Amps X 10 Main Bus (Nom. kV=400, Plot Ref.

kV=400)
PATH 01 - OVER CURRENT GRAPH
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
10K 675 A, 10000 s 10K

5K
UNIT - 1 GSUT 5K Relay - GSUT I/C
FLA - ONAF 65 ±

12914.41 Amps R
3K 3K

798 A, 1500 s
UNIT - 1 GSUT Relay - 51NT
425 MVA ±

1K 920 A, 700 s 1K R

NGR
500 500 21 ohm(Reactance)
BusDuct - 7
300 300
Damage Curve 15000 A

MV - GSUT - 1
100 100

50 50 BusDuct - 1 BusDuct - 3
920 A, 30 s 700 A
15000 A
30 30

1043 A, 10 s UNIT - 1 TRANSFORMER 1

Seconds
Seconds

Relay - UB I/C - P GCB 1

10 1227 A, 7 s 10 20 MVA
OC1 Relay - SBEF UNIT T/F
BusDuct - 2
ABB ±
1534 A, 4.5 s
REF 620 15000 A R
5 CT Ratio 2000:1 5

IEC Normal Inverse 1840 A, 3 s

3
Pickup = 0.9 2147 A, 2.2 s 3
Time Dial = 0.35
Inst = 12.5 Cable - 3
Time Delay = 0.4 s
±
9-1/C 630
R
1 1
Relay - UB I/C
NGR CB241 6.6kV Unit Board 1
.5 .5
0.15ohm
914A
.3 UNIT - 1 GSUT .3 UNIT - 1 GENERATOR
Inrush
Multiplier = 8 xFLA UNIT 1 NGTR
(103315.3 Amps @ 19 kV) Relay - GSUT I/C - P GENERATOR 230kVA
Duration = 6 Cycles OC1 446MVA 19kV/240V
.1 ABB .1 18%Xd''
REQ650
CT Ratio 800:1 19kV
UNIT - 1 TRANSFORMER 1
Normal Inverse 0.85Lag
.05 Inrush Pickup = 80 .05
Multiplier = 8 xFLA Time Dial = 0.3
(13996.37 Amps @ 6.6 kV) Inst = 420
.03 .03
Duration = 6 Cycles Time Delay = 1 s

Relay - UB I/C - 3P Relay - GSUT I/C - 3P

.01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
.01 PATH 01 - OVER CURRENT GRAPH
Amps X 10 Main Bus (Nom. kV=400, Plot Ref. kV=400) ETAP Star 21.0.2C

Project: Date: 23-02-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Phase
 Amps X 100 Main Bus (Nom. kV=400, Plot Ref. kV=400)
PATH 01 - EARTH FAULT GRAPH
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
10K 675 A, 10000 s 10K

5K 5K Relay - GSUT I/C

±

R
3K 3K

798 A, 1500 s
UNIT - 1 GSUT Relay - 51NT
425 MVA ±

1K 920 A, 700 s 1K R

NGR
500 500 21 ohm(Reactance)
BusDuct - 7
300 300
15000 A
Damage Curve

MV - GSUT - 1
100 100

50 50 BusDuct - 1 BusDuct - 3
920 A, 30 s 700 A
15000 A
30 30

1043 A, 10 s UNIT - 1 TRANSFORMER 1

Seconds
Seconds

GCB 1
10 1227 A, 7 s 10 20 MVA
BusDuct - 2 Relay - SBEF UNIT T/F
±
1534 A, 4.5 s 15000 A R
5 5
1840 A, 3 s

3 2147 A, 2.2 s 3

Cable - 3
±
9-1/C 630
R
1 1
Relay - UB I/C
Relay - GSUT I/C - G Relay - 51NT - G NGR CB241
OC1 6.6kV Unit Board 1
.5 OC1 .5 0.15ohm
ABB
ABB 914A
REQ650
.3 REQ650 .3 UNIT - 1 GENERATOR
CT Ratio 800:1
CT Ratio 800:1
Normal Inverse
Normal Inverse
Pickup = 40
UNIT 1 NGTR
Pickup = 30 GENERATOR
Time Dial = 0.35
Time Dial = 0.5 230kVA
Inst = 210
Inst = 250 446MVA 19kV/240V
Time Delay = 1.5 s
.1 Time Delay = 1 s .1 18%Xd''
19kV
0.85Lag
.05 .05

Relay - 51NT - G - LG

.03 .03
Relay - GSUT I/C - G - LG

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 100 Main Bus (Nom. kV=400, Plot Ref. kV=400) ETAP Star 21.0.2C

Project: Date: 23-02-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
 PATH 02 - OVER CURRENT GRAPH
Amps X 100 6.6KV BSDG Board (Nom. kV=6.6, Plot Ref. kV=6.6)
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

Relay - BSDG I/C - P

500 OC1 500
ABB BSDG-1 BSDG-2 BSDG-3 BSDG-4 BSDG-5 BSDG-6
Relay - SB I/C - P
300 REF 620 300 2.4 MW 2.4 MW 2.4 MW 2.4 MW 2.4 MW 2.4 MW
OC1 CT Ratio 2000:1
ABB IEC Normal Inverse ±

REF 620 Pickup = 0.92 R

CT Ratio 2000:1 Time Dial = 0.4 Relay - BSDG 1

CB269
CB268 Open
100 IEC Normal Inverse Inst = 15 100 CB264 CB265 CB266 CB267

289 A, 50 s Pickup = 0.9 Time Delay = 0.7 s UNIT - 1 TRANSFORMER 1 6.6KV BSDG Board
Time Dial = 0.35 20 MVA

50 Inst = 12.5 50
±

R CB260

315 A, 25 s Time Delay = 0.5 s Relay - SBEF UNIT T/F ±

CB259 Relay - BSDG I/C
Open
R
30 Relay - UB I/C - P 30
341 A, 16.7 s Cable101 Cable102
OC1 Cable - 3
9-1/C 630
Cable98
367 A, 12.5 s ABB ±
9-1/C 630
Relay - UB TIE Relay - SB TIE
9-1/C 630
9-1/C 630
Relay - UB TIE - P
±

394 A, 10 s
±
R
R

420 A, 8.33 s REF 620 Relay - UB I/C

R R CB243
OC1
±
Relay - SB I/C Open
CB257 CB258
446 A, 7.14 s CT Ratio 2000:1
10 472 A, 6.25 s ABB 10 CB247 CB248
499 A, 5.56 s IEC Normal Inverse CB241
6.6kV Unit Board 1
6.6kV Station Board A
6.6kV Station Board B
525 A, 5 s REF 620 Pickup = 0.9
551 A, 4.55 s
604 A, 3.85 s CT Ratio 2000:1 Time Dial = 0.35 ±

