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A Method of Calculating the Safety Margin of the Power Network Considering Cascading Trip Events

  • Huiqiong Deng
  • Chaogang LiEmail author
  • Bolan Yang
  • Eyhab Alaini
  • Khan Ikramullah
  • Renwu Yan
Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 157)

Abstract

Aiming at the phenomenon of the cascading trip in power system, this paper studies a calculation method of safety margin of power system considering the cascading trip. First, this paper analyses the behavior of cascading trip according to the action equation of relay protector, and proposes the concept of the critical state according to find out whether there are cascading trip events occurring in a power system. Then, this paper proposes an index for measuring the safety margin of power system in the case of considering a cascading trip, and proposes a model and an algorithm for calculating the safety margin. Finally, the rationality of the algorithm is demonstrated by the example of IEEE39 system.

Keywords

Power system Blackout Cascading failure Power flow transfer Correlation function 

Notes

Acknowledgment

This research was financially supported by Fujian Provincial Natural Science Foundation of China under the grant 2015J01630, Doctoral Research Foundation of Fujian University of Technology under the grant GY-Z13104, and Scientific Research and Development Foundation of Fujian University of Technology under the grant GY-Z17149.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Huiqiong Deng
    • 1
  • Chaogang Li
    • 1
    Email author
  • Bolan Yang
    • 1
  • Eyhab Alaini
    • 1
  • Khan Ikramullah
    • 1
  • Renwu Yan
    • 1
  1. 1.School of Information Science and EngineeringFujian University of TechnologyFuzhouChina

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