Calculate the percent efficiency under rated conditions

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Reference no: EM131201283

An automotive alternator is rated 500 V-A and 20 V. It delivers its rated V-A at a power factor of 0.85. The resistance per phase is 0.05 Ω, and the field takes 2 A at 12 V. If friction and windage loss is 25 W and core loss is 30 W, calculate the percent efficiency under rated conditions.

Reference no: EM131201283

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