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Ranking Electrical Disturbances — Part 3 of 7

LED driver response to transients

This article is Part 3 of a seven-part series on the effects of power quality disturbances on a five-stage electronic LED driver. Stemming from Part 1, which ran in the April 2018 issue, Part 2 (in the May 2018 issue) dealt with short-duration RMS voltage variations (interruptions, sags, swells). Now let’s focus on the most important disturbance category impacting electronic LED drivers: transients. An old term used in the early days of electrical engineering, a “transient”

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