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Electric Motor Control

10th Edition
Herman
Publisher: CENGAGE L
ISBN: 9781133702818

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BuyFindarrow_forward

Electric Motor Control

10th Edition
Herman
Publisher: CENGAGE L
ISBN: 9781133702818
Chapter 31, Problem 9SQ
Textbook Problem
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What is meant by the “compelling action” produced by an accelerating relay?

To determine

Explain about the compelling action which is produced by an accelerating relay.

Explanation of Solution

Standard starters are generally connected to a motor, thus, a motor can start from rest at any speed, or a motor can start running from a lower speed to a higher speed.

In an accelerating relay, the final speed of a motor is determined by the pressed button. A motor is started initially at a lower speed, and attains the selected speed automatically through successive speed steps...

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