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AC Motor Controls

Most AC motors are started through a standardized control system designed to protect the motor, the circuit, and operating personnel. Our AC Motor Controls e-learning training focuses on ladder diagrams, wiring, and troubleshooting techniques for the most common motor used in industry, the AC induction motor.

Discount pricing available! For more than ten users, please contact New Standard Institute by using the Contact Us form for multiple user discounts.

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SKU: CT2030. Category: .

Introduction

  • Purpose of a Motor Starter
  • Components of a Motor Control Circuit
  • NEMA Starter Size Numbering System
  • Various Motor Starting Requirements
    – Single Speed, Multiple Speed, Reversing, Reduced Voltage, etc.

Common Motor Circuits

  • Symbols for Control Components
  • Manual Starters
  • Magnetic Motor Starter Operation
  • Standard Two and Three Wire Control
  • Wiring Diagrams vs. Ladder Diagrams
  • Troubleshooting Using Ladder Diagrams

Variations on the Motor Control Circuit

  • 120-Volt Control vs. 480/240-Volt Control
  • Control Transformers
  • Proper Fusing and Grounding
  • Multiple Start/Stop Stations
  • Single Phase Motor Starting
  • Time Delay and Latching Relays
  • Pilot Devices – Pressure, Temperature, Level, and Limit Switches

Power Circuits

  • The Combination Motor Starters
  • Checking Power Fuses and Breakers

Wiring Up a Motor Starter

Troubleshooting Control Circuits