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A study of cascading failures in real and synthetic power grid topologies

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  • SPIEWAK, RUSSELL
  • SOLTAN, SALEH
  • FORMAN, YAKIR
  • BULDYREV, SERGEY V.
  • ZUSSMAN, GIL

Abstract

Using the direct current power flow model, we study cascading failures and their spatial and temporal properties in the U.S. Western Interconnection (USWI) power grid. We show that yield (the fraction of demand satisfied after the cascade) has a bimodal distribution typical of a first-order transition. The single line failure leads either to an insignificant power loss or to a cascade which causes a major blackout with yield less than 0.8. The former occurs with high probability if line tolerance α (the ratio of the maximal load a line can carry to its initial load) is greater than 2, while a major blackout occurs with high probability in a broad range of 1

Suggested Citation

  • Spiewak, Russell & Soltan, Saleh & Forman, Yakir & Buldyrev, Sergey V. & Zussman, Gil, 2018. "A study of cascading failures in real and synthetic power grid topologies," Network Science, Cambridge University Press, vol. 6(4), pages 448-468, December.
    • Handle: RePEc:cup:netsci:v:6:y:2018:i:04:p:448-468_00
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