Siemens Siprotec 7UM612 - A.3 Connection Examples; Connection Examples

A.3 Connection Examples
361
7UM61 Manual
C53000-G1176-C127-3
A.3 Connection Examples
A.3.1 Connection Examples
Figure A-5 Busbar connection: Current and voltage connections to three transformers (phase-earth-voltages) and in
each case three current transformers, – earth current from additional summation current transformer for
sensitive earth fault detection; Displacement voltage detection at broken delta winding (e–n).
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