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AC SERIES MOTORS
ANSWERS TO QUESTIONS Q1. THROUGH Q13 - 14177_102

Neets Module 05-Introduction to Generators and Motors
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4-17 THREE-PHASE ROTATING FIELDS require three pairs of windings 120º apart, energized by voltages that also have a 120-degree phase displacement. SYNCHRONOUS MOTORS are specifically designed to maintain constant speed, with the rotor synchronous to the rotating field. Synchronous motors require modification (such as squirrel-cage windings) to be self-starting.






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