1) A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of rotor current will be....... 2) A three-phase, 5

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1 A 3 Phase 440 V 50 Hz Induction Motor Has 4 Slip The Frequency Of Rotor Current Will Be 2 A Three Phase 5 1 (43.48 KiB) Viewed 29 times

1) A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of rotor current will be....... 2) A three-phase, 50 Hz induction motor has a full load speed of 1440 rpm. The full load slip will be........ 3) The condition for maximum starting torque in 3-phase Induction motor is.......... 4) Rotor resistance speed control method is not applicable in............. 5) For starting of an induction motor, star/delta starting can be considered equivalent to an autotransformer starter with the ratio of............. The rotor power output of a 3-phase induction motor is 30 KW and corresponding slip is 4%. The rotor copper loss will be........ 7) If the applied rated voltage per phase is reduced to one-half, then the starting torque of squirrel cage induction motor becomes...... 8) If there are no copper losses in the rotor, then Rotor will run at.. (8 Mark), [LO 1,2,3,4]