Connection Examples; A.4 Connection Examples - Siemens Siprotec 7UM62 Manual

A Appendix
A.4

Connection Examples

A (L1)
B (L2)
C (L3)
Figure A-26 Bus–Bar Connection
Current and voltage connections to three transformers, core balance neutral current transformers and
broken delta voltage transformers (e–n).
488
ANSI
52
R
L
e
k
l
Excitation voltage
injection
Rotor earth current
injection
Measuring transducer:
-Temperature
injection
- or DC voltage
injection
7UM62
J1
J2
J3
J4
J5
J6
R15
R17
R18
R16
R13
n
R14
Q8
Q7
K17 +
K18
J7
J8
Q1
Q2
Q3
Q4
Q5
Q6
K13 +
K14
K15 +
K16
I
A(L1)S1
I
B(L2)S1
I
C(L3)S1
V
A(L1)
V
B(L2)
V
C(L3)
V
E
I
EE2
TD3
I
EE1
I
A(L1)S2
I
B(L2)S2
I
C(L3)S2
TD1
TD2
7UM62 Manual
C53000-G1176-C149-3