Harmonics in Power Systems — Their Causes
Harmonics in power systems have been known since the adoption of alternating current as a means for electric energy transmission. They have, however, been magnified nowadays with the increased use of non-linear devices. A nonlinear device produces non-sinusoidal current when supplied with a sinusoidal voltage1, and vice versa . This chapter provides a review of the origins of power system harmonics.
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