The shaft power of a shunt motor is 7.8hp. It draws 50A from 120 V. The field winding draws 1.2 Amp. What is the efficiency of the motor?
The shaft power of a shunt motor is 7.8hp. It draws 50A from 120 V. The field winding draws 1.2 Amp. What is the efficiency of the motor?
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter8: Basic Electric Motors
Section: Chapter Questions
Problem 2RQ
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The shaft power of a shunt motor is 7.8hp. It draws 50A from 120 V. The field winding draws
1.2 Amp. What is the efficiency of the motor?
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