7/25/2019 Case_4.1 Ef (Star Tcc)

1/1

RP-TRANSCO-LVAC_I/C-1 - P

OC1

ABB

REF615

CT Ratio 2000:1

IEC - Normal Inverse

Pickup = 0.65 (0.3 - 5 xCT Sec)

Time Dial = 0.14

3x = 0.882 s, 5x = 0.599 s, 8x = 0.462 s

RP-TRANSCO-LVAC_BS - P

OC1

ABB

REF615

CT Ratio 2000:1

IEC - Normal Inverse

Pickup = 0.65 (0.3 - 5 xCT Sec)

Time Dial = 0.073x = 0.441 s, 5x = 0.3 s, 8x = 0.231 s

RP-AADC-LVAC-O/G-1 - P

OC1

ABB

REF615

CT Ratio 2000:1

IEC - Normal Inverse

Pickup = 0.65 (0.3 - 5 xCT Sec)

Time Dial = 0.13

3x = 0.819 s, 5x = 0.556 s, 8x = 0.429 s

RP-AADC-LVAC_I/C-1 - P

OC1

ABB

REF615

CT Ratio 2700:1IEC - Normal Inverse

Pickup = 0.95 (0.3 - 5 xCT Sec)

Time Dial = 0.2

3x = 1.26 s, 5x = 0.856 s, 8x = 0.659 s

RP-AADC-LVAC-BS - P

OC1

ABB

REF615

CT Ratio 2700:1

IEC - Normal Inverse

Pickup = 0.95 (0.3 - 5 xCT Sec)

Time Dial = 0.15

3x = 0.945 s, 5x = 0.642 s, 8x = 0.495 s

10.5 1 10 100 1K3 5 30 50 300 500 3K 5K

Amps X 1000 LVAC-TRANSCO-BUS_A (Nom. kV=0.415, Plot Ref. kV=0.415)

10.5 1 10 100 1K3 5 30 50 300 500 3K 5K

Amps X 1000 LVAC-TRANSCO-BUS_A (Nom. kV=0.415, Plot Ref. kV=0.415)

1K

.01

.1

1

10

100

.03

.05

.3

.5

3

5

30

50

300

500

Seconds

ETAP Star 12.5.0C

N7733-ZAKHER CASE:4.1 EF

Project: 220/33/11kV Zakher Grid

Location: Zakher Area of Al Ain

Contract: N7733

Engineer: JM

Filename: C:\ETAP 1250\N7733\N7733.OTI

Date: 21-01-2016

SN: LARSENTRN2

Rev: Base

Fault : Phase

Circuit: LVAC