Variable Frequency Drives

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About Course

Variable Frequency Drives are adopted in various applications ranging from small appliances to large compressors. About 25% of the world’s electrical energy is consumed by electric motors. Utilizing best practices is needed to increase efficiency.


Course Content


  • Review 3 Phase Induction Motors
  • Describe Starting Methods
  • Understand VFD Operation & Precautions
  • Understand Troubleshooting of VFD’s
  • Motor Fault Review
  • Alarm Codes
  • Troubleshooting
  • Multimeter Review
  • The Allen-Bradley Powerflex 523 Drive
  • Wiring Connections
  • Display Parameters & Keypad Basics
  • Basic Control Terminal, & Advanced Program Groups
  • Hands-on-Labs