Siemens siprotec 7SA522 User Manual page 564

Appendix
25
24
23
k
22
l
Line 1
50
49
48
k
47
l
Line 1
Current connections to three current transformers but earth current (residual ,  neutral current) from the
Figure 1-11
star-point connection of a parallel line (for parallel line compensation)
A-16
Panel surface mounted
Flush mounted/cubicle
I
L1
Q1 Q2 50
I
L2
Q3 Q4 49
I
L3
Q5 Q6 48
I
4
Q7 Q8 47
7SA522
Housing size
Panel surface mounted
Flush mounted/cubicle
I
L1
Q1 Q2 100
I
L2
Q3 Q4 99
I
L3
Q5 Q6 98
I
4
Q7 Q8 97
7SA522
Housing size
Panel surface mounted
Flush mounted/cubicle
25 Q1
24 Q3
23 Q5
k
22 Q7
l
Line 2
1
/
2
Panel surface mounted
Flush mounted/cubicle
50 Q1
49 Q3
48 Q5
k
47 Q7
l
Line 2
1
/
1
L1
L2
L3
I
L1
Q2 50
I
L2
Q4 49
I
L3
Q6 48
I
4
Q8 47
7SA522
L1
L2
L3
I
L1
Q2 100
I
L2
Q4 99
I
L3
Q6 98
I
4
Q8 97
7SA522
7SA522 Manual
C53000-G1176-C119-2