Current harmonics in a normal alternating current power system the current varies sinusoidally at a specific frequency usually 50 or 60 hertz when a linear . Power system harmonics 1 abstract this paper is intended to give an overview of power system harmonics and is aimed at those who have some electrical background but . May 2013 3 1 introduction this document has been created to give general awareness of power system harmonics their causes effects and methods to control them . If not properly designed or rated electrical equipment will often malfunction when harmonics are present in an electrical systemmost people dont realize . Harmonics chapter 1 introduction april 2012 mack grady page 1 4 the light dimmer is a simple example but it represents two major benefits of power electronic
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