Find the line current, shaft speed, load torque, induced torque and rotor frequency of an induction motor having the following information: A total of six poles 67 hp 440V S of 6% Friction and gale losses of 300 W 600 W core losses Efficiency of 80% Power factor of 0.8

Find the line current, shaft speed, load torque, induced torque and rotor frequency of an induction motor having the following information: A total of six poles 67 hp 440V S of 6% Friction and gale losses of 300 W 600 W core losses Efficiency of 80% Power factor of 0.8

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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Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

Find the line current, shaft speed, load torque,

induced torque and rotor frequency of an induction motor having the following information:

A total of six poles
67 hp
440V
S of 6%
Friction and gale losses of 300 W
600 W core losses
Efficiency of 80%
Power factor of 0.8

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