10. Harmonics in Electric Distribution Systems

  1. Abdelhay A. Sallam and
  2. Om P. Malik

Published Online: 8 FEB 2011

DOI: 10.1002/9780470943854.ch10

Electric Distribution Systems

Electric Distribution Systems

How to Cite

Sallam, A. A. and Malik, O. P. (2011) Harmonics in Electric Distribution Systems, in Electric Distribution Systems, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470943854.ch10

Publication History

  1. Published Online: 8 FEB 2011
  2. Published Print: 11 APR 2011

ISBN Information

Print ISBN: 9780470276822

Online ISBN: 9780470943854



  • electric distribution systems, and harmonics - any distorted nonsinusoidal periodic function, analyzed by Fourier theorem;
  • power electronics-based equipment, source of harmonic pollution - in low-voltage networks, drives, UPSs, welding machines, PCs and printers;
  • disturbances caused by harmonics - conductor impedance, increasing as frequency of circuit flowing through it


This chapter contains sections titled:

  • What are Harmonics?

  • Sources of Harmonics

  • Disturbances Caused by Harmonics

  • Principles of Harmonic Distortion Indications and Measurement

  • Frequency Spectrum and Harmonic Content

  • Standards and Recommendations