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Reliability Analysis of Cyber–Physical Systems: Case of the Substation Based on the IEC 61850 Standard in China

Author

Listed:
  • Ye Cai

    (Hunan Province 2011 Collaborative Innovation Center of Clean Energy and Smart Grid, Changsha University of science and technology, Changsha 410082, China)

  • Yu Chen

    (College of Electrical and Information Engineering, Hunan University, Changsha 410082, China)

  • Yong Li

    (College of Electrical and Information Engineering, Hunan University, Changsha 410082, China)

  • Yijia Cao

    (Hunan Province 2011 Collaborative Innovation Center of Clean Energy and Smart Grid, Changsha University of science and technology, Changsha 410082, China)

  • Xiangjun Zeng

    (Hunan Province 2011 Collaborative Innovation Center of Clean Energy and Smart Grid, Changsha University of science and technology, Changsha 410082, China)

Abstract

With the increasing interaction between physical devices and communication components, the substation based on the IEC 61850 standard is a type of cyber–physical system. This paper proposes a reliability analysis method for substations with a cyber–physical interface matrix (CPIM). This method calculates the influences from both the physical device failures and the communication devices failures. Two indices, Probability of Load Curtailments and Expected Demand Not Supplied, are used in the reliability analysis. Given the simplified model of the practical substation based on the Chinese IEC 61850 standard, the results show that the substation system had a potential risk of cascading failure under the cyber–physical fusion trend, as the failure in cyber layer would increase the power loss of the whole system. The changing magnitude of Expected Demand Not Supplied increased significantly with increasing transmission delay rate of the process bus.

Suggested Citation

  • Ye Cai & Yu Chen & Yong Li & Yijia Cao & Xiangjun Zeng, 2018. "Reliability Analysis of Cyber–Physical Systems: Case of the Substation Based on the IEC 61850 Standard in China," Energies, MDPI, vol. 11(10), pages 1-12, September.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:10:p:2589-:d:172617
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    References listed on IDEAS

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    1. Moreira, Naiara & Molina, Elías & Lázaro, Jesús & Jacob, Eduardo & Astarloa, Armando, 2016. "Cyber-security in substation automation systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 1552-1562.
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    Cited by:

    1. Biyun Chen & Haoying Chen & Yiyi Zhang & Junhui Zhao & Emad Manla, 2019. "Risk Assessment for the Power Grid Dispatching Process Considering the Impact of Cyber Systems," Energies, MDPI, vol. 12(6), pages 1-18, March.
    2. Myeong-Hoon Song & Sang-Hee Kang & Nam-Ho Lee & Soon-Ryul Nam, 2020. "IEC 61850-Based Centralized Busbar Differential Protection with Data Desynchronization Compensation," Energies, MDPI, vol. 13(4), pages 1-15, February.
    3. Xiaoxiao Guo & Yanghong Tan & Feng Wang, 2020. "Modeling and Fault Propagation Analysis of Cyber–Physical Power System," Energies, MDPI, vol. 13(3), pages 1-22, January.
    4. Kinan Wannous & Petr Toman & Viktor Jurák & Vojtěch Wasserbauer, 2019. "Analysis of IEC 61850-9-2LE Measured Values Using a Neural Network," Energies, MDPI, vol. 12(9), pages 1-20, April.

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