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ELC218: Variable Frequency Drives – 3 credits

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# Location Delivery Dates Days / Times Instructors Availability
29739
GateWay
Electric League of Arizona
In Person
1/20 – 5/5
Spring 2027
Wed
6:00 – 9:00 PM
  • B. Moen
Open
24 of 25 seats available
  • Department permission required; Students must contact The Electric League of Arizona at (602) 263-0115 for registration assistance. Registration at GateWay is not available.
  • No books listed at the bookstore, contact instructor