Connection Examples For Current Transformers - Siemens 7SJ82 Manual

Appendix
A.7 Connection Examples for Current Transformers
A.7

Connection Examples for Current Transformers

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Figure A-11
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Figure A-12
NOTE
i
i
The switchover of current polarity at the 3-phase current transformer causes a rotation in the direction of
electric current for current input I4 (I
1594
Connection to a 3-Wire Current Transformer (Residual Current to be Calculated)
Connection to a 3-Wire Current Transformer and Measured Zero-Sequence Current (Current in
Common Return Path)
)!
N
SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017