5 630 A, 3.57 s 5
IEC Normal Inverse R
Seconds

Seconds
656 A, 3.33 s Inst = 12.5 Relay - SFC TF 1
Pickup = 0.85 Time Delay = 0.4 s
Relay - BSDG 1 - P CB278
3 Time Dial = 0.3 3
OC1 Inst = 7.5 Cable106
6-1/C 630
ABB Time Delay = 0.3 s
REG615 Relay - SB TIE - P
SFC TF 1
CT Ratio 300:1 OC1 12100/6500/6500 kVA

1 Group 1 1
BSDG-1 ABB
IEC Normal Inverse REF 620
Stator Damage Curve
Pickup = 0.9 CT Ratio 2000:1
.5 Time Dial = 0.45 SFC TF 1 IEC Normal Inverse .5
Inst = 1.5 Pickup = 0.85
Inrush
.3 Time Delay = 0.02 s Time Dial = 0.3 .3 VFD7
Multiplier = 8 xFLA
Inst = 7.5
(11547.01 Amps @ 2.6 kV)
Time Delay = 0.3 s
Duration = 6 Cycles
Relay - SFC TF 1 - P
.1
OC1 .1
Syn1
9.5 MW
ABB
REF 620
.05 UNIT - 1 TRANSFORMER 1
Relay - SFC TF 1 - 3P CT Ratio 1200:1 .05
Relay - UB TIE - 3P IEC Normal Inverse
Inrush
Pickup = 0.9
.03 Multiplier = 8 xFLA Relay - BSDG I/C - 3P .03
Relay - SB TIE - 3P Time Dial = 0.1
(13996.37 Amps @ 6.6 kV) Relay - SB I/C - 3P Inst = 8.5
Duration = 6 Cycles Relay - UB I/C - 3P Time Delay = 0.1 s

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 100 6.6KV BSDG Board (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 16-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Phase
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay c
 PATH 02 - EARTH FAULT GRAPH

Amps 6.6KV BSDG Board (Nom. kV=6.6, Plot Ref. kV=6.6)

.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K
Relay - BSDG I/C - G
BSDG-4
OC1 BSDG-1 BSDG-2 BSDG-3 BSDG-5 BSDG-6

500 500 2.4 MW 2.4 MW 2.4 MW 2.4 MW 2.4 MW 2.4 MW

ABB
REF 620
300 CT Ratio 2000:1 300 ±

R
IEC Normal Inverse Relay - BSDG 1
Pickup = 0.09 CB265 CB266 CB267 CB268 Open
CB269
CB264
Time Dial = 0.4
6.6KV BSDG Board

100
Relay - SBEF UNIT T/F - G 100 UNIT - 1 TRANSFORMER 1

OC1 20 MVA
±

ABB R
±
CB259 Relay - BSDG I/C CB260

50 REF 620 50 Relay - SBEF UNIT T/F R Open

CT Ratio 1500:1 9-1/C 630

Cable101
Cable102
Cable - 3
30 IEC Normal Inverse 30 ±
9-1/C 630 Cable98 9-1/C 630
Relay - SB TIE - G Pickup = 0.12 R
Relay - UB TIE ±
Relay - SB TIE ±

R
9-1/C 630
R R CB243
OC1 Time Dial = 0.3 Relay - UB I/C ±

CB257
Relay - SB I/C Open
CB258
ABB Relay - SB I/C - G CB241 CB247 CB248
6.6kV Unit Board 1 6.6kV Station Board B
REF 620 OC1 6.6kV Station Board A

10 CT Ratio 2000:1 ABB 10

±

IEC Normal Inverse REF 620 R

Pickup = 0.09 CT Ratio 2000:1

Relay - SFC TF 1
CB278
5 Time Dial = 0.1 IEC Normal Inverse 5
Seconds

Seconds
Relay - UB TIE - G Pickup = 0.09 Cable106
6-1/C 630
3 Time Dial = 0.2 3
OC1
ABB SFC TF 1
12100/6500/6500 kVA
REF 620
CT Ratio 2000:1
1 IEC Normal Inverse 1
Pickup = 0.09
Time Dial = 0.1
Relay - UB I/C - G
OC1
.5 Relay - SFC TF 1 - G ABB
.5 VFD7

OC1 REF 620

.3 ABB .3
CT Ratio 2000:1
REF 620 IEC Normal Inverse
CT Ratio 1200:1 Pickup = 0.09 Syn1
Relay - BSDG 1 - G
IEC Normal Inverse Time Dial = 0.2 9.5 MW
OC1
Pickup = 0.09
.1 ABB .1
Time Dial = 0.1
REG 615
Relay - SB TIE - G - LG
CT Ratio 300:1
.05 Relay - BSDG 1 - G - LG .05
Group 1 Relay - SFC TF 1 - G - LG
IEC Normal Inverse Relay - UB I/C - G - LG
.03 Pickup = 0.09 Relay - UB TIE - G - LG .03
Relay - BSDG I/C - G - LG
Time Dial = 0.1 Relay - SB I/C - G - LG
Relay - SBEF UNIT T/F - G - LG

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps 6.6KV BSDG Board (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 16-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 Amps X 1000 STATION AUX A (Nom. kV=0.4, Plot Ref. kV=0.415)
PATH 03 - OVER CURRENT GRAPH Relay - SB TIE ±

R
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K CB248
CB656 6.6kV Station Board A
CB448 Terasaki
500 ABB Ekip Dip LSI (IEC) AGR-21BL 500
Sensor = 4000 Plug = 4000 Amps Sensor = 1250 Plug = 1250 Amps CB328
Relay - Station Aux TF
300
I1 = 0.95*In (3800 Amps) LT Pickup = 1.0 (1250 Amps) 300
±

R
t1 = 48 t = k/I^2 LT Band = 10
I3 = 15*In (60000 Amps) ST Pickup = 8 (10000 Amps) Cable109
1-3/C 185
CB Override = 100 kA ST Band = 0.4
Inst. Pickup = 16 (20000 Amps)
100 Relay - Station Aux I/C - P 100
STATION AUX TF A
2500 kVA
Relay - SESB - P OC1
Relay - UESB I/C - P OC1 ABB
±

50 OC1 ABB RET 615 50 R

ABB REF 615 CT Ratio 4000:5 Relay - SBEF STA AUX TF

BusDuct22
30 REF 615 CT Ratio 4000:5 IEC Extremely Inverse 30 3500 A
CT Ratio 2000:5 IEC Extremely Inverse Pickup = 0.9 ±
Relay - Station Aux I/C
IEC Extremely Inverse Pickup = 0.8 Time Dial = 2.7 R

