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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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
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