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Introduction to Industrial Motors for Non-Electricians

Scope
This course is designed for the entry-level electricians or experienced instrumentation mechanics who needs to understand the basics of industrial motor control. With a focus upon OSHA compliance, the student will be introduced to industrial motor controls with the understanding that the individual must be a qualified person to be able to work on the equipment. With that in mind the person will learn about the construction, operation, and how to avoid the hazards associated with electric motor controls.

Prerequisites: A working knowledge of basic AC and DC electricity (Ohm’s Law, Watt’s Law, and Kirchhoff’s current and voltage laws, and Lenz’s Law).

 

Learning Outcomes

At the conclusion of the course the participant should be able to:

  • Wire common industrial control circuits containing control relays, motor starters, and timers given the English description of that control circuit.
  • Troubleshoot common industrial motor control circuits given standard troubleshooting tools and the electrical ladder diagrams.
  • Use the job aid provided in class, "10 Steps to Designing a Motor Control Circuit," to properly size the various components of an industrial motor circuit.
 
Outline
 
  • Basics of Motor Control
    • Review of electrical principles
    • Review of electrical circuits
    • Electrical symbols and diagrams
      • Three line diagrams
      • One (Single) line diagrams
      • Ladder Diagrams
  • Common Control Devices
    • Relays
    • Solid State Gates
    • Programmable Logic Controllers
  • Common Input Devices
    • Digital
    • Analog
  • Common Output Devices
    • Digital
    • Analog
  • Typical Control Circuits
    • Two-wire control
    • Three-wire control
      • Across the line starters
      • Sequence
      • Jogging
      • Reversing
  • Fundamentals of DC and AC Motors
    • Three phase induction
    • Synchronous
  • Sizing of NEMA and IEC Industrial Products

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