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A Flexible Interconnected Distribution Network Power Supply Restoration Method Based on E-SOP

Author

Listed:
  • Lin Jiang

    (Zhuhai Power Supply Bureau, Guangdong Power Grid Co., Ltd., Zhuhai 519000, China)

  • Canbin Wang

    (Zhuhai Power Supply Bureau, Guangdong Power Grid Co., Ltd., Zhuhai 519000, China)

  • Wei Qiu

    (Zhuhai Power Supply Bureau, Guangdong Power Grid Co., Ltd., Zhuhai 519000, China)

  • Hui Xiao

    (School of Electricity and Automation, Wuhan University, Wuhan 430072, China)

  • Wenshan Hu

    (School of Electricity and Automation, Wuhan University, Wuhan 430072, China)

Abstract

To enhance the self-healing control capability of soft open points with energy storage (E-SOPs) and optimize the fault recovery performance in flexible interconnected distribution networks, this paper proposes a novel power supply restoration method based on E-SOP. The methodology begins with a comprehensive analysis of the E-SOP’s fundamental architecture and loss model. Subsequently, a dual-objective optimization function is formulated to maximize the sum of nodal active load restoration while minimizing network losses. The optimization problem is transformed into a second-order cone programming formulation under comprehensive operational constraints. To solve this complex optimization model, an innovative hybrid approach combining the Improved Whale Optimization Algorithm (IWOA) with second-order cone programming is developed. The proposed methodology is extensively validated using the IEEE 33-node test system. The experimental results demonstrate that this approach significantly enhances the power supply restoration capability of distribution networks while maintaining practical feasibility.

Suggested Citation

  • Lin Jiang & Canbin Wang & Wei Qiu & Hui Xiao & Wenshan Hu, 2025. "A Flexible Interconnected Distribution Network Power Supply Restoration Method Based on E-SOP," Energies, MDPI, vol. 18(4), pages 1-17, February.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:4:p:954-:d:1592930
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    References listed on IDEAS

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    1. Xia, Weiyi & Ren, Zhouyang & Qin, Huiling & Dong, ZhaoYang, 2024. "A coordinated operation method for networked hydrogen-power-transportation system," Energy, Elsevier, vol. 296(C).
    2. Ji, Haoran & Wang, Chengshan & Li, Peng & Zhao, Jinli & Song, Guanyu & Wu, Jianzhong, 2018. "Quantified flexibility evaluation of soft open points to improve distributed generator penetration in active distribution networks based on difference-of-convex programming," Applied Energy, Elsevier, vol. 218(C), pages 338-348.
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