A short, combined DC generator rotating at 1000 rpm, feeding a 45 kW load at 240 V supplies a product winding resistance of 0.05 ohms, a series winding resistance 0.02 ohms, and a parallel winding resistance of 65 ohms. Calculate the efficiency of the generator, given that the ferrous and mechanical losses are 3,500 watts

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A short, combined DC generator rotating at
1000 rpm, feeding a 45 kW load at 240 V
supplies a product winding resistance of 0.05
ohms, a series winding resistance 0.02 ohms,
and a parallel winding resistance of 65 ohms.
Calculate the efficiency of the generator, given
that the ferrous and mechanical losses are
3,500 watts
yo 9:49 /
Transcribed Image Text:A short, combined DC generator rotating at 1000 rpm, feeding a 45 kW load at 240 V supplies a product winding resistance of 0.05 ohms, a series winding resistance 0.02 ohms, and a parallel winding resistance of 65 ohms. Calculate the efficiency of the generator, given that the ferrous and mechanical losses are 3,500 watts yo 9:49 /
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