Q2// A double-cage of a 3-phase, 60-Hz, 4-pole induction motor, the impedance of outer and inner cages at standstill are: Outer cage Z= (0.2+j) Inner cage 7;' = (0.0 2+j2) 92 1- Calculate the torque per phase in synch. watts at 4% slip and the rotor input phase voltage is 45 V. 2- What slip will the torque contributed by the two cages be equal?

Q2// A double-cage of a 3-phase, 60-Hz, 4-pole induction motor, the impedance of outer and inner cages at standstill are: Outer cage Z= (0.2+j) Inner cage 7;' = (0.0 2+j2) 92 1- Calculate the torque per phase in synch. watts at 4% slip and the rotor input phase voltage is 45 V. 2- What slip will the torque contributed by the two cages be equal?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter35: Harmonics 916

Section: Chapter Questions

Problem 3RQ: Would a positive-rotating harmonic or a negative-rotating harmonic be more harmful to an induction...

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