Three-phase AC power can be transformed either by three individual single-phase AC transformers or ___

Three-phase AC power can be transformed either by three individual single-phase AC transformers or by a common iron-core 3-phase AC transformer.

The connection of the individual in-and-out winding leads of the respective primary and secondary circuits must be interconnected in either a _____________ or a _____________ configuration.

A) wye; wye
B) delta; delta
C) wye; delta
D) delta; wye

Show Answer

Answer:C

Share your understanding of this question with the correct explanation.