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Introduction to Motors and Drives

ONE (1) CERTIFIED PROFESSIONAL DEVELOPMENT HOUR (PDH) AVAILABLE FOR ALL ATTENDEES.

 

Appropriate sizing and selection of motors and drives have significant impacts on maintenance. Implemented properly, electric motors are a cost-effective and reliable method to create motion and force in varying ways and levels. Improperly sized motors will be inefficient and can cause operational and maintenance problems. Keeping motors in good repair maintains reliability and efficiency over time. Flooding requires specific detailed motor care. Variable frequency drives (VFDs) and variable speed drives (VSDs) control movement of motors and other actuators. Drives must be properly chosen to fit the applications and can improve energy efficiency and reliability of the motion control system. Matching drives to centrifugal pumps, for example, includes depends on pump size and design, as well as the attributes of the drive.


Learning objectives:

  • Learn how motor sizing affects efficiency and maintenance
  • Understand motor repair processes and how they affect motor efficiency and reliability
  • Review repair best practices to maintain or improve efficiency, including dealing with wet or flooded motors
  • Review drive selection, which requires understanding the application, such as fans, pumps, motors and conveyors, and maintenance.
  • Discover how built-in drive features should influence selection.
  • Understand system curves that explain how to right-size pumps with variable speed drives, including flow control: throttling vs. speed control.

Course Instructors:
Tom Bishop, PE, Senior Technical Support Specialist
Eugene Vogel, Pump and Vibration Specialist

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