0-4:-A three phase induction motor has 4-pole runs at 1440 rpm on 500 V, 50 Hz. The mechanical power developed by the rotor is 20.3 hp. The mechanical losses are 2.23 hp. Determine (a) the slip (b) the rotor copper losses, and (c) the efficiency.
0-4:-A three phase induction motor has 4-pole runs at 1440 rpm on 500 V, 50 Hz. The mechanical power developed by the rotor is 20.3 hp. The mechanical losses are 2.23 hp. Determine (a) the slip (b) the rotor copper losses, and (c) the efficiency.
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Transcribed Image Text:0-4:-A three phase induction motor has 4-pole runs at 1440 rpm on 500 V, 50 Hz. The
mechanical power developed by the rotor is 20.3 hp. The mechanical losses are 2.23 hp.
Determine (a) the slip (b) the rotor copper losses, and (c) the efficiency.
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