Siemens SIPROTEC 5 - Page 463

[tileite3-260313-01.tif, 3, en_US]
Figure A-7 Connection to a 3-Wire Current Transformer and Cable Type Current Transformer for Sensitive
Ground-Fault Detection
i
i
NOTE
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
N-sep
)!
[tileite4-260313-01.tif, 3, en_US]
Figure A-8 Connection to a 3-Wire Current Transformer and Measured Ground Current from a Complete
Holmgreen Connection
Appendix
A.4 Connection Examples for Current Transformers
SIPROTEC 5, Fault Recorder, Manual 463
C53000-G5040-C018-5, Edition 11.2017