENTIAL PROTN REALY - DC CKT
12 DIFFERENTIAL PROTN REALY - I/O DETAILS
13 BACKUP PROTN RELAY - CT CKT
14 BACKUP PROTN RELAY - DC CKT
15 BACKUP PROTN RELAY - I/O DETAILS
16 REF / SEF PROTECTION - CT CKT
17 REF / SEF PROTECTION - DC CKT
18 REF / SEF PROTECTION - I/O DETAILS
19BUSBAR PROTN. - CT CKT.20
BUSBAR PROTN. - OPTOS21
BUSBAR PROTN. - OUTPUT RELAYS22
GEN PROTN PANEL-TRIP CONTACTS23
24 CIRCUIT BREAKER CONTROL CKT. (TC-1)
25 CIRCUIT BREAKER CONTROL CKT. (TC-2)
26 ISOLATOR / EARTH SWITCH CKT
27 ISOLATOR / EARTH SWITCH CKT
28 ISOLATOR / EARTH SWITCH CKT29
220KV TBC CONTACT DISTRIBUTION30
'I' OR 'T' MODE CONTACT MULTIPLIER31
SWITCH CONTACT DISTRIBUTION32
33
3435
36
BCU CARD DETAILS37
BCU CT/PT & AUX SUPPLY CKT38
BCU INPUT CIRCUIT39
BCU INPUT CIRCUIT40
41 BCU OUTPUT CIRCUIT
42 BCU OUTPUT CIRCUIT
43 BCU OUTPUT CIRCUIT44
45
BREAKER CONTACT DISTRIBUTION46
BREAKER CONTACT DISTRIBUTION
ISOLATOR CONTACT DISTRIBUTION
SCHEMATIC DRAWING220KV FEEDER PROTECTIONPANEL TYPES: 2G1A 2G1B
47
BCU INTERLOCKING LOGIC
GT-IVT SUPLLY CIRCUIT
48
BCU INTERLOCKING LOGICBCU INTERLOCKING LOGIC
VECTOR SURGE PROTECTION-CT/INPUT CKT.
ISOLATOR / EARTH SWITCH CKT
BCU INTERLOCKING LOGIC
ISOLATOR CONTACT DISTRIBUTION49
EARTH SWITCH CONTACT DISTRIBUTION50
TRANSFORMER AUX RELAYS
VT SUPERVISION - METERING CORE
6. BAY-23 : 135MVA GT-6
5. BAY-19 : 135MVA GT-5
2G6A
2G5A
TYPICAL SCHEME DRAWING FOR 6 N0S GT
2. BAY-9 : 135MVA GT-2
1. BAY-6 : 135MVA GT-1
PANEL
2G2A
2G1A
4. BAY-16 : 135MVA GT-4
3. BAY-15 : 135MVA GT-3
2G4A
2G3A
2G6B
2G5B
2G2B
2G1B
2G4B
2G3B
86A RELAY CIRCUIT51
86B RELAY CIRCUIT52
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APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021
220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/40316 MPTA INTEGRTD. STEEL PLANT, MSDS-1TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
KEY DIAGRAM30-05-2009
KM75
03 52
DM751203
CLASS:5
P20
230/13.8
kV
144/180MVA
GEN.
TRANSFORMER
RATIO:8
00/1A
CORE-1
P2
P1
2-6-L
A P1
2-6-8
9AE
2-6-8
9B
220KVTRANSFERBUS
220KVMAINBUS
-1
220KVMAINBUS
-2
2-6-8
9C
2-6-5
2
2-6-8
9L
2-6-8
9AP
2
CORE-1
CLASS:PS
RATIO:3000-1
500/1A
Imag3000/1500V
Rct INDICATES TB'S IN ISOLATOR JB.
--> INDICATES TB'S IN E/S JB.
