A 3-phase induction motor has a 4-pole star-connected stator winding. The motor runs on a 50 Hz supply with 390 V between lines. The rotor resistance and standstill reactance per phase are 0.09 Ohm and 0.53 Ohm respectively. The ratio of the rotor to stator turns is 0.89. Calculate the torque, in Newton-meters, at 5% slip. Correct Answer: 392.11

A 3-phase induction motor has a 4-pole star-connected stator winding. The motor runs on a 50 Hz supply with 390 V between lines. The rotor resistance and standstill reactance per phase are 0.09 Ohm and 0.53 Ohm respectively. The ratio of the rotor to stator turns is 0.89. Calculate the torque, in Newton-meters, at 5% slip. Correct Answer: 392.11

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 13RQ: A squirrel-cage induction motor is operating at 1175 RPM and producing a torque of 22 Ib-ft. What is...

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