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Title: The Practical Significance Of Electrical Harmonics
Author: Robert J. Gilleskie
Source: 2000 Measurement Science Conference
Year Published: 2000
Abstract: Harmonic distortion is a relatively new concern in the electric power industry and among end-users of electricity, its existence being primarily the result of the growing use of computers and other electronic equipment. Unfortunately, this relative newness has resulted in a misplaced significance of harmonics, some end-users being almost totally unaware of their existence, and others exaggerating their practical effects. This paper will consider some of the basic definitions of harmonics as well as their most common causes and methods of measurement. Next, it will present a realistic assessment of their effects, and the likelihood of their occurrence in the residential, commercial, and manufacturing environments. And for situations of excessive harmonics, it will discuss the most effective means of mitigation. It will then conclude with what the author believes should be a reasonable assessment of the significance of harmonics, and a practical approach to managing their effect on end-use equipment.

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