2G1B
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APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/4031
6 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
BCU OUTPUT CIRCUIT30-05-2009
KM75
41 52
DM751241
K1124
K3124
K59
25
K54
25
K39
24
K31
24
BCUDOUE
TBOE
1
TBOE
2
TBOE
3
TBOE
4
TBOE
5
TBOE
6
TBOE
7
TBOE
8
TBOE
9
TBOE
10
TBOE
11
TBOE
12
TBOE
13
TBOE
14
19
TBOE
24 22
TBOE
23
CB TRIP TC-1
CB TRIP TC-2
CB CLOSE INTERLOCK
'I' OR 'T' MODE SELECTED
'NORMAL' MODE SELETED
20
16
TBOE
15
TBOE
21
K30131
K39131
K301
31
K393
31
ISOLATOR 2-6-89T OPEN
ISOLATOR 2-6-89T CLOSE
COMMON
K863
29
K867
29
K86529
K869
29
K871
29
K873
29
K875
29
TO ISOLATOR 2-6-89T I/C
EARTH SWITCH 2-6-89TE
I/L PERMISSIVE
SPARE
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2G1B
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APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/4031
6 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
BCU OUTPUT CIRCUIT30-05-2009
KM75
43 52
DM751243
BCUDOUG
TBOG
1
TBOG
2
TBOG
3
TBOG
4
TBOG
5
TBOG
6
TBOG
7
TBOG
8
TBOG
9
TBOG
10
TBOG
11
TBOG
12
TBOG
13
TBOG
14
TBOG
15
TBOG
16
TBOG
21 19
TBOG
24 22
TBOG
20
TBOG
23
ISOLATOR 2-6-89L OPEN
ISOLATOR 2-6-89L CLOSE
COMMON
EARTH SWITLH 2-6-89LE2
EARTH SWITLH 2-6-89LE1
TO ISOLATOR 2-6-89L I/L
I/L PERMISSIVE
I/L PERMISSIVE
2G1B
K823
27
K821
27
K825
27
K843
27
K847
27
K851
27
K841
27
K845
27
K849
27
ISOLATOR 2-6-89C OPEN
ISOLATOR 2-6-89C CLOSE
COMMON
K855
28
K853
28
K857
28
ISOLATOR 2-6-89C I/L PERMISSIVEK859
28
K861
28
SPARE
SPARE
TO TC-1K7D
24K7
24
TO TC-2K77D
25
K7725
+VE -VE11TRANSFORMER - MB
2G1A
+VE -VE17TRANSFORMER - MB
2G1A
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APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021
220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/4031
6 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
TRANSFORMER AUX RELAYS30-05-2009
KM75
44 52
DM751244
K161
37
TB2K301
36
23 23 TO GRP-A TRIP
SPARETB4
19
TB4
20
TO 87 (D/R)11 11
23 TO GRP-B TRIP23
K302A2A1
30A
K183K30911
12
14
K103K101
.
21
22
24
U44U43
.
31
32
34
K203K201
.
41
42
44
NOTE: MARSHALLING BOX DETAILS TO BE IDENTIFIED AT SITE
K163
38
23 23 TO GRP-A TRIP
SPARETB4
21
TB4
22
TO 87 (D/R)11 11
23 TO GRP-B TRIP23
K302A2A1
30B
K185K30911
12
14
K103K101
.
21
22
24
U46U45
.
31
32
34
K203K201
.
41
42
44
K165
39
23 23 TO GRP-A TRIP
SPARETB4
23
TB4
24
TO 87 (D/R)11 11
23 TO GRP-B TRIP23
K302A2A1
30C
K187K30911
12
14
K103K101
.
21
22
24
U48U47
.
31
32
34
K203K201
.
41
42
44
K261
41
TB2K501
40
23 23 TO GRP-A TRIP
SPARETB4
25
TB4
26
TO64 (D/R)17 17
23 TO GRP-B TRIP23
K502A2A1
30D
K329K32311
12
14
K103K101
.
21
22
24
U50U49
.
31
32
34
K203K201
.
41
42
44
K263
42
23 23 TO GRP-A TRIP
SPARETB4
27
TB4
28
TO64 (D/R)17 17
23 TO GRP-B TRIP23
K502A2A1
30E
K331K32311
12
14
K103K101
.
21
22
24
U52U51
.
31
32
34
K203K201
.
41
42
44
K265
43
23 23 TO GRP-A TRIP
SPARETB4
29
TB4
30
TO64 (D/R)17 17
23 TO GRP-B TRIP23
K502A2A1
30F
K333K32311
12
14
K103K101
.
21
22
24
U54U53
.
31
32
34
K203K201
.
