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Risk Reliability Assessment of Transmission Lines under Multiple Natural Disasters in Modern Power Systems

Author

Listed:
  • Rongquan Fan

    (State Grid Sichuan Economic Research Institute, Chengdu 610095, China)

  • Wenhui Zeng

    (State Grid Sichuan Economic Research Institute, Chengdu 610095, China)

  • Ziqiang Ming

    (State Grid Sichuan Electric Power Company, Chengdu 610072, China)

  • Wentao Zhang

    (State Grid Sichuan Economic Research Institute, Chengdu 610095, China)

  • Ruirui Huang

    (College of Electrical Engineering, Sichuan University, Chengdu 610065, China)

  • Junyong Liu

    (College of Electrical Engineering, Sichuan University, Chengdu 610065, China)

Abstract

Climate change has led to more frequent extreme weather events, and various natural disasters have posed risks to the operation of transmission lines. Line failures caused by natural disasters are unpredictable and bring additional maintenance work. Therefore, this paper proposes a transmission line risk reliability assessment method that considers the combined effects of multiple natural disasters. This method establishes a theory of disaster risk quantification that considers the probability of the occurrence of the risk, the degree of the impact of the risk on the line, and the severity of the risk disaster. The risk weights for different natural disasters are calculated by combining a hierarchical analysis and entropy weighting methods. The example of a transmission line risk assessment under the combined effects of multiple natural disasters for a Sichuan region verifies the proposed method’s effectiveness. The results show that the method effectively assesses the operational risk to transmission lines under the combined effects of natural disasters. The assessment results can be used for disaster recovery and line risk prevention.

Suggested Citation

  • Rongquan Fan & Wenhui Zeng & Ziqiang Ming & Wentao Zhang & Ruirui Huang & Junyong Liu, 2023. "Risk Reliability Assessment of Transmission Lines under Multiple Natural Disasters in Modern Power Systems," Energies, MDPI, vol. 16(18), pages 1-14, September.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:18:p:6548-:d:1237958
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    References listed on IDEAS

    as
    1. Yi Wen & Yifei Chen & Jianrong Wu & Xianyin Mao & Huan Huang & Lin Yang, 2022. "Research on Risk Assessment and Suppression Measures for Ice-Shedding on 500 kV Compact Overhead Lines," Energies, MDPI, vol. 15(21), pages 1-14, October.
    2. Jie Liu & Boyan Jia & Zhimeng Zhang & Zimo Wang & Ping Wang & Jianghai Geng, 2022. "Lightning Failure Risk Assessment of Overhead Transmission Lines Based on Modified Dempster–Shafer Theory," Energies, MDPI, vol. 15(7), pages 1-10, March.
    3. Amalija Božiček & Bojan Franc & Božidar Filipović-Grčić, 2022. "Early Warning Weather Hazard System for Power System Control," Energies, MDPI, vol. 15(6), pages 1-19, March.
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    Cited by:

    1. Rodney Itiki & Madhav Manjrekar & Silvio Giuseppe Di Santo, 2024. "Proposed Extension of the U.S.–Caribbean Super Grid to South America for Resilience during Hurricanes," Energies, MDPI, vol. 17(1), pages 1-19, January.

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