An asynchronous electric motor has a characteristic of 2500 W / 220V / 45Hz / 0.85 pf. Calculate (a) the pure resistance of the electric motor, (b) the power returned to the mains, (c) the power used by the motor to produce the mechanical force, and (d) the total power!

An asynchronous electric motor has a characteristic of 2500 W / 220V / 45Hz / 0.85 pf. Calculate (a) the pure resistance of the electric motor, (b) the power returned to the mains, (c) the power used by the motor to produce the mechanical force, and (d) the total power!

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 3RQ

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