Suggested power definition and measurement due to harmonic load

Shun Li Lu, Chin E. Lin, Ching Lien Huang

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


This paper resolves conventional power content into incident, reflected, and transmitted power components that can be measured in relation to power factor compensation and harmonic elimination problems in power distribution systems. Simultaneously, the proposed concept can successfully overcome the drawbacks of Budeanu reactive and distortion power. From the power engineer's viewpoint, the proposed reactive and distortion powers possess the attributes of non-sinusoidal waveforms in power systems, and provide the information necessary for compensation of both reactive power and harmonics. An analytical method is proposed in this paper, and examples and case studies illustrate the physical and engineering significance of active, reactive and distortion power. Finally, this paper proposes a concept of `reflected power loss factor', also termed as `Γ-factor,' for harmonic loads. It represents a figure of merit in defining the power transfer capability of a harmonic load.

Original languageEnglish
Pages (from-to)73-81
Number of pages9
JournalElectric Power Systems Research
Issue number2
Publication statusPublished - 2000 Feb 1

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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