Current Transformer Configuration - Siemens ISGS Operator's Manual

1
2
3
52
Three Phase Current with Residual Ground Sensing
1
2
3
52
Three Phase Current with Zero Sequence CT
1
2
3
ISGS
N
1
3 4
2
5 6
3
7
8
N
10 9
Three Phase Current with Direct Neutral Sensing
1
2
3
ISGS
G
1
3 4
2
5 6
3
7 8
N
10 9
Three Phase Current with Direct Ground Sensing
52 = Power Circuit Breaker
= ISGS Internal CT
ISGS
3
5
7
10
52
ISGS
3
5
7
10
52
1
4
2
6
3
8
N
9
1
4
2
6
3
8
N
9