AC Motor Protection

PDHengineer
Training overview
Professional Course
E-learning
3 hours
From 89.90 USD
Start dates
Online
89.90 USD
Start anytime!
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Course description

In AC Motor Protection, you'll learn ...

  • The various motor fault types and their causes
  • The effects of excessive heat on winding insulation
  • Reasons why a motor may fail to speed up after starting
  • Why it is not possible to recognize a stall condition and a healthy start solely on the basis of the taken current

Overview

Credit: 3 PDH

Length: 35 pages

There is a wide range of AC motors since they can be used in numerous applications. AC motors need to be protected, but protection selection usually does not depend on the motor and load type. This selection is based on fundamental AC motor operation processes. There are crucial differences between the protection of induction motors and synchronous motors. Motor operation characteristics have to be particularly considered when applying selected protection. This approach is more important for the motors than for any other power system element.

For example, the starting and stalling currents/times have to be known and taken into account when using overload protection. Also the thermal withstand of the AC motor has to be precisely defined under balanced and unbalanced loading conditions. The conditions for which AC motor protection is needed can be separated into two main groups: imposed external conditions and internal short circuits.

This course is suitable for electrical engineers with a desire to understand the fundamentals of AC motor protection. Presented details cover issues related to protection against external and internal motor faults. Upon successful completion engineers will be able to address AC motor protection terminology and concepts and techniques that are used for overload, single phasing, under-voltages, unbalanced supply and reverse phase sequence faults.

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Who should attend?

Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 20 questions. PDH credits are not awarded until the course is completed and quiz is passed.

Training content

This course teaches the following specific knowledge and skills:

  • Thermal (overload) protection
  • Start/stall protection
  • Short circuit AC motor protection
  • Earth fault protection
  • Negative phase sequence protection
  • Protection against faults in rotor windings
  • Under-voltage protection
  • Under-frequency protection

Costs

This course costs $89.85 - Contact PDHengineer to learn about discounts and upcoming offers

Why choose PDHengineer?

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About PDHengineer

Professional Engineers have trusted PDHengineer to provide high-quality PDH courses since 2003. A large library of PDH courses and live, interactive webinars means that engineers can find PDH course material covering all of the major engineering disciplines. Plus, all PDHengineer...


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PDHengineer

7915 FM 1960 West, Suite 130
77070 Houston Texas

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https://www.pdhengineer.com/

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