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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 55, Problem 7SQ
Textbook Problem
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What type of motor should be used with variable-frequency drives that use IGBTs?

To determine

Name the type of motor that should be used with variable-frequency drives that use IGBTs.

Explanation of Solution

Discussion:

The IGBT drives generally cause the excessive voltage spikes. The inverter rated motors are operated with variable frequency drives to reduce the excessive voltage spikes caused by IGBT drives.

The normal motors have fan that is connected to the shaft. As the fan is connected to the shaft of the motor, the fan will not be able to provide sufficient cooling to the motor when the motor’s speed is less...

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