Commentary on Various Formulations of Distortion Power D

Yildirim D., Fuchs E.

IEEE Power Engineering Review, vol.19, no.5, pp.50-52, 1999 (Scopus) identifier

  • Publication Type: Article / Article
  • Volume: 19 Issue: 5
  • Publication Date: 1999
  • Doi Number: 10.1109/39.761816
  • Journal Name: IEEE Power Engineering Review
  • Journal Indexes: Scopus
  • Page Numbers: pp.50-52
  • Istanbul Technical University Affiliated: Yes


In a circuit where the load is nonlinear or the source has forms the apparent power is defined as [Formula Ommitted] are reviewed. It is well known that the distortion power D is generated by the cross products of voltage and current harmonics of different frequencies. Accurate experiments are performed to measure the distortion power for a great variety of nonlinear load conditions of a 25 kVA transformer for a range of total harmonic current (THDv) and total harmonic voltage (THDv) distortions. The computed distortion power D as a function of voltage and current harmonics of unlike frequencies is validated by measurements: one concludes that a proper interpretation of Budeanu's definition is correct and agrees with measured results. © 1999, IEEE. All rights reserved.