Siemens SIPROTEC 5 Manual page 463

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Figure A-7
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
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Figure A-8
SIPROTEC 5, Fault Recorder, Manual
C53000-G5040-C018-5, Edition 11.2017
Connection to a 3-Wire Current Transformer and Cable Type Current Transformer for Sensitive
Ground-Fault Detection
)!
N-sep
Connection to a 3-Wire Current Transformer and Measured Ground Current from a Complete
Holmgreen Connection
A.4 Connection Examples for Current Transformers
Appendix
463