A 4 pole, single phase, induction motor is operating from a 230 V, 50 Hz ac source. The parameters of the machine are: R = 70 R = 102 %3D X1 = X = 150 %3D Xm = 2502 %3D R = 1kN Core loss at rated voltage = 35 Watts Friction and windage loss = 10 Watts For a slip of 5% determine the following when the machine is operating at rated voltage. (a) The stator current and power factor. (b) The developed power, shaft output power, speed, torque and efficiency.

A 4 pole, single phase, induction motor is operating from a 230 V, 50 Hz ac source. The parameters of the machine are: R = 70 R = 102 %3D X1 = X = 150 %3D Xm = 2502 %3D R = 1kN Core loss at rated voltage = 35 Watts Friction and windage loss = 10 Watts For a slip of 5% determine the following when the machine is operating at rated voltage. (a) The stator current and power factor. (b) The developed power, shaft output power, speed, torque and efficiency.

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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