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    In 1987, professor L.S. Czarnecki proved that the widely used definition of reactive power by Budeanu was wrong and that the known power triangle equation was not met for circuits with non-sinusoidal waveforms. As a results Budeanu proposed a new measurement called the distortion power.

    Distortion power was used to represent the power appearing due to distorted voltage and current waveforms.       For years, reactive power had been associated with energy oscillations between the source and the load. The formula indicates that according to Budeanu’s definition, the reactive power is a sum of reactive power of individual harmonics.

    in Types Of Power