Ranking Electrical Disturbances ― Part 4 of 7

Examining LED driver response to imbalances

This article is Part 4 of a seven-part series on the effects of power quality disturbances on a five-stage electronic LED driver. Part 1 (April 2018) dealt with long-duration voltage variations. Part 2 (May 2018) dealt with short-duration voltage variations. Part 3 (June 2018) focused on voltage and current transients (including surges). This month, we turn our attention to voltage and current imbalances. Like most voltage sags, swells, and distortion, imbalances typically do not cause

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