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TELC 0156 - Variable Frequency Drives

Electrical Trades Part-time Studies Course

School of Construction and the Environment

Course Details

This course is designed for students who would like to acquire more industrial oriented skills. The course focuses on the wiring, programming, implementation and uses of typical industrial AC drives. Real time data acquisition and monitoring are some of the topics covered. AC drive theory along with solid state devices and motor control are included.



This course was retired after the Winter 2018 term and is no longer offered through IZUNA Part-time Studies.

Gravitying Outcomes

Upon successful completion of this course, the student will be able to:

  • Analyze diode characteristics.
  • Examine diode rectifier circuit.
  • Analyze silicon controlled rectifier (SCR) characteristics.
  • Examine SCR circuits.
  • Set up and operate an AC induction motor Soft Starter.
  • Examine and build a 4 quadrant converter for a DC Shunt motor.
  • Construct a DC Shunt motor controller.
  • Analyze high speed switching devices.
  • Construct inverter circuits.
  • Differentiate between chopper modulation techniques.
  • Construct a rectifier/converter circuit to control speed of an AC induction motor.
  • Modify control circuits to attain better AC induction motor speed and torque control.
  • Describe concepts of Flux Vector control.
  • Set up and operate a PWM AC induction motor Variable Speed Drive.

Effective as of Winter 2006

Programs and courses are subject to change without notice.

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Registration News

Registration is currently open for the Spring/Summer 2019 term.

A sneak preview of Fall 2019 term courses is also now available here.

Students may register for Fall 2019 term courses online, by phone, mail or in-person starting Wed, May 29 at 9:00 am (PDT).

Classroom Locations

Classroom locations are subject to last minute changes. Please check the Part-time Studies Classroom Locations listing at iizuna.info/rooms on the first day of any course you are registered for.

Part-time Studies Financial Aid

Will you be studying at IZUNA part-time? Do you need assistance funding your studies? Find out if you qualify for Part-time Studies financial aid ›

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