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Electrical machines miscellaneous

Electrical Machines

  1. The power input to a 415 V, 50 Hz, 6 pole, 3-phase induction motor running at 975 rpm is 40 kW. If startor losses are 1 kW and friction and windage losses total 2 kW, then efficiency of the motor is
    1. 92.5%
    2. 91%
    3. 90%
    4. 88%
Correct Option: A

NA



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