A 500 kVA transformer has a full load copper loss of 4 kW and an iron loss of 2.5 kW. Determine (a) the output kVA

Question

A 500 kVA transformer has a full load copper loss of 4 kW and an iron loss of 2.5 kW. Determine (a) the output kVA

at which the efficiency of the transformer is a maximum, and (b) the maximum efficiency, assuming the power factor

of the load is 0.75.

Answer 1

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Answer 2

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