Siemens siprotec 7SJ63 Instruction Manual page 539

7SJ63 Manual
C53000-G1140-C120-1
A B C
A B C
Figure A-40 Current and voltage connections to three current transformers, two voltage trans-
formers (phase-phase) and open delta VT for 3V
Panel Surface Mounted
Flush-mounted/Cubicle
Va-b
21 R14
Vc-b
46 R15
3V
0
19 R17
25 Q1 Ia
24 Q3 Ib
23 Q5 Ic
3I
0
22 Q7
7SJ63
1
Size /
2
Panel Surface Mounted
Flush-mounted/Cubicle
Va-b
46 R14
Vc-b
96 R15
3V
0
44 R17
50 Q1 Ia
49 Q3 Ib
48 Q5 Ic
3I
0
47 Q7
7SJ63
1
Size /
1
, appropriate for all networks.
0
Appendix
A
Busbar
B
C
R16 20
R18 44
Q2 50
Q4 49
Q6 48
Q8 47
A
Busbar
B
C
R16 45
R18 94
Q2 100
Q4 99
Q6 98
Q8 97
A-45