Pickup = 1 Time Dial = 2.5 Inst = 18

CB448
Time Dial = 2.8 Inst = 14 Time Delay = 0.2 s
10 Inst = 16 Time Delay = 0.15 s 10 STATION AUX A
CB338
Time Delay = 0.15 s
ABB Ekip Dip LSI (IEC) CB985

5
Relay - SESB I/C - P Sensor = 4000 Plug = 4000 Amps
5 ±
Relay - SESB
Seconds

Seconds
OC1 I1 = 0.85*In (3400 Amps) R

ABB t1 = 36 t = k/I^2
3 3
REF 615 I3 = 13*In (52000 Amps) Cable141

CT Ratio 4000:5 CB Override = 100 kA 8-3/C 300

IEC Extremely Inverse CB985 Relay - SESB I/C

ABB Ekip Dip LSI (IEC)
±

Pickup = 0.8 R

1 Time Dial = 2.5 Sensor = 4000 Plug = 4000 Amps 1

Inst = 14 I1 = 0.85*In (3400 Amps) CB338
STATION ESB A
Time Delay = 0.15 s t1 = 36 t = k/I^2
.5 CB696 I3 = 13*In (52000 Amps) .5 CB514

ABB Ekip Dip LSI (IEC) CB Override = 100 kA Relay - UESB

±

.3 Sensor = 1600 Plug = 1600 Amps Relay - UESB - P .3

R

I1 = 1*In (1600 Amps) ∆ 0.1 s OC1 CABLE INC UESB 1

t1 = 48 t = k/I^2 18-1/C 630
ABB
I3 = 13*In (20800 Amps) ∆ 0.05 s Relay - UESB I/C
REF 615 ±

CB Override = 66 kA R
CT Ratio 2000:5
.1 .1 CB654
Relay - GT ESS MCC - P ∆ 0.1 s IEC Extremely Inverse UNIT ESB 1

OC1 Pickup = 1
Time Dial = 2.7 CB696
.05 ABB .05
Inst = 16 Relay - GT ESS MCC
REF 615
Time Delay = 0.15 s
±

CT Ratio 1500:5 R
.03 STATION AUX TF A .03
IEC Extremely Inverse
Pickup = 1 Inrush
Relay
Relay
Relay
- GT
-Relay
Relay
Station
CB1119
-CB696
CB656
ESS
UESB
Relay
--MCC
SESB
UESB
Aux
-I/C
-3P
SESB
I/C
--I/C
3P
3P
- 3P
- -3P
-3P
3P Relay - Station Aux TF - 3P
Time Dial = 4.7 Relay - SB TIE - 3P CB656
Inst = 17 GT ESSENTIAL MCC (UNIT1)
.01 Time Delay = 0.05 s .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
CB1118
Amps X 1000 STATION AUX A (Nom. kV=0.4, Plot Ref. kV=0.415) ETAP Star 22.5.0C
±

Relay - ELR GT ESS DP

Project: Date: 16-04-2024 CB1119

Location: SN: YHWLLPSIN GT ESSENTIAL DP
Contract: Rev: Base
Engineer: Fault: Phase
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
CB1120

±
Relay - ELR 2
R

GT CO2 LOCAL FIREALARM CP

2 kVA
 Amps 6.6kV Station Board A (Nom. kV=6.6, Plot Ref. kV=6.6) PATH 03 - EARTH FAULT GRAPH 1
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500

300 300

±
Relay - SB TIE
100 100 R

CB248
6.6kV Station Board A
50 Relay - SB TIE - G 50
OC1
30 ABB 30 CB328
Relay - Station Aux TF
REF 620 ±

R
CT Ratio 2000:1
Cable109
IEC Normal Inverse
1-3/C 185
Pickup = 0.09
10 Time Dial = 0.1 10
STATION AUX TF A
2500 kVA

5 5
Seconds

Seconds
R

3 3 Relay - SBEF STA AUX TF

1 1

.5 .5

.3 .3

Relay - Station Aux TF - G

OC1
.1 .1
ABB
REF 620
CT Ratio 250:1
.05 .05
IEC Normal Inverse
Pickup = 0.08
.03 Time Dial = 0.1 .03

Relay - Station
Relay Aux
- SBTF
TIE
-G-G
- LG
- LG

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps 6.6kV Station Board A (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 16-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 Amps X 10 GT ESSENTIAL MCC (UNIT1) (Nom. kV=0.4, Plot Ref. kV=0.415) PATH 03 - EARTH FAULT GRAPH 2
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K
Relay - SBEF STA AUX TF - G STATION AUX TF A
OC1 2500 kVA
500 500
ABB ±

RET 620
R
300 CT Ratio 4000:5 300
Relay - SBEF STA AUX TF
IEC Normal Inverse BusDuct22
Pickup = 0.1 3500 A
Relay - Station Aux I/C
Time Dial = 0.9 ±

100
Relay - Station Aux I/C - G 100
OC1 CB448

STATION AUX A
ABB
50 RET 615 50
CB985
CT Ratio 4000:5
30 Group 1 30 ±
Relay - SESB

IEC Normal Inverse R

Pickup = 0.1
Time Dial = 0.8 Relay - SESB - G Cable141
8-3/C 300
OC1
10 10 Relay - SESB I/C
ABB ±

REF 615 R

CT Ratio 4000:5 CB338

5 5
Seconds

Seconds
Group 1 STATION ESB A
IEC Definite Time
3 3
Pickup = 0.1 CB514
Relay - UESB
Time Dial = 0.7 ±

CABLE INC UESB 1

1 1 18-1/C 630
Relay - UESB I/C
±

CB654
.5 .5 UNIT ESB 1

.3 .3 CB696

Relay - UESB - G Relay - GT ESS MCC

OC1 Relay - SESB I/C - G ±

Relay - GT ESS MCC - G Relay - UESB I/C - G R

ABB OC1
OC1 OC1
REF 615 ABB
.1 ABB ABB .1
CT Ratio 2000:5 REF 615
REF 615 REF 615 CB656
Group 1 CT Ratio 4000:5
CT Ratio 1500:5 CT Ratio 2000:5 GT ESSENTIAL MCC (UNIT1)
IEC Definite Time Group 1
.05 Group 1 Group 1 .05
PickupRelay
= 0.1 IEC Definite Time
IEC Definite Time IEC Definite Time - UESB - G - LG
Time Relay
Dial =- UESB
0.6 I/C - G - LG Pickup = 0.1 CB1118
.03 Pickup = 0.1 Pickup = 0.1 .03
Relay - SBEF STA AUX TF - G - LG Time Dial = 0.7 ±
Relay - ELR GT ESS DP
Time Dial = 0.4 Time Dial = 0.5 Relay - SESB - G - LG R

