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An Enhanced Approach for Urban Sustainability Considering Coordinated Source-Load-Storage in Distribution Networks Under Extreme Natural Disasters

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  • Jiayi Zhang

    (School of Electrical Engineering and Telecommunication, University of New South Wales, Sydney, NEW 2033, Australia)

  • Qianggang Wang

    (School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

  • Yiyao Zhou

    (School of Electrical Engineering, Chongqing University, Chongqing 400044, China)

Abstract

Frequent extreme natural disasters can lead to large-scale power outages, significantly compromising the reliability and sustainability of urban power supply, as well as the sustainability of urban development. To address this issue, this paper proposes a two-layer resilience optimization method for distribution networks aimed at improving voltage quality during post-disaster power restoration, enhancing the resilience of the power grid, and thus improving the sustainability of urban development. Specifically, the upper-layer model determines the topology of the urban distribution network and dispatches emergency resources to restore power and reconstruct the original topology. Based on this restoration, the lower-layer model further enhances voltage quality by prioritizing the dispatch of flexible resources according to voltage sensitivity coefficients derived from power flow calculations. A larger voltage sensitivity coefficient indicates a stronger voltage optimization effect. Thus, the proposed method enables comparable voltage regulation performance with lower operational cost. Simulation findings on the IEEE-33 bus test system revealed that the proposed strategy minimized the impact of voltage fluctuations by 10.92 percent and cut the cost related to restoration by 31.25 percent, as compared to traditional post-disaster restoration plans, which do not entail optimization of system voltages.

Suggested Citation

  • Jiayi Zhang & Qianggang Wang & Yiyao Zhou, 2025. "An Enhanced Approach for Urban Sustainability Considering Coordinated Source-Load-Storage in Distribution Networks Under Extreme Natural Disasters," Sustainability, MDPI, vol. 17(13), pages 1-22, July.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:13:p:6110-:d:1694211
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    References listed on IDEAS

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    1. Vasiliki Vita & Georgios Fotis & Christos Pavlatos & Valeri Mladenov, 2023. "A New Restoration Strategy in Microgrids after a Blackout with Priority in Critical Loads," Sustainability, MDPI, vol. 15(3), pages 1-21, January.
    2. Jorge De La Cruz & Eduardo Gómez-Luna & Majid Ali & Juan C. Vasquez & Josep M. Guerrero, 2023. "Fault Location for Distribution Smart Grids: Literature Overview, Challenges, Solutions, and Future Trends," Energies, MDPI, vol. 16(5), pages 1-37, February.
    3. Rabiee, Abbas & Mohseni-Bonab, Seyed Masoud, 2017. "Maximizing hosting capacity of renewable energy sources in distribution networks: A multi-objective and scenario-based approach," Energy, Elsevier, vol. 120(C), pages 417-430.
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