A 6-pole and three-phase induction motor has synchronous speed of 1235 RPM. a)Find the no-load and full-load operating speed of motor for the cases given, 1.) 2.5Hz electrical frequency of rotor for no-load condition. 2.) 6.3Hz electrical frequency of rotor for full-load condition. b) Find the speed regulation of motor by using parameters found above. c) Determine the electrical frequency of rotor under full-load condition so that speed regulation would be equal to 5%? (Electrical frequency of rotor for no-load condition is still 2.5Hz.)

A 6-pole and three-phase induction motor has synchronous speed of 1235 RPM. a)Find the no-load and full-load operating speed of motor for the cases given, 1.) 2.5Hz electrical frequency of rotor for no-load condition. 2.) 6.3Hz electrical frequency of rotor for full-load condition. b) Find the speed regulation of motor by using parameters found above. c) Determine the electrical frequency of rotor under full-load condition so that speed regulation would be equal to 5%? (Electrical frequency of rotor for no-load condition is still 2.5Hz.)

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 6RQ: Name three factors that determine the torque produced by an induction motor.

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