Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Textbook Question
Chapter 3, Problem 22SQ
Select the best answer for each of the following.
The purpose of a shading coil on an AC electromagnetic pole tip is to
a. prevent overheating of the coil.
b. limit the tripping current.
c. limit the closing current.
d. prevent chattering.
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