Spring 2021
Variable Frequency Drives ELC218
3.00 Credit
Flex Start Flex Start Classes

Principles and operation of frequency controlled AC (Alternating current) motor drives, including current source inverters (CSI), variable voltage inverters (VVI) and pulse width modulated inverters (PWM). Heating, ventilation and air conditioning (HVAC) applications along with energy savings, motor pump sizing and torque load calculations.

Prerequisites: A grade of C or better in ELC120 or permission of Instructor or admission to Electric League of Arizona program.

Class Availability: started
Class has already started
Class Number Delivery Days Dates Times Type
26513 In Person TR March 30, 2021 - May 22, 2021 6:00pm - 8:40pm Lecture
  TRMarch 30, 2021 - May 22, 20216:00pm - 8:40pm 
Class meets at the EMC Western Maricopa Education Center (WestMEC) SouthWest Campus located at 500 N. Verrado Way in Buckeye, AZ 85326.
Flex Start Class
Last full refund date Student Last Date to Withdraw Section no. Class Fees
April 5, 2021 April 20, 2021 0001 $10.00

Books and Materials

0 Books and/or Materials.


  • EMC WestMEC Buckeye
  • WestMec SW Mezzanine
  • WMEC-B 111

Additional Location

  • March 30, 2021 - May 22, 2021
  • TR 6:00pm - 8:40pm
  • EMC WestMEC Buckeye
  • WestMec SW Mezzanine
  • WMEC-B 129