An Empirically Derived Arc Flash Discharge Energy Model and Comparison to Established Safety Codes

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 Irina Viktorova, Michael A. Bates (2016). An Empirically Derived Arc Flash Discharge Energy Model and Comparison to Established Safety CodesMechanics, Materials Science & Engineering, Vol 4. doi:10.13140/RG.2.1.2198.3761

Authors: Irina Viktorova, Michael A. Bates

ABSTRACT. Arc flash is a constant hazard when discussing industrial safety, however, little is known about the arc flash. Current safety standards require the use of the NFPA 70E equation to establish safety limits for arc flash hazards. However, when compared to an empirically derived model, these safety limits are much too low to account for all working conditions. A comparison of these two methods will lead to the conclusion that arc flash safety distances must be increased.

Keywords: electric arc, arc flash, Lambert W function, Paschen’s law

DOI 10.13140/RG.2.1.2198.3761

References

[1] Bowman, Bruce, P.E. NFPA 70E Electrical Safety Presentation. Rep. N.p.: Alliance, n.d. Print.

[2] Elgazzar, Mohamed G., P.E. The Secret to Understanding Arc Flash Calculations. The Secret to Understanding Arc Flash Calculations. ECM, n.d. Web. 22 Mar. 2016.

[3] Lieberman, Michael A.; Lichtenberg, Allan J. (2005). Principles of plasma discharges and materials processing (2nd ed.). Hoboken, N.J.: WileyInterscience. 546. ISBN 978-0471005773. OCLC 59760348.

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