Question

In a sumpner’s test on two identical 1- phase transformers rated 500KVA, 11/0.4

kV, 50 HZ, the wattmeter reading on HV side is 6000W and on LV side 15,

000W. Find the efficiency of each transformer on half – load and 0.8 p.f. What

will be its maximum efficiency?​

Answer 1

Explanation:

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