A three phase 220-V, 60 HZ, four-pole, Y-connected induction motor operating at 3% slip, has the following per phase parameters: R1 = 0.20 Ω , X1 = 0.50 Ω , R2 = 0.15 Ω , X2 = 0.30 Ω .The core effects are negligible. The total rotational and other losses are 1000 W. Determine the following:Draw the equivalent circuit of the above induction motorStator currentPower factorInput powerStator copper lossesAir gap powerRotor copper lossesElectromagnetic torquePower inputEfficiency of the motor

Induction Motor: It is an asynchronous motor. In an induction machine we are providing AC electrical…

Answered: A three phase 220-V, 60 HZ, four-pole,…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

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A three phase 220-V, 60 HZ, four-pole, Y-connected induction motor operating at 3% slip, has the following per phase parameters: R1 = 0.20 Ω , X1 = 0.50 Ω , R2 = 0.15 Ω , X2 = 0.30 Ω .

The core effects are negligible. The total rotational and other losses are 1000 W. Determine the following:

Draw the equivalent circuit of the above induction motor
Stator current
Power factor
Input power
Stator copper losses
Air gap power
Rotor copper losses
Electromagnetic torque
Power input
Efficiency of the motor

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