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Understanding How Harmonics Affect Power Factor

Category: PQ Theory, Power Quality, Harmonics/Interharmonics

How Harmonics Affect Power FactorUnderstanding How Harmonics Affect Power Factor

Understand how harmonics affect power factor and how this process varies from traditional issues with inductive loads.


Power Factor (PF) is a measure of the efficiency of electric power delivery to a load.


Traditionally, the phase shift from inductive loads was the major cause of poor PF and was straightforward to correct.


Today’s harmonic loads create even worse power factor, and the correction is much more difficult.


Here, an overview of how harmonics affect power factor is given and how this mechanism differs from the traditional problems with inductive loads.


This White Paper Includes:

  • Power Factor Definition
  • Real Power
  • Power Factor with Undistorted Waveforms
  • Power Factor with Distorted Waveforms
  • Mixed Loads

Download White Paper Here