If three-phase transformation is needed and a three-phase transformer of the proper size and turns ratio is not available, three single-phase transformers can be connected to form a _____.
A) three-phase bank
B) wye-delta bank
C) wye bank
D) delta bank

Question

Quizplus · Accepted Answer

Three single-phase transformers can be connected to form a three-phase bank when a three-phase transformer of the proper size and turns ratio is not available. This configuration allows for the transformation of power in a three-phase system using single-phase units.

If Three-Phase Transformation Is Needed and a Three-Phase Transformer of the Proper