Juha Arvola

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Many articles have been written about arc-flash events, mostly with a single focus. This article brings forth a wider view with a time/distance analysis of different arc abatement technologies in medium-voltage, metal-clad switchgear. The IEEE C37.20.7 [8] actual test results data, obtained from a certified high-voltage test facility, offers the reader a(More)
In this article, we have outlined various methods to mitigate arc-flash hazard by using arc-resistant controls, optical or combined current, and optical sensing. When selecting an arc-flash protection method, speed and reduction of incident energy are the most important but not the only criteria. Analyzing different methods beyond existing work place safety(More)
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