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
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