4. The simplest way to reverse the rotation direction of a three phase AC motor is Use stator CEMF Put any two of the stator power phases in parallel Put any two of the stator power phases in series Reverse the electrical connections of any two of the stator phases

4. The simplest way to reverse the rotation direction of a three phase AC motor is Use stator CEMF Put any two of the stator power phases in parallel Put any two of the stator power phases in series Reverse the electrical connections of any two of the stator phases

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.

Question

4. The simplest way to reverse the rotation direction
of a three phase AC motor is
Use stator CEMF
Put any two of the stator power phases in
parallel
Put any two of the stator power phases in
series
Reverse the electrical connections of any two
of the stator phases

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