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Methodology for identifying near-optimal interdiction strategies for a power transmission system

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  • Bier, Vicki M.
  • Gratz, Eli R.
  • Haphuriwat, Naraphorn J.
  • Magua, Wairimu
  • Wierzbicki, Kevin R.

Abstract

Previous methods for assessing the vulnerability of complex systems to intentional attacks or interdiction have either not been adequate to deal with systems in which flow readjusts dynamically (such as electricity transmission systems), or have been complex and computationally difficult. We propose a relatively simple, inexpensive, and practical method (“Max Line†) for identifying promising interdiction strategies in such systems. The method is based on a greedy algorithm in which, at each iteration, the transmission line with the highest load is interdicted. We apply this method to sample electrical transmission systems from the Reliability Test System developed by the Institute of Electrical and Electronics Engineers, and compare our method and results with those of other proposed approaches for vulnerability assessment. We also study the effectiveness of protecting those transmission lines identified as promising candidates for interdiction. These comparisons shed light on the relative merits of the various vulnerability assessment methods, as well as providing insights that can help to guide the allocation of scarce resources for defensive investment.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:reensy:v:92:y:2007:i:9:p:1155-1161
    DOI: 10.1016/j.ress.2006.08.007
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    References listed on IDEAS

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    1. Arun G. Phadke, 2004. "Hidden failures in electric power systems," International Journal of Critical Infrastructures, Inderscience Enterprises Ltd, vol. 1(1), pages 64-75.
    2. L. Mili & Q. Qiu & A.G. Phadke, 2004. "Risk assessment of catastrophic failures in electric power systems," International Journal of Critical Infrastructures, Inderscience Enterprises Ltd, vol. 1(1), pages 38-63.
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