Siemens SIPROTEC 7SD610 - Voltage Transformer Examples

Appendix
A.3 Connection Examples
SIPROTEC, 7SD610, Manual
C53000-G1176-C145-6, Release date 02.2011
381
A.3.2 Voltage Transformer Examples
Figure A-7 Voltage connections to three wye-connected voltage transformers (normal circuit layout)
Figure A-8 Voltage connections to three wye-connected voltage transformers with additional
broken delta windings (da–dn–winding)