Internal Arc Risk Mitigation Tools for Enhanced Safety and Reliability

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Kushal Parwal
Sanjeet Vishwakarma
Dinesh Kannadkar

Abstract

Low voltage switchgear and control gear assemblies complying with IEC 61439 standards ensure a high level of safety and reliability for its end users. However, a remote possibility of an internal arc fault still exists and hence it is essential to employ risk mitigation tools to enhance safety and reliability. Standard bodies like IEC, IEEE, NFPA etc. provide several methods for making the switchgear assembly more robust from an internal arc standpoint. These include IEC TR 61641, IEEE1584 and NFPA 70E which are a set of available guides and standards. Besides compliance with these standards, several tools are available to mitigate the risk of an internal arc and its associated effects. Here we shall elaborate on the tools that can be used in combination, for reducing the risk associated with an internal arc fault event.

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How to Cite
Parwal, K. ., Vishwakarma, S., & Kannadkar, D. (2024). Internal Arc Risk Mitigation Tools for Enhanced Safety and Reliability. Power Research - A Journal of CPRI, 20(1), 99–105. https://doi.org/10.33686/pwj.v20i1.1171

References

  1. IEC 61439-1. 2 Ed. 3; 2020.
  2. IEC 61641. Ed. 3; 2014.
  3. IEEE 1584. NFPA. 70E.
  4. International Hygiene and Safety News.
  5. DFR fundamentals: an introduction to design for reliability. ReliaSoft Corporation; 2007
  6. Fault tree analysis: an overview of basic concepts, ReliaSoft Corporation, Reliability Engineering Resources, Available From: http://www.weibull.com/basics/fault-tree/index.htm
  7. IEC International standard Fault Tree Analysis (FTA), IEC61025 Edition 2.0. 2006; 12.
  8. Wilkins R, Allison M, Lang M. Improved method for arc flash Hazard analysis. Ferraz Shawmut Inc; 2004.

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