Answer / k.prakashchandra

Probably ,inter -turn short in one phase of the primary if
delta/star .Conduct magnetic balance test (low voltage
excitation test) to ascertain.

IN WHICH MODE THE TRANSFORMER WILL GET A MAXIMUM OUT PUT VOLTAGE. ASKED FOR POWER GRID EXAMINATION STAT-STAR,STAR-DELTA,DELTA-STAR,DELTA-DELTA

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why using 3 phase

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