2nd October 2019


What are the effects of harmonics?

Harmonic is multiple of the fundamental frequency and it can be voltage and current in an electric power system are a result of non-linear electric loads. Harmonics in power systems result in increased heating in the equipment and conductors, misfiring in variable speed drives, and torque pulsations in motors.

What is the cause of harmonic distortion?

Voltage waveform distortion. Ohm's Law also helps explain another phenomenon: distorted voltage waveforms caused by distorted current waveforms. Each harmonic current in a facility's electrical distribution system will cause a voltage at the same harmonic to exist when the harmonic current flows into an impedance.
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