Relay - GT ESS MCC - G - LG

Relay - Station Aux I/C - G - LG
Relay - SESB I/C - G - LG
.01 .01 CB1119
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
GT ESSENTIAL DP

Amps X 10 GT ESSENTIAL MCC (UNIT1) (Nom. kV=0.4, Plot Ref. kV=0.415)ETAP Star 22.5.0C
CB1120

Relay - ELR 2
±

R
Project: Date: 16-04-2024
Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
GT CO2 LOCAL FIREALARM CP
2 kVA
 PATH 04 - OVER CURRENT GRAPH

Amps X 1000 UNIT ESB 1 (Nom. kV=0.4, Plot Ref. kV=0.415)

.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K
Relay - UB I/C - P
OC1
500 ABB 500
Relay - UESB Tie - P Relay - UB I/C

OC1 REF 620 ±

300 CB696 CT Ratio 2000:1 300

R

ABB
ABB Ekip Dip LSI (IEC) IEC Normal Inverse
REF 615
Sensor = 1600 Plug = 1600 Amps Pickup = 0.9 CB241
CT Ratio 2000:5 6.6kV Unit Board 1
I1 = 1*In (1600 Amps) Time Dial = 0.35
Group 1
t1 = 48 t = k/I^2 Inst = 12.5
100
IEC Extremely Inverse 100
I3 = 13*In (20800 Amps) Time Delay = 0.4 s
Pickup = 1
CB Override = 66 kA CB295
Time Dial = 5
Relay - Unit Aux TF
Inst = 18 ±

50 50 R
Time Delay = 0.1 s

30 CB700 30
Relay - Unit Aux TF - P Cable107
ABB Ekip Dip LSI (IEC)
1-3/C 240
Sensor = 2000 Plug = 2000 Amps OC1
I1 = 1*In (2000 Amps) ABB
t1 = 72 t = k/I^2 REF 620 UNIT AUX TF 1
10 I3 = 15*In (30000 Amps) 10 2000 kVA
CT Ratio 200:1
CB Override = 66 kA IEC Extremely Inverse Relay - SBEF Unit Aux TF
±

Pickup = 0.9 R
5 5
CB701 Time Dial = 10
Seconds

Seconds
ABB Ekip Dip LSI (IEC) Inst = 25
3
Sensor = 2000 Plug = 2000 Amps Time Delay = 0.2 s 3

I1 = 1*In (2000 Amps) Relay - GT ESS MCC - P BusDuct25

3000 A
t1 = 72 t = k/I^2 CB656 OC1
I3 = 15*In (30000 Amps) ABB Relay - Unit Aux I/C
Terasaki AGR-L Relay - UESB Tie
1
CB Override = 66 kA REF 615 1
±
Relay - Unit Aux Tie
Sensor = 1250 Plug = 1250 Amps R ±

LT Pickup = 1.0 (1250 Amps) CT Ratio 1500:5 R R

LT Band = 10 Group 1 ±

.5 CB702 ST Pickup = 8 (10000 Amps) IEC Extremely Inverse .5 CB702

Pickup = 1 UNIT AUX BOARD 1 CB701 CB700
ABB Ekip Dip LSI (IEC) ST Band = 0.4 (I^x)t = OUT UNIT ESB 1
Inst. Pickup = 16 (20000 Amps) Time Dial = 4.7
.3 Sensor = 3200 Plug = 3200 Amps .3
Inst = 17 CB696
I1 = 0.95*In (3040 Amps)
Time Delay = 0.05 s
t1 = 72 t = k/I^2
Relay - GT ESS MCC
I3 = 15*In (48000 Amps) ±

.1
Relay - Unit Aux Tie - P Relay - Unit Aux I/C - P .1
OC1 OC1
ABB ABB
.05 REF 615 REF 615 .05 CB656
GT ESSENTIAL MCC (UNIT1)
CT Ratio 2000:5 CT Ratio 3000:5
.03
Group 1 Relay - Group 1
UB I/C - 3P .03
IEC Extremely Inverse Relay - GT ESS MCC - 3P IEC Extremely Inverse
Pickup = 1 Pickup = 0.94
Relay
Relay
Relay
-- Unit
Unit
-CB656
CB696
UESB
Aux
Aux Tie
I/C
Tie
- 3P
--3P
3P Relay - Unit Aux TF - 3P
Time Dial = 5 Time Dial = 6
Inst = 18 Inst = 15
.01 Time Delay = 0.1 s Time Delay = 0.15 s .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 1000 UNIT ESB 1 (Nom. kV=0.4, Plot Ref. kV=0.415) ETAP Star 22.5.0C

Project: Date: 17-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Phase
 PATH 04 - EARTH FAULT GRAPH 1
Amps 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6)
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500 ±

R
300 300
Relay - UB I/C

CB241
100 100 6.6kV Unit Board 1

50 50

30 30

CB295
± Relay - Unit Aux TF
10 Relay - UB I/C - G 10 R
OC1
ABB Cable107
5 5
REF 620
Seconds

Seconds
1-3/C 240
CT Ratio 2000:1
3 IEC Normal Inverse 3

Pickup = 0.09
Time Dial = 0.2 UNIT AUX TF 1
2000 kVA
1 1

.5 .5 R

Relay - SBEF Unit Aux TF

.3 .3

Relay - Unit Aux TF - G

.1 OC1 .1

ABB
REF 620
.05 .05
CT Ratio 200:1
IEC Normal Inverse
Relay - Unit Aux TF - G - LG
.03 Pickup = 0.09 .03
Relay - UB I/C - G - LG
Time Dial = 0.1

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 26-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay c
 PATH 04 - EARTH FAULT GRAPH 2

Amps X 10 UNIT ESB 1 (Nom. kV=0.4, Plot Ref. kV=0.415)

.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

Relay - SBEF Unit Aux TF - G

500 500
OC1
ABB
300 300
RET 620
CT Ratio 3000:5 UNIT AUX TF 1
IEC Normal Inverse 2000 kVA
Pickup = 0.1
100
Time Dial = 0.7 100
Relay - SBEF Unit Aux TF
±

50 50

30 30
Relay - Unit Aux I/C - G
OC1 BusDuct25
ABB
3000 A
REF 615
10 10
CT Ratio 3000:5
Group 1 Relay - Unit Aux I/C
IEC Normal Inverse ±
Relay - Unit Aux Tie
5
Pickup = 0.1
5 Relay - UESB Tie

