Understanding the Effects of Harmonics and VFDs in Electrical Systems

On Demand until May 16, 2019

Duration:60 minutes


Harmonics in electrical systems are normal occurrences due to non-linear loads such as AC to DC supplies and Variable Frequency Drives (VFDs).   This webinar will provide an understanding of what harmonics are in electrical systems and how VFDs create them. 

We will review how the IEEE Recommended Practice and Requirements for Harmonic Control in Electric Power Systems (Standard 519) applies to harmonics disturbances at a system level, as well as explain the importance of understanding the Point of Common Coupling (PCC).

Additionally, this presentation will provide options for mitigating harmonics when applying VFDs to electrical systems so that systems may remain within the IEEE Standard 519 limits.

Join us to:                                              

  1. Understand what harmonics are, as they pertain to electrical systems
  2. Discover how Variable Frequency Drives create harmonics
  3. Comprehend how IEEE Standard 519 applies to harmonics in electrical systems
  4. Learn how to mitigate harmonics when applying VFDs

Can't attend live? Register to view the webinar on-demand!


Miles Mahaffy

Senior Product Marketing Manager


Senior Product Marketing Manager – Danfoss Drives Miles studied Electrical Engineering at Queen’s University at Kingston Ontario and concentrated on Power Electronics and controls. He began his career in 1990 in the growing Drives industry in design and development. He progressed his knowledge and experience by holding positions in: Firmware development, Applications engineering, Regional Sales (Canada and the US) and high power drives product management. Miles resides in Milwaukee Wisconsin where he markets and promotes Drives for Danfoss, an industry leader. In his spare time, Miles enjoys sail boat racing on Lake Michigan and downhill skiing with his family.



Understanding the Effects of Harmonics and VFDs in Electrical Systems
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