Siemens SIPROTEC 7SJ62 - Connection Examples; A.3 Connection Examples

Appendix
A-117SJ62 Manual
C53000-G1140-C121-1
A.3 Connection Examples
Figure A-6 Current connections to three current transformers with a starpoint connection for
ground current(Grounded-Wye Connection with residual
3I
0
Neutral Current), nor-
mal circuit layout – appropriate for all networks.
Figure A-7 Current connections to two current transformers –- only for ungrounded or com-
pensated networks.
Flush-mounted/Cubicle
Panel Surface Mounted
A B C
3I
0
Ia
Ib
Ic
Q1
Q3
Q5
Q2
Q4
Q6
Q7
Q8
15
14
13
12
30
29
28
27
7SJ62
Flush-mounted/Cubicle
Panel Surface Mounted
A B C
3I
0
Ia
Ib
Ic
Q1
Q3
Q5
Q2
Q4
Q6
Q7
Q8
15
14
13
12
30
29
28
27
7SJ62
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