Frequently asked questions
Can a Three Phase Isolation Transformer with the Standard Delta Primary be Applied on a Wye Configuration Power System?
FA112259
29 June 2022
Issue:
Transformer Power is Often Provided by a Wye Service.
Transformer Power is Often Provided by a Wye Service.
Product Line:
LV Transformers
LV Transformers
Environment:
Applies to Three Phase SquareD/Schneider Electric Transformers
Applies to Three Phase SquareD/Schneider Electric Transformers
Cause:
Most Three Phase Transformers by SquareD/Schneider Electric have Delta Primaries
Most Three Phase Transformers by SquareD/Schneider Electric have Delta Primaries
Resolution:
Yes, a three-phase, delta primary isolation transformer can be used on any three-phase system. Just like a motor, the transformer only needs to have a balanced three-phase voltage applied to its` terminals.