Seconds
Seconds

Relay - GT ESS MCC - G R ±

Time Dial = 0.6

3 OC1 3 R R
ABB CB702 ±

REF 615 CB700

CT Ratio 1500:5 UNIT AUX BOARD 1 CB701 UNIT ESB 1
Group 1
1 IEC Definite Time 1

Pickup = 0.1
Time Dial = 0.4
CB696
.5 .5

.3 .3
Relay - UESB Tie - G Relay - Unit Aux Tie - G ±
Relay - GT ESS MCC
OC1 OC1
R
ABB ABB
REF 615 REF 615
.1 CT Ratio 2000:5 .1
CT Ratio 2000:5
Group 1 Group 1
IEC Normal Inverse IEC Normal Inverse
.05
Pickup = 0.1 Pickup = 0.1 .05

Time Dial = 0.5 Time Dial Relay

= 0.5- Unit Aux Tie - G - LG
.03 Relay - Unit Aux I/C - G - LG .03
Relay - GT ESS MCC - G - LG
Relay - UESB Tie - G - LG

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 10 UNIT ESB 1 (Nom. kV=0.4, Plot Ref. kV=0.415) ETAP Star 22.5.0C

Project: Date: 26-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay c
 Amps X 100 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6)
PATH 05 - OVER CURRENT GRAPH
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500

300 300
Cable - 3
9-1/C 630
Relay - UB I/C - P ±

R
OC1
Relay - UB I/C
100 ABB 100
REF 620
CT Ratio 2000:1 CB241
50 IEC Normal Inverse 50 6.6kV Unit Board 1
Pickup = 0.9
30 Time Dial = 0.35 30
Inst = 12.5
Time Delay = 0.4 s CB262 Relay - FUEL GAS COMP A
±

10 10
Relay - FUEL GAS COMP A - P
ABB
REM 620 Cable95
5 5

Seconds
Seconds

1-3/C 300
CT Ratio 500:1
3
IEC Normal Inverse 3
Pickup = 0.93
Time Dial = 0.65
Inst = 8.5
Time Delay = 0.1 s
1 1

Fuel Gas Comp - A

.5 .5 4410 kW
Fuel Gas Comp - A-100%
.3 4410 KW .3

.1 .1

.05 .05

.03 .03
Relay - UB I/C - 3P

Relay - FUEL GAS COMP A - 3P

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 100 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 18-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Phase
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 Amps 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) PATH 05 - EARTH FAULT GRAPH
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500

300 300
Cable - 3
9-1/C 630
±

Relay - UB I/C
100 100

CB241
50 50 6.6kV Unit Board 1

Relay - UB I/C - G
30 30
OC1
ABB CB262
Relay - FUEL GAS COMP A
REF 620 ±

CT Ratio 2000:1 R

10 IEC Normal Inverse 10

Pickup = 0.09
Time Dial = 0.2
Cable95
5 5
Seconds

Seconds
1-3/C 300

3 3

1 1

Fuel Gas Comp - A

.5 .5 4410 kW

.3 .3
Relay - FUEL GAS COMP A - G
ABB
REM 620
CT Ratio 500:1
.1 IEC Normal Inverse .1
Pickup = 0.09
Time Dial = 0.1
.05 .05

.03 .03
Relay - UB I/C - G - LG

Relay - FUEL GAS COMP A - G - LG

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 18-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 Amps X 100 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6)
PATH 06 - OVER CURRENT GRAPH
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500
Relay - EXC TF - P
300
OC1 300
ABB
REF 620
Cable - 3
CT Ratio 300:1
9-1/C 630
IEC Normal Inverse
100 Pickup = 0.92 100
±

Time Dial = 0.1

R
Inst = 16
Relay - UB I/C
50 Time Delay = 0.1 s 50

30 30 CB241
6.6kV Unit Board 1

10 10 CB277
Relay - UB I/C - P Relay - EXC TF
±

OC1 R
5 5
ABB

Seconds
Seconds

Cable103
REF 620 1-3/C 185
3 CT Ratio 2000:1 3
IEC Normal Inverse
EXCITATION TF 1
Pickup = 0.9
3100 kVA
Time Dial = 0.35
Inst = 12.5
1 Time Delay = 0.4 s 1

.5 .5

.3 .3

Excitation Load 1
2100 kVA

.1 .1

EXCITATION TF 1
.05 .05
Inrush
Multiplier = 8 xFLA
.03 .03
(18356.78 Amps @ 0.78 kV) Relay - UB I/C - 3P
Duration = 6 Cycles
Relay - EXC TF - 3P

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 100 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 18-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Phase
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 Amps 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) PATH 06 - EARTH FAULT GRAPH
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500

300 300

Cable - 3
9-1/C 630

100 100
±

Relay - UB I/C
50 50

30 30 CB241
6.6kV Unit Board 1
Relay - UB I/C - G
OC1
ABB
10 REF 620 10 CB277
Relay - EXC TF
CT Ratio 2000:1 ±

IEC Normal Inverse R

5 Pickup = 0.09 5
Seconds

Seconds
Cable103
Time Dial = 0.2 1-3/C 185
3 3

EXCITATION TF 1
3100 kVA

1 1

.5 .5

.3 .3

Excitation Load 1
Relay - EXC TF - G 2100 kVA
OC1
ABB
.1 .1
REF 620
CT Ratio 300:1
IEC Normal Inverse
.05 .05
Pickup = 0.09
Time Dial = 0.1
.03 Relay - EXC TF - G - LG .03
Relay - UB I/C - G - LG

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 18-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 PATH 07 - OVER CURRENT GRAPH
Amps X 10 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6)
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

Relay - UB I/C - P
500 OC1 500
ABB
300 REF 620 300 Cable - 3
CT Ratio 2000:1
IEC Normal Inverse
9-1/C 630
Pickup = 0.9 ±

Time Dial = 0.35 R

100 Inst = 12.5 100
Relay - UB I/C
Time Delay = 0.4 s

50 Relay - OIL PUMP - P 50

ABB CB241
30 REM 620 30 6.6kV Unit Board 1
CT Ratio 50:1
IEC Normal Inverse
Pickup = 0.94
Time Dial = 0.55
10 Inst = 8.5 10 CB1006
Time Delay = 0.1 s
± Relay - OIL PUMP
5 5 R
Seconds