41
42
44
BUCHHOLZ TRIP
WTI HV TRIP
OSR TRIP
PRD TRIP
WTI LV TRIP
OTI TRIP
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46/53
APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021
220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/4031
6 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
VT SUPERVISION - METERING CORE30-05-2009
KM75
45 52
DM751245
+VE-VE
K351
06
K352
06
17
19
15
.
.
8 10
60-1
7 9
60-14
6
2
60-1
U56
3
5
1
60-1
S135
23
25
27
A
AB
60-1E11
E31
E51
11
1314
60-1
K32608
40
S101
40
TB4
12
TB4
11
TO BCU(VT FUSE FAIL)
B
CIVTCO
RE-
3
2G1B
IPR
2G1A
K326
14
K352
14
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APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021
220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/4031
6 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
BREAKER CONTACT DISTRIBUTION30-05-2009
KM75
46 52
DM751246
SC12- 39
SC12- 21TO B/B PROTN.
TO BCU
52a
1
A PHASE B PHASE C PHASE
TB5
2
TB6 TB7
3 4
5 6
7 8
17 18
21 22
23 24
25 26
27 28
52a52aTB5 TB6 TB7
1 2
3 4
5 6
7 8
17 18
21 22
23 24
25 26
27 28
1 2
3 4
5 6
7 8
17 18
21 22
23 24
25 26
27 28
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48/53
APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021
220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/4031
6 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
BREAKER CONTACT DISTRIBUTION30-05-2009
KM75
47 52
DM751247
SC12-21TO B/B PROTN.
TO BCUSC12-39
52a
9
A PHASE B PHASE C PHASE
TB5
10
11 12
13 14
15 16
29 30
31 32
33 34
35 36
37 38
TB552a
9
TB6
10
11 12
13 14
15 16
29 30
31 32
33 34
35 36
37 38
52a
9
TB7
10
11 12
13 14
15 16
29 30
31 32
33 34
35 36
37 38
TB6 TB7
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APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021
220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/4031
6 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
ISOLATOR CONTACT DISTRIBUTION30-05-2009
KM75
48 52
DM751248
SC12-40SC12-39 SC12-39 SC12-39
43
41
39
37
44
42
40
38
89Na
33
35
31
29
27
25
34
36
32
30
28
26
MASTER
TB4 TB4TO BCU
SC12-21SC12-21 SC12-21 TO BB PROTN
SC12-40
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APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021
220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/4031
6 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
ISOLATOR CONTACT DISTRIBUTION30-05-2009
KM75
49 52
DM751249
1413
15
17
19
16
18
20
89Nb
7
9
11
3
5
1
8
10
12
4
6
2
MASTER
TB3 TB3SC12-40SC12-39 SC12-39 SC12-39 TO BCU
SC12-21SC12-21 SC12-21 TO BB PROTN
SC12-40
-
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51/53
APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021
220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/4031
6 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
EARTH SWITCH CONTACT DISTRIBUTION30-05-2009
KM75
50 52
DM751250
17
23
21
19
15
13
18
24
22
20
89Nb
16
14
11
9
7
5
12
10
8
6
1
3
89Na
2
4
MASTER
MASTER
TB5 TB5
TB5 TB5
TO BCU
TO BCU
I/LSC12-24 SC12-24
SC12-39 SC12-39 SC12-39
SC12-39 SC12-39 SC12-39
SC12-40
SC12-40
K301
06K302 K7A
EQPT
TYPE
LOC
86A
2G1A
MVAJ2052G1A
TB2TB2 K7
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52/53
APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021
220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/4031
6 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
TRIP RELAY CIRCUIT - GROUP-A30-05-2009
KM75
51 52
DM751251
27 28
86A
K302
K307 K3022625
K41C4442
11
30
K863230
U17231
K354745
K123129
P111T4846
P1192018
K3131917
GT PROTN OPTD
TO 87
220KV MAIN BKRTO LBB PROTN
TRIP OPTD
K77A86
K47B3937
K47C4341
K41B4038
K41A3634
K47A3533
K77B1210
K77C1614
-VE
K302
06
K7C1513
K7B119
K7A75
30
220KV MAIN BKR
TO TC-1 OF
24
TO GRP
TO LBB PROTN220KV TBC BKR
U17042
CB CLOSING I/LTO 220KV MAIN
CB CLOSING I/LTO 220KV TBC 30
87K301
11 220KV MAIN BKR
TO TC-2 OF
25
24
30
TO TC-1 OF
220KV TBC CB
TB4
34
TB4 U17133 SPARE
SPARETB4
32
TB4 U169
31
TB2
46
TB2 K33
45
TB2
23
TB2
24
TRIP COMMAND FROM GRP OR GTPP
TB3
40
TB2
2
TB3
24
TB3
22
TB3
20
TB3
7
TB3
5
TB3
3
TB2
29
TB2
28
TB2
27
TB2
16
TB2
15
14
TB3
11
TB3 P105X
9
TB2 K39
23
TB3K85A
26
TB3 P105
39
TB2 K309
1
TB3 K4118
TB3 K47
1
TB2 K77
26
13
23
52
TO TC-2 OF
220KV TBC CB
2G1A
2G1A
2G1A
2G1B
2G1B
2G1A21
2G1A
2G1A
2G1A
522G1A
2G1A
2G1A
NOTE: ALL TB's ARE ALREADY AVAILABLEFOR LOCATING TB'S GO TO THE REF SHEET.
