An 8 pole, 50 Hz, 3 phase induction motor is running at 4% slip whendelivering full load torque. It has standstill rotor resistance of 0.1 and reactance of 0.6per phase. Calculate the speed of the motor if an additional resistance of 0.5 2 per phase isinserted in the rotor circuit. Assume full load torque remains constant.

We have an 3-phaes induction motor with, Pole (P) = 8 frequency (f) = 50 Hz Slip (s) = 4% = 0.04…

An 8 pole, 50 Hz, 3 phase induction motor is running at 4% slip when delivering full load torque. It has standstill rotor resistance of 0.1 2 and reactance of 0.6 2 per phase. Calculate the speed of the motor if an additional resistance of 0.5 per phase is inserted in the rotor circuit. Assume full load torque remains constant.

An 8 pole, 50 Hz, 3 phase induction motor is running at 4% slip when delivering full load torque. It has standstill rotor resistance of 0.1 2 and reactance of 0.6 2 per phase. Calculate the speed of the motor if an additional resistance of 0.5 per phase is inserted in the rotor circuit. Assume full load torque remains constant.

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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