Disturbances Generated by Three-Phase Pulse-Burst-Modulated Loads and the Remedial Methods

Abstract
The Pulse-Burst Modulation Method used today for three-phase load control has two major drawbacks: 1) It can generate annoyingly high levels of dc currents. 2) In four-wire systems the neutral wire carries a large single pulse of current at the beginning and end of each switching period.

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