Question

A 100 kVA, 10 kV/500 V, single phase transformer has its maximum efficiency of 98%, when it delivers 90 kVA at upf and rated voltage. The maximum voltage regulation of transformer is 6%. Find :
(i) the efficiency at full load 0.8 pf lead
(ii) the voltage regulation at half load 0.6 p.f. lag.​

Answer 1

Answer:

2 one is your answer

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Explanation:

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