A 3-phase delta-star transformer is supplied at 6,000 V on the ___

A 3-phase delta-star transformer is supplied at 6,000 V on the delta-connected side.

The terminal voltage on the secondary side when supplying full-load at 0.8 lagging power factor is 415 V.

The equivalent resistance and reactance drops for the transformer are 1% and 5% respectively.

The turns rado of the transformer is

A. 14
B. 24
C. 42
D. 20

Show Answer

Answer: B

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