Second harmonic components in power system voltages and currents

G. T. Heydt, Y. Liu

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


This letter contains an analysis of voltages and currents in the second harmonic of the power frequency. Explanation is given for the harmful effects of these harmonics, including unequal positive and negative peak values. Simulation and laboratory results are reported.

Original languageEnglish (US)
Pages (from-to)521-523
Number of pages3
JournalIEEE Transactions on Power Delivery
Issue number1
StatePublished - Jan 2005


  • Harmonics
  • Power distribution systems
  • Power quality
  • Second harmonics

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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