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LEDs and Power Quality

Ranking Electrical Disturbances ― Part 2 of 7

LED driver response to short-duration RMS voltage variations

This article is Part 2 of a new seven-part series on the effects of power quality disturbances on a five-stage electronic LED driver. In Part 1, which ran in the April 2018 issue, we listed seven categories of electrical disturbances as defined in Table 2 per IEEE 1159-2009, Recommended Practice for Monitoring Electric Power Quality. Our discussion focused on long-duration RMS variations. We now turn our attention to short-duration RMS variations.

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