An electric motor controlling a pump draws 3.6 A from a 12 V power supply. Themechanical power output measured using a dynamometer is found to be 30 W.Calculate the efficiency of the motor and suggest what could account for any losses
An electric motor controlling a pump draws 3.6 A from a 12 V power supply. Themechanical power output measured using a dynamometer is found to be 30 W.Calculate the efficiency of the motor and suggest what could account for any losses
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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Question
An electric motor controlling a pump draws 3.6 A from a 12 V power supply. The
mechanical power output measured using a dynamometer is found to be 30 W.
Calculate the efficiency of the motor and suggest what could account for any losses
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