Seconds
3 3

Cable150
1-3/C 185

1 1

GT - 1 OIL PUMP A-100%

.5 .5

.3 .3

GT - 1 OIL PUMP A
.1 .1
420 kW

.05 .05

Relay - UB I/C - 3P
.03 .03
Relay - OIL PUMP - 3P

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 10 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 18-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Phase
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 Amps 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) PATH 07 - EARTH FAULT GRAPH
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500

300 300

Cable - 3
9-1/C 630
±

100 Relay - UB I/C - G 100 R

OC1 Relay - UB I/C
ABB
50 REF 620 50

CT Ratio 2000:1
30 IEC Normal Inverse 30 CB241
Pickup = 0.09 6.6kV Unit Board 1
Time Dial = 0.2

10 10

CB1006

5 5
± Relay - OIL PUMP
Seconds

Seconds
R

3 3

Cable150
1-3/C 185
1 1

.5 .5

.3 .3

.1 .1 GT - 1 OIL PUMP A
Relay - OIL PUMP - G
420 kW
ABB
.05 REM 620 .05
CT Ratio 50:1
IEC Normal Inverse
.03 Relay - OIL PUMP - G - LG .03
Pickup = 0.09
Relay - UB I/C - G - LG
Time Dial = 0.1

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 18-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 PATH 08 - OVER CURRENT GRAPH
Amps X 10 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6)
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500

300 300 Cable - 3

9-1/C 630
±

100 GT-1 INJECTION PUMP A-100% 100 Relay - UB I/C

50 50
CB241

Relay - INJECTION PUMP - P 6.6kV Unit Board 1

30 Relay - UB I/C - P 30
ABB OC1
REM 620 ABB
CT Ratio 50:1 REF 620
IEC Normal Inverse CT Ratio 2000:1 CB1005
10 Pickup = 0.52 10
IEC Normal Inverse ±
Relay - INJECTION PUMP
Time Dial = 0.55 Pickup = 0.9
Inst = 8.5 R
5
Time Dial = 0.35 5
Time Delay = 0.1 s
Seconds

Seconds
Inst = 12.5 Cable149
Time Delay = 0.4 s
3 3 1-3/C 185

1 1

.5 .5
GT-1 INJECTION PUMP A

.3 .3
230 kW

.1 .1

.05 .05

.03 Relay - UB I/C - 3P .03

Relay - INJECTION PUMP - 3P

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 10 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 18-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Phase
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 Amps 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) PATH 08 - EARTH FAULT GRAPH
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500

300 300 Cable - 3

9-1/C 630
±

100 100 Relay - UB I/C

50
Relay - UB I/C - G 50
OC1 CB241

30 ABB 30
6.6kV Unit Board 1
REF 620
CT Ratio 2000:1
IEC Normal Inverse
Pickup = 0.09
CB1005
10 Time Dial = 0.2 10
±
Relay - INJECTION PUMP

R
5 5
Seconds

Seconds
Cable149
3 3 1-3/C 185

1 1

.5 .5
GT-1 INJECTION PUMP A

.3 .3
230 kW

.1 .1

Relay - INJECTION PUMP - G

ABB
.05 .05
REM 620
Relay - INJECTION PUMP - G - LG
CT Ratio 50:1
.03 IEC Normal Inverse .03
Relay - UB I/C - G - LG
Pickup = 0.05
Time Dial = 0.1

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps 6.6kV Unit Board 1 (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 18-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 PATH 09 - OVER CURRENT GRAPH
Amps X 10 6.6kV Station Board A (Nom. kV=6.6, Plot Ref. kV=6.6)
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K Relay - SB TIE
±

500 500 CB248

6.6kV Station Board A

300 300
Relay - WTP Aux TF1 - P Relay - SB TIE - P CB273
Relay - WTP Aux TF1
OC1 OC1
±

ABB ABB Cable113

REF 620 REF 620 1-3/C 185
100 CT Ratio 100:1 CT Ratio 2000:1 100
WTP AUX TF A
IEC Normal Inverse IEC Normal Inverse
1000 kVA
Pickup = 1 Pickup = 0.85
50 Time Dial = 0.76 Time Dial = 0.3 50 ±

R
Inst = 12 Inst = 7.5 Relay - SBEF WTP AUX TF
30 Time Delay = 0.2 s Time Delay = 0.3 s 30

CB301
ABB Ekip Dip LSI (IEC)
Sensor = 1600 Plug = 1600 Amps BusDuct11
1500 A
10
I1 = 0.95*In (1520 Amps) 10
t1 = 3 t = k/I^2 Relay - WTP AUX I/C
I2 = 2*In (3200 Amps) ±

5
t2 = 0.8s (I^x)t = OUT 5 CB301
Seconds

Seconds
I3 = 9*In (14400 Amps)
CB Override = 66 kA WTP A
3 3

CB342

± Relay - ACMV SUB DB

I>
1 1

Relay - WTP AUX I/C - P

OC1
.5 .5
ABB
CB1122
RET 620 ACMV SUB DB
.3 .3
CT Ratio 1500:5
IEC Normal Inverse ∆ 0.1 s CB1123
Pickup = 0.94 ±
Relay - ELR DB

Time Dial = 0.06 ∆ 0.1 s I>

.1
Inst = 6 .1
Time Delay = 0.1 s
CB1124
WTP AUX TF A
.05 .05
Inrush DB

Multiplier = 8 xFLA Relay - WTP Aux TF1 - 3P

CB1125
.03 .03
(11129.64 Amps @ 0.415 kV)
Duration = 6 Cycles
Relay - WTP AUX I/C - 3P Relay - SB TIE - 3P

ACMV LOAD
.01 .01
26.47 kVA
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 10 6.6kV Station Board A (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 26-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Phase
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 Amps 6.6kV Station Board A (Nom. kV=6.6, Plot Ref. kV=6.6) PATH 09 - EARTH FAULT GRAPH 1
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500

Relay - SB TIE
300 300 ±

CB248
6.6kV Station Board A

100 100 ±
CB273

Relay - WTP Aux TF1

Cable113
50 50 1-3/C 185

30 30 WTP AUX TF A
1000 kVA

Relay - SBEF WTP AUX TF

10 Relay - SB TIE - G 10

OC1
ABB
5 5
REF 620
Seconds

Seconds
CT Ratio 2000:1
3 IEC Normal Inverse 3
Pickup = 0.09
Time Dial = 0.1

1 1

.5 .5

.3 .3

Relay - WTP Aux TF1 - G

OC1
.1 .1
ABB
REF 620
.05 CT Ratio 100:1 .05
IEC Normal Inverse
Pickup = 0.09 Relay - WTP Aux TF1 - G - LG
.03 .03
Time Dial = 0.1 Relay - SB TIE - G - LG

