Q 1. (a) A 180 watts, 110 V, 60 Hz, 4-pole, 1-phase induction motor has the following constants: Ri-2.02 Ω, Χ- 2.79 Ω, R4.12 Ω, Χ -2.12 Ω, XM 66.8 Ω, core loss-24 watts, friction and windage loss= 13 watts for a slip Of 0.05 per unit, determine the stator current, power factor, power output, speed, torque and efficiency, when the motor is running at rated voltage and frequency. (b) How double field is produced in single phase induction motor? Draw the torque-speed characteristics.

Q 1. (a) A 180 watts, 110 V, 60 Hz, 4-pole, 1-phase induction motor has the following constants: Ri-2.02 Ω, Χ- 2.79 Ω, R4.12 Ω, Χ -2.12 Ω, XM 66.8 Ω, core loss-24 watts, friction and windage loss= 13 watts for a slip Of 0.05 per unit, determine the stator current, power factor, power output, speed, torque and efficiency, when the motor is running at rated voltage and frequency. (b) How double field is produced in single phase induction motor? Draw the torque-speed characteristics.

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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