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Simplified Arc-Flash Hazard Analysis Using Energy Boundary Curves

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3 Author(s)
Parsons, A.C. ; Power Syst. Eng. Group, Schneider Electr., Austin, TX ; Leuschner, W.B. ; Jiang, K.X.

A simplified analysis technique that allows for the determination of required arc-flash personal protective equipment (PPE) based on IEEE Std. 1584-2002 and overcurrent protective device (OCPD) characteristics is presented. Unlike the simplified equations in IEEE 1584, this analysis technique can potentially be applied to any type of OCPD on any power system within the range of applicability of the IEEE 1584 empirical equations. While the method does not exactly calculate incident energy levels and flash-protection boundaries at the buses under consideration, it does allow for an accurate determination of required PPE levels and maximum flash-protection boundary distances. This level of detail is often all that is required to enable workers to adequately protect themselves against arc-flash hazards. Actual studies performed in industrial facilities have shown that significant reductions in required data collection and analysis times have been achieved using the energy boundary analysis method.

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Industry Applications, IEEE Transactions on  (Volume:44 ,  Issue: 6 )