Motors and Variable Speed Drives

Online /
Dec 2 - 4, 2024 /
Course Code: 15-1206-ONL24

The confirmation of this course depends on early registration; Register early to avoid the postponement or cancellation of a course.
  • Overview
  • Syllabus
  • Instructor


Please note, This instructor-led course has specific dates and times:
This course is held online over 3 days on the following schedule (All times in Eastern Time Zone):

Day 1 & 2: 10 am to 6 pm Eastern (Will include the usual breaks)
Day 3: 10 am to 1:30 pm Eastern

After participating in this course, you will be able to:

  • Learn about the various types of motors, variable-speed drives, and their protection requirements
  • Understand the entire regenerative drive and active front end
  • Select the proper drive control for the application: scalar drives, vector drives-field orientation drives, active front-end drives
  • Understand the four-quadrant operation of the drives pending on the application requirements
  • Select the proper control for the application
  • Select the appropriate power convertor for multiple quadrant operations

Variable speed drives (VSDs) have become an essential part of our life today. They are used in pumps, fans, compressors, heat pumps in homes, and process lines in the industry. This course is a MUST for anyone involved in the selection, applications, or maintenance of motors and variable-speed drives.

This course provides the latest in technology. It covers how modern motors and variable-speed drives operate and the various options available. It also provides guidelines and rules that must be followed for a successful application.

Course Outline:

  • DC and AC motor fundamentals
  • DC and AC variable speed drive fundamentals
  • Applications for fixed and variable speed drives
  • Drive system selection criteria
  • Drive system power line effects
  • Motor and drive system installation and maintenance aspects
  • Drive system application workshop

Who Should Attend
Manufacturing, Plant Engineering and Purchasing Personnel • Manufacturing Plant Maintenance Personnel • Consulting Engineers • Drives, Motor Designers and Manufacturers • Electrical Technicians who have to maintain the setup of the Electrical Drives

More Information

Time: 10:00 AM - 6:00 PM Eastern Time

Please note: You can check other time zones here.


Welcome, Introduction, Course Preview, Learning Outcomes and the Assessment Method

DC and AC Motor Fundamentals

  • A review of motor fundamentals: DC Motors And Permanent Magnet DC Motors, Special High-Speed Motors, Rotating Field Concept, Induction Motor Squirrel Cage; Wound Rotor and

Synchronous Motors, as well as Permanent Magnet Motors

DC and AC Variable Speed Drive Fundamentals

  • DC Power Converters, Choppers and Rectifiers,
  • DC Drive Close Loop Control Setup and Tuning
  • AC Drive Power Structure, Full REGEN DRIVE and ACTIVE FRONT END
  • Voltage SCALAR DRIVES and Current Invertors
  • MEDIUM VOLTAGE DRIVES and Applications
  • Motion Control and TUNING System Requirements
  • DC Injection Braking
  • PWM; Amplitude and Fixed Modulation

Applications for Fixed and Variable Speed Drives

  • Details of many different motor and drive applications
  • Limitation of SCALAR DRIVES
  • Typical Application for VECTOR DRIVES
  • Typical Ap[placation for FIELD ORIENTED DRIVES
  • Filters and FERANTI EFFECT

Drive System Selection Criteria

  • DRIVES POWER SIZING –Example of Complex Application
  • Typical shortfall when selecting the Drive Type

Drive System Power Line Effects

  • Power factor – what effects will the new system have on the rest of the plant
  • Harmonics – what are they, and how will they affect you
  • Harmonics Mitigation and FFT Study
  • Special requirements for Transformers; Circuit Breakers and Cables for Large Drives

Motor and Drive System Installation and Maintenance Aspects

  • What special installation efforts are required to ensure a successful application?
  • What are the typical motor and drive system failures
  • Root Cause Investigation
  • What routine maintenance should be followed?
  • The Importance of Grounding
  • Internal and External Motor Drive Protection

Drive System Application Workshop

  • Go through a drive selection process to apply a drive system. This will reinforce all the Course material and can be directly applied back at your plant

Questions and Answers and Feedback to Participants on Achievement of Learning Outcomes


Eduard Loiczli, P.Eng.

Dr. Eduard Loiczli is a Senior Electrical Engineer with over 30 years of experience in motors and drives. His most outstanding contributions are related to the development of a High-Speed Magnetic Levitation System, Vector Control System for Streetcars and Subways, and Medium Voltage 4.16Kv Drive for up to 4.5MW Induction Motor.

The Engineering Institute of Canada

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Course Rating
4.3 out of 5

Overall rating of this course by its previous attendees!

Fee & Credits

$1595 + taxes

  • 1.7 Continuing Education Units (CEUs)
  • 17 Continuing Professional Development Hours (PDHs/CPDs)
  • ECAA Annual Professional Development Points

Group Training
This course can be customized and delivered to your group of staff at your facility, saving time and money.
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