Siemens siprotec SJ62 User Manual page 602

SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015
Figure A-59 7SJ62: Current connections to three current transformers and a core balance
neutral current transformer for ground current – preferred for effectively or low-
resistance grounded networks
Figure A-60 7SJ62: Current connections to two current transformers and core balance
neutral current transformer for sensitive ground fault detection - only for un-
grounded or compensated networks
A.3 Connection Examples
600