Question: 7.10 A single-phase 11 kV: 230 V, 150 kVA transformer has iron loss of 1.4 kW and full-load copper loss of 1.6 kW. Determine

7.10 A single-phase 11 kV: 230 V, 150 kVA transformer has iron

7.10 A single-phase 11 kV: 230 V, 150 kVA transformer has iron loss of 1.4 kW and full-load copper loss of 1.6 kW. Determine a. the kVA load at maximum efficiency and at unity power factor. b. the maximum efficiency with unity power factor load. c. the efficiency at half-load and 0.8 power factor lead.

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