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Calculate incident energy of arc flash - NFPA 70E
Автор: Jonathan Gracey
Загружено: 2018-08-05
Просмотров: 15983
Описание:
Example shows how to use NFPA 70E annex D.4.3 to calculate the incident energy in cal/cm^2 of an arc flash incident on systems 208V through 15,000V. Formula works for all fuses and circuit breakers. Using the calculated incident energy one can determine the appropriate level of PPE for the potential arc flash hazard.
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