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps 6.6kV Station Board A (Nom. kV=6.6, Plot Ref. kV=6.6) ETAP Star 22.5.0C

Project: Date: 26-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 Amps ACMV SUB DB (Nom. kV=0.4, Plot Ref. kV=0.4) PATH 09 - EARTH FAULT GRAPH 2
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

Relay - SBEF WTP AUX TF - G

500 500
OC1
ABB
300 300
RET 620
CT Ratio 1500:5 WTP AUX TF A
IEC Normal Inverse 1000 kVA
Pickup = 0.1
Relay - SBEF WTP AUX TF
100
Time Dial = 0.7 100
±

BusDuct11
Relay - WTP AUX I/C - G 1500 A
50 50
OC1
ABB ±

30 30 R
RET 620 Relay - WTP AUX I/C
CT Ratio 1500:5 CB301

IEC Normal Inverse WTP A

Pickup = 0.1
10 Time Dial = 0.6 10 CB342

I>

5 Relay - ACMV SUB DB - G 5 Relay - ACMV SUB DB

Seconds
Seconds

OC1
3 MH 3
EL 10
ZCT CB1122
ACMV SUB DB
Definite Time
Pickup = 10
CB1123
1 Time Dial = 0.5 1
±

I>

Relay - ELR DB
.5 .5

CB1124
.3 .3
DB

CB1125

Relay - ELR DB - G
.1 OC1 .1

MH
EL 10
.05 ZCT .05

Definite Time ACMV LOAD

.03 Pickup = 2 .03 26.47 kVA

Time Dial = 0.2

Relay - ACMV
RelaySUB
- ELR
DBDB
-G-G
- LG
- LG

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps ACMV SUB DB (Nom. kV=0.4, Plot Ref. kV=0.4) ETAP Star 22.5.0C

Project: Date: 26-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay c
 PATH 10 - OVER CURRENT GRAPH
Amps X 1000 UNIT AUX BOARD 1 (Nom. kV=0.4, Plot Ref. kV=0.4)
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500
Relay - Unit Aux I/C
CB702 ±

300 300 R
ABB Ekip Dip LSI (IEC)
Sensor = 3200 Plug = 3200 Amps
CB702
I1 = 0.95*In (3040 Amps)
UNIT AUX BOARD 1
t1 = 72 t = k/I^2
I3 = 15*In (48000 Amps)
100 100

CB655
CB655 Relay - GT NOR MCC
50 50 ±

ABB Ekip Dip LSI (IEC)

R
Sensor = 1600 Plug = 1600 Amps
30 30
I1 = 1*In (1600 Amps)
t1 = 72 t = k/I^2
I3 = 15*In (24000 Amps)
CB Override = 66 kA
10 Relay - Unit Aux I/C - P 10 CB695
OC1
GT NORMAL MCC (UNIT1)
ABB
5 5
Seconds

Seconds
REF 615
CT Ratio 3000:5
3 3
Group 1 CB1128
IEC Extremely Inverse
Pickup = 0.94 Relay - ELR GT NORMAL DP
±

Time Dial = 6
R
Inst = 15
1 1
Time Delay = 0.15 s
Relay - GT NOR MCC - P
.5 OC1 .5 CB1127
ABB
GT NORMAL DP
.3
REF 615 .3
CT Ratio 1500:5
Group 1
IEC Extremely Inverse CB1126
Pickup = 1
Relay - ELR 1
.1 Time Dial = 0.8 .1 ±

Inst = 12 ∆ 0.1 s R
Time Delay = 0.05 s
.05 .05

.03 .03

Relay
Relay
- GT
- Unit
NORAux
MCC
I/C--3P
3P GT BOLT HEATER REC BOX
30 kVA
.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 1000 UNIT AUX BOARD 1 (Nom. kV=0.4, Plot Ref. kV=0.4) ETAP Star 22.5.0C

Project: Date: 26-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Phase
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay c
 PATH 10 - EARTH FAULT GRAPH

Amps X 0.1 GT NORMAL DP (Nom. kV=0.4, Plot Ref. kV=0.4)

.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500
±

300 300 R

Relay - Unit Aux I/C

CB702

UNIT AUX BOARD 1

100 100

CB655
50 50
±
Relay - GT NOR MCC
R
30 30
Relay - Unit Aux I/C - G
OC1
ABB
REF 615
10 CT Ratio 3000:5 10

Group 1 CB695
IEC Normal Inverse GT NORMAL MCC (UNIT1)
5 Pickup = 0.1 5
Seconds

Seconds
Time Dial = 0.6
3 3
CB1128
Relay - GT NOR MCC - G
OC1 ±
Relay - ELR GT NORMAL DP
ABB R
REF 615
1 CT Ratio 1500:5 1

Group 1
IEC Definite Time
.5 .5 CB1127
Pickup = 0.1
Time Dial = 0.4
GT NORMAL DP
.3 .3

CB1126
Relay - ELR 1
±
.1 .1
R

Relay - ELR GT NORMAL DP - G

.05 Relay - ELR 1 - G .05
MH
MH
EL 03 Relay - ELR GT NORMAL DP - G - LG
.03 EL 03 .03
ZCT
ZCT
IEC Definite Time
IEC Definite Time Relay
Relay
- GT
Relay
- Unit
NOR -Aux
ELR
MCC
I/C
1 -- G
G -- LG
LG GT BOLT HEATER REC BOX
Pickup = 0.5
Pickup = 0.3 30 kVA
Time Dial = 0.2
Time Dial = 0.1
.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 0.1 GT NORMAL DP (Nom. kV=0.4, Plot Ref. kV=0.4) ETAP Star 22.5.0C

Project: Date: 26-04-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 PATH 11 - OVER CURRENT GRAPH

Amps X 10 UNIT ESB 1 (Nom. kV=0.4, Plot Ref. kV=0.415)

.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500
CB656 UNIT ESB 1
Relay - GT ESS MCC - P
Terasaki
300 OC1 300
AGR-21BL
Sensor = 1250A Plug = 1250 Amps ABB
LT Pickup = 1.0 (1250 Amps) REF 615
LT Band = 10 CT Ratio 1500:5
CB696
ST Pickup = 8 (10000 Amps) Group 1
100 IEC Extremely Inverse 100
ST Band = 0.4
Pickup = 1 Relay - GT ESS MCC
Inst. Pickup = 16 (20000 Amps) ±

Time Dial = 5
R
50 Inst = 17 50
Time Delay = 0.05 s
30 30
CB675
Terasaki
AGR-21BL
Sensor = 1250A Plug = 1250 Amps
10 LT Pickup = 0.8 (1000 Amps) 10

