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Hidden failures in electric power systems

Author

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  • Arun G. Phadke

Abstract

Hidden failures in equipment are those failures which occur at random and that do not lead to any discernible change in the state of the network and, therefore, remain undetected. Although hidden failures can occur in any equipment, the hidden failures in protective equipment have attracted a good deal of attention in recent years. Admittedly these failures are rare but, when the power system is stressed, their effects on the power system can be catastrophic. This paper examines the mechanisms of hidden failures of the protection system, their role in major power system disturbances, and concludes with lessons learned from an examination of past system blackouts.

Suggested Citation

  • Arun G. Phadke, 2004. "Hidden failures in electric power systems," International Journal of Critical Infrastructures, Inderscience Enterprises Ltd, vol. 1(1), pages 64-75.
    • Handle: RePEc:ids:ijcist:v:1:y:2004:i:1:p:64-75
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    Cited by:

    1. Bier, Vicki M. & Gratz, Eli R. & Haphuriwat, Naraphorn J. & Magua, Wairimu & Wierzbicki, Kevin R., 2007. "Methodology for identifying near-optimal interdiction strategies for a power transmission system," Reliability Engineering and System Safety, Elsevier, vol. 92(9), pages 1155-1161.

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