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An Efficient Controlled Islanding Strategy for Large-Scale AC/DC Power Systems

Author

Listed:
  • Changcheng Song

    (Key Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education, Shandong University, 17923 Jingshi Road, Jinan 250061, China)

  • Xiaodong Chu

    (Key Laboratory of Power System Intelligent Dispatch and Control of Ministry of Education, Shandong University, 17923 Jingshi Road, Jinan 250061, China)

  • Linlin Ma

    (Shandong Electric Power Dispatching and Control Center, Jinan 250001, China)

  • Xiaobo Wang

    (Shandong Electric Power Dispatching and Control Center, Jinan 250001, China)

  • Xin Li

    (Shandong Electric Power Dispatching and Control Center, Jinan 250001, China)

  • Liang Wang

    (Shandong Electric Power Dispatching and Control Center, Jinan 250001, China)

  • Bing Zhang

    (Shandong Electric Power Dispatching and Control Center, Jinan 250001, China)

  • Cheng Wu

    (Shandong Electric Power Dispatching and Control Center, Jinan 250001, China)

Abstract

A controlled islanding strategy should be carefully designed to prevent power systems from overall collapse caused by extremely serious faults, which is of high computational complexity for large-scale AC/DC power systems. An efficient controlled islanding strategy for large-scale AC/DC power systems is proposed in this paper. The original power system is first reduced to decrease the computational complexity. The reduced power system is then partitioned into a number of dispatch areas by using the breadth-first search algorithm. Next, the reduced power system is recovered to obtain the detailed information of the dispatch areas. The spectral clustering algorithm is used to cluster the large number of dispatch areas into a small number of islanding areas. Finally, the controlled islanding strategy is verified by assessing the steady and dynamic performance of the power system. The feasibility, efficacy, and adaptability of the controlled islanding strategy are demonstrated by the case study of a large-scale multi-infeed AC/DC power system in China.

Suggested Citation

  • Changcheng Song & Xiaodong Chu & Linlin Ma & Xiaobo Wang & Xin Li & Liang Wang & Bing Zhang & Cheng Wu, 2018. "An Efficient Controlled Islanding Strategy for Large-Scale AC/DC Power Systems," Energies, MDPI, vol. 11(6), pages 1-20, June.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:6:p:1483-:d:151073
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    References listed on IDEAS

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    1. Fei Tang & Huizhi Zhou & Qinghua Wu & Hu Qin & Jun Jia & Ke Guo, 2015. "A Tabu Search Algorithm for the Power System Islanding Problem," Energies, MDPI, vol. 8(10), pages 1-27, October.
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