In the electrical power distribution system of a building or other structure, the wye and delta wiring configurations are normally mixed between the primary and secondary load circuits of the 3-phase AC transformer bank(s) in an attempt to attain a degree of both voltage regulation in the __________ configuration and current regulation in the __________ configuration.
A) wye; wye
B) delta; delta
C) wye; delta
D) delta; wye
Show Answer
Answer:C
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