Appendix
A.3 Connection Examples
SIPROTEC, 7SC805, Manual
C53000-G1140-C380-1, Release date 05.2014
131
A.3
Connection Examples
Figure A-2
Current transformer connections to three current transformers and neutral point current
(ground current) (Holmgreen connection) – appropriate for all networks
Figure A-3
Current transformer connections to two current transformers –
only for isolated or resonant-grounded networks