Appendix
A.3 Connection Examples
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
558
Figure A-12 Asynchronous Motor
Connection to three voltage transformers (phase-to-earth voltages, usually from the busbar);
Displacement voltage detection at broken delta winding, and three current transformers on each side;
Earth fault direction detection using toroidal CT(s)
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