Connection Examples; A.3 Connection Examples - Siemens SIPROTEC 7SK80 Manual

A.3

Connection Examples

Figure A-7
Figure A-8
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A4, Release date 08.2010
Current transformer connections to three current transformers and neutral rpoint current
(ground current) (Holmgreen connection) – appropriate for all networks
Current transformer connections to two current transformers –
only for isolated or resonant-grounded networks
Appendix

A.3 Connection Examples

411