PANEL REF IS GIVEN BESIDES THE TB's
13
87 R86AK313
1 23.3K
TB2
51
TB2
50
K501
06
K502
06
EQPT
TYPE
LOC
86B
2G1A
MVAJ205
K7A75
2G1A
TB2
14
TB2 K7
132G1B
-
8/10/2019 Gt Relay Panel
53/53
APPROVED BY:
DRG. NO.:
CHECKED BY:
PREPARED BY: REVISION:
DATE:
SCALE:
SCHEME TYPE:
ENGG.REF.NO.:
SALES ORDER:
PANEL TYPES:
SCHEMATIC DRAWING
PROJECT:
TITLE:P.O.NO.:
CUSTOMER:
Dated
FOR AREVA REF:
--
SHT OF
FILE:2G1A 2G1BGEN. TRANSF.
3269000021
220KV FEEDER PROTECTION
AM
AM
SSS
ZC
17/12/10
CPD KM75 SC12
JSPL DRG. NO: JSPL/AREVA/MSDS1/AS/BE/4031
6 MPTA INTEGRTD. STEEL PLANT, MSDS-1
TK 7601 076/AUT/OI
Jindal Steel & Power Ltd., Angul
TRIP RELAY CIRCUIT - GROUP-B30-05-2009
KM75
52 52
DM751252
27 28
86B
K502
+VE
K507 K5022625
-VE
06
K41C4442
K873230
U5 U631
K454745
P111T4846
K133129
K3371917
P1232018
K77A86
K47B3937
K41A3634
K41B4038
K47C4341
K77C1614
K77B1210
K47A3533
K7B119
K7C1513
U16842
SPARE
64K501
17
TB4 U5
37
TB4
38SPARE
TB4 U167
35
TB4
36
TB2
29
TB2
30
23
11
30
GT PROTN OPTD
TO 87
220KV MAIN BKRTO LBB PROTN
TRIP OPTD
30
220KV MAIN BKR
TO TC-1 OF
24
TO GRP
TO LBB PROTN
220KV TBC BKR
CB CLOSING I/LTO 220KV MAIN
CB CLOSING I/LTO 220KV TBC
30
220KV MAIN BKR
TO TC-2 OF
25
24
30
TO TC-1 OF
220KV TBC CB
TB2
46
TB2 K33
45
TB3
40
TB2
3
TB3
24
TB3
22
TB3
20
TB3
7
TB3
5
TB3
3
TB2
29
TB2
28
TB2
27
TB2
16
TB2
15
TB3
11
TB3 P105X
9
TB2
23
TB3
26
TB3 P10539
TB2 K309
1
TB3 K4118
TB3 K471
TB2 K77
26
51
TO TC-2 OF
220KV TBC CB
2G1A
2G1A
2G1A
2G1B
2G1A21
2G1A
2G1A
2G1A
512G1A
NOTE: ALL TB's ARE ALREADY AVAILABLEFOR LOCATING TB'S GO TO THE REF SHEET.
PANEL REF IS GIVEN BESIDES THE TB's
WHERE-EVER REQUIRED CONTACT LOOPING IS TO BE DONE WITH 86A
TRIP COMMAND FROM GRP OR GTPP
17
64 R86BK513
1 23.3K
TB2
53
TB2
52