Spring 2020
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: Open
15 of 24 seats available
Class Number Delivery Days Dates Times Type
16765 In Person MW March 16, 2020 - May 8, 2020 6:00pm - 8:40pm Lecture
  MWMarch 16, 2020 - May 8, 20206:00pm - 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
March 23, 2020 April 6, 2020 0001 $10.00

Books and Materials

Textbook information pending.


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

Additional Location

  • March 16, 2020 - May 8, 2020
  • MW 6:00pm - 8:40pm
  • EMC WestMEC Buckeye
  • WestMec SW Mezzanine
  • WMEC-B 129