Understanding Motor Controls
Understanding Motor Controls
4th Edition
ISBN: 9781337798686
Author: Stephen L. Herman
Publisher: Delmar Cengage Learning
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Chapter 1, Problem 1RQ

When installing a motor control system, list four major factors to consider concerning the power system.

Expert Solution & Answer
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To determine

The four major factors to be considered when installing a motor control in concern with the power system.

Explanation of Solution

The electrical connections that are associated with a motor, machine, and control unit are easy or complex. However, the below-listed factors should be considered while installing a motor and its control.

  • Power source –– Check whether the motor and control unit require a single-phase or three-phase power supply with rated voltage and current.
  • Motor connections –– A motor connection should be made based on the information found on the name plate of a motor. The name plate of a motor contains information such as horsepower, service factor, voltage, and full load current rating.
  • Controller type –– In general, a motor requires simple controller that starts and stops the motor. In addition, a motor may require controllers that vary the speed of the motor at specified time, inching, and jogging.
  • Environment –– The environment should not affect a control unit. The elevated temperature and moisture may affect a control unit.

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