A 400V, 3-phase Induction motor has input power of 12 KW and operates at power factor of 0.87 lagging with an efficiency of 96 %. Calculate the reading on each of the two wattmeter connected to measure the input. W1 W2

A 400V, 3-phase Induction motor has input power of 12 KW and operates at power factor of 0.87 lagging with an efficiency of 96 %. Calculate the reading on each of the two wattmeter connected to measure the input. W1 W2

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 8RQ

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Question

A 400V, 3-phase Induction motor has input power of
12 KW and operates at power factor of 0.87 lagging
with an efficiency of 96 %. Calculate the reading on
each of the two wattmeter connected to measure the
input.
W1
W2

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