Industrial Motor Control
Industrial Motor Control
7th Edition
ISBN: 9781133691808
Author: Stephen Herman
Publisher: Cengage Learning
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Chapter 46, Problem 1RQ
To determine

The synchronous speed of the six pole motor operated with an applied voltage of 20 hertz.

Expert Solution & Answer
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Explanation of Solution

Consider the formula for the synchronous speed is,

    Ns=120fP

Then, the synchronous speed is calculated as,

    Ns=120206=400rpm

Thus, the synchronous speed is 400rpm.

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