Understanding Motor Controls
4th Edition
ISBN: 9781337798686
Author: Stephen L. Herman
Publisher: Delmar Cengage Learning
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Chapter 34, Problem 4RQ
To determine
Identify the type of AC induction motor used with variable voltage control when reversing the direction is desired.
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Understanding Motor Controls
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- Why can an induction motor never operate at synchronous speed?arrow_forwardWhat type of single-phase motor develops the highest starting torque?arrow_forwardWhen a repulsion-start induction-run motor reaches about 75% of rated full-load speed, it stops operating as a repulsion motor and starts operating as a squirrel-cage motor. What must be done to cause the motor to begin operating as a squirrel-cage motor?arrow_forward
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