Question: A 1 0 0 0 / 2 0 0 - V , 2 5 - kVA, 5 0 - Hz transformer is connected as an

A 1000/200-V,25-kVA, 50-Hz transformer is connected as an autotransformer to yield a transformation ratio of 1000/1200. Calculate its kVA rating. Calculate also the currents in the two windings when the autotransformer is fully loaded.
[Ans:150 kVA; 125 A; 25 A]

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