Siemens ISGS - Current Transformer Configuration

Hardware Configuration
20 Siemens Energy & Automation, Inc.
Figure 4.8 Current Transformer Configuration
52 52
1
2
3
52
52
1
2
3
1
2
3
1
2
3
1
2
3
G
N
Three Phase Current with Residual Ground Sensing
Three Phase Current with Direct Neutral Sensing
Three Phase Current with Zero Sequence CT Three Phase Current with Direct Ground Sensing
52 = Power Circuit Breaker
= ISGS Internal CT
ISGS
3
4
56
7
8
1
2
3
ISGS
3
4
56
7
8
1
2
3
ISGS
3
4
56
7
8
1
2
3
ISGS
3
4
56
78
N
910
N
910
N
910
N
910
4
isv3o_1.bk : isv3ohw.frm Page 20 Wednesday, August 7, 1996 10:51 AM