LT Band = 10
ST Pickup = 4 (5000 Amps)
5 ST Band = 0.2 5
Seconds

Seconds
Inst. Pickup = 10 (12500 Amps)
3 3

CB1130
Terasaki
1 S225-GF 1
Size = 225 Amps
CB675
Thermal Trip = 100% (225 Amps) CB656
.5 Magnetic Trip = 13X (2925 Amps) .5
GT NORMAL MCC (UNIT1) GT ESSENTIAL MCC (UNIT1)
.3 .3
GT MAIN LUBE OIL PUMP (A)-100%
75 KW

CB1130
.1 .1
Relay - ELR GT NORMAL DP1
±

.05 .05 R

.03 .03
CB1130 - 3P
Relay - GT ESS MCC - 3P
CB656CB675
- 3P - 3

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 10 UNIT ESB 1 (Nom. kV=0.4, Plot Ref. kV=0.415) ETAP Star 21.0.2C
GT MAIN LUBE OIL PUMP (A)
75 kW

Project: Date: 03-05-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Phase
Filename: G:\JML - EMA Meranti\Design stage\my job\21.Power system study\Load Flow stu
 PATH 11 - EARTH FAULT GRAPH

Amps X 0.1 UNIT ESB 1 (Nom. kV=0.4, Plot Ref. kV=0.415)

.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K

500 500
UNIT ESB 1

300 300

CB696
100 100

± Relay - GT ESS MCC

R
50 50

30 30

10 10
Relay - GT ESS MCC - G
OC1
5 ABB 5
Seconds

Seconds
REF 615
CT Ratio 1500:5
3 3
Group 1
IEC Definite Time
Pickup = 0.1
Time Dial = 0.4
1 1
CB675
CB656
.5 .5
GT NORMAL MCC (UNIT1) GT ESSENTIAL MCC (UNIT1)
.3 .3

CB1130
.1 Relay - ELR GT NORMAL DP1 - G .1
MH Relay - ELR GT NORMAL DP1
EL 03 ±

.05 ZCT .05 R

IEC Definite Time Relay - GT ESS MCC - G - LG
.03 Pickup = 0.5 Relay - ELR GT NORMAL DP1 - G - LG .03
Time Dial = 0.2

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 0.1 UNIT ESB 1 (Nom. kV=0.4, Plot Ref. kV=0.415) ETAP Star 22.5.0C
GT MAIN LUBE OIL PUMP (A)
75 kW

Project: Date: 03-05-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay co
 PATH 12 - OVER CURRENT GRAPH
Amps X 100 UNIT ESB 1 (Nom. kV=0.4, Plot Ref. kV=0.415)
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K
1K 1K
Relay - UESB I/C - P
OC1 2 MW
500 ABB 500 EMERGENCY DIESEL GEN 1
REF 615
CT Ratio 2000:5
300 Group 1 300
IEC Extremely Inverse
CB656 Pickup = 1
CB1131
Time Dial = 2.8
Terasaki AGR-L
Inst = 16
Sensor = 1250 Plug = 1250 Amps
Time Delay = 0.15 s
100 LT Pickup = 1.0 (1250 Amps) 100
LT Band = 10
ST Pickup = 8 (10000 Amps) Cable158
ST Band = 0.4 (I^x)t = OUT 16-4/C 300
50 Inst. Pickup = 16 (20000 Amps) 50

30 30

±
Relay - EDG 1
R
CB868
Relay - EDG 1 - P STATION ESB A
10 10
OC1
ABB
REG 630
5 5 CB514
CT Ratio 4000:5
Seconds

Seconds
EMERGENCY DIESEL GEN 1 Group 1
3 IEC Extremely Inverse 3
Stator Damage Curve
Pickup = 1 ±

Time Dial = 0.73 R

Inst = 40
Time Delay = 0.3 s Relay - UESB

1 1
CABLE INC UESB 1
Relay - UESB - P 18-1/C 630
OC1 ±

.5
ABB .5
R
REF 615 Relay - UESB I/C
CT Ratio 2000:5 CB654
.3 Group 1 .3 UNIT ESB 1
IEC Extremely Inverse
Pickup = 1
Time Dial = 2.7
Inst = 16
Relay - GT ESS MCC - P Time Delay = 0.15 s CB696
.1 .1
OC1
ABB Relay - GT ESS MCC
REF 615 ±

.05 CT Ratio 1500:5 .05 R

Group 1
IEC Extremely Inverse
.03 .03
Pickup = 1 CB656
Time Dial = 4.7
Inst = 17 CB696 Relay
CB656 -Relay
3P --UESB
EDG
UESB
GT ESS
1I/C
- 3P
MCC
- 3P - 3P GT ESSENTIAL MCC (UNIT1)
Time Delay = 0.05 s

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 100 UNIT ESB 1 (Nom. kV=0.4, Plot Ref. kV=0.415) ETAP Star 22.5.0C

Project: Date: 18-10-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Phase
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay coordination study\
 .5 1 3
Amps X 100 STATION ESB A (Nom. kV=0.4, Plot Ref. kV=0.415)
5 10 30 50 100 300
PATH 12 - EARTH FAULT GRAPH
500 1K 3K 5K 10K
1K 1K

500 500

300 300

2 MW
EMERGENCY DIESEL GEN 1
100 100

50 50 CB1131

30 30
Relay - EDG 1 - G
OC1 Cable158
ABB 16-4/C 300
REG 630
10 CT Ratio 4000:5 10
Group 1
IEC Definite Time
Pickup = 0.1
5 Time Dial = 0.8 5 ±
Seconds

Seconds
R

3 3 CB868
Relay - EDG 1
STATION ESB A

1 1 CB514

∆ 0.2 s
.5 .5 ±

R
.3 .3
Relay - UESB
Relay - UESB - G
OC1
ABB
.1 REF 615 .1
CT Ratio 2000:5
Group 1
IEC Definite Time
.05 Pickup = 0.1 .05
Time Dial = 0.6
.03 .03

Relay - UESB - G - LG
Relay - EDG 1 - G - LG

.01 .01
.5 1 3 5 10 30 50 100 300 500 1K 3K 5K 10K

Amps X 100 STATION ESB A (Nom. kV=0.4, Plot Ref. kV=0.415) ETAP Star 22.5.0C

Project: Date: 18-10-2024

Location: SN: YHWLLPSIN
Contract: Rev: Base
Engineer: Fault: Ground
Filename: G:\JML - EMA Meranti\Design stage\MY JOB\15. Power system study\3. Relay coordination study\E