Power supply networks are the life support of modern industry, but their quality and reliability are rarely questioned. Manufacturers are generally only interested in whether or not the current is flowing. The majority of companies never question how good or bad the quality of the power source they are using actually is. However, on closer examination, the destructive effects of distortion sources, such as harmonics, can be seen. But with the help of suitable harmonic filters, the effects of harmonic distortion can be almost eliminated.
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