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The Optimal Dispatch for a Flexible Distribution Network Equipped with Mobile Energy Storage Systems and Soft Open Points

Author

Listed:
  • Yu Ji

    (State Grid Shanghai Energy Interconnection Research Institute, Shanghai 200120, China)

  • Ying Zhang

    (State Grid Shanghai Energy Interconnection Research Institute, Shanghai 200120, China)

  • Lei Chen

    (State Grid Zhejiang Electric Power Company, Hangzhou 310007, China)

  • Juan Zuo

    (State Grid Shanghai Energy Interconnection Research Institute, Shanghai 200120, China)

  • Wenbo Wang

    (State Grid Shanghai Energy Interconnection Research Institute, Shanghai 200120, China)

  • Chongxin Xu

    (State Grid Shanghai Energy Interconnection Research Institute, Shanghai 200120, China)

Abstract

This paper proposes a flexible distribution network operation optimization strategy considering mobile energy storage system (MESS) integration. With the increasing penetration of renewable energy in power systems, its stochastic and intermittent characteristics pose significant challenges to grid stability. This study introduces an MESS, which has both spatial and temporal controllability, and soft open point (SOP) technology to build a co-scheduling framework. The aim is to achieve rational power distribution across spatial and temporal scales. In this paper, a case study uses a regional road network in Chengdu coupled with an IEEE 33-node standard grid, and the model is solved using the non-dominated sorting genetic algorithm III (NSGA-III) algorithm. The simulation results show that the use of the MESS and SOP co-dispatch in the grid not only reduces the net loss and total voltage deviation but also obtains considerable economic benefits. In particular, the net load peak-to-valley difference is reduced by 20.1% and the total voltage deviation is reduced by 52.9%. This demonstrates the effectiveness of the proposed model in improving the stability and economy of the grid.

Suggested Citation

  • Yu Ji & Ying Zhang & Lei Chen & Juan Zuo & Wenbo Wang & Chongxin Xu, 2025. "The Optimal Dispatch for a Flexible Distribution Network Equipped with Mobile Energy Storage Systems and Soft Open Points," Energies, MDPI, vol. 18(11), pages 1-21, May.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:11:p:2701-:d:1662471
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    References listed on IDEAS

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    1. Phuwanat Marksan & Krittidet Buayai & Ritthichai Ratchapan & Wutthichai Sa-nga-ngam & Krischonme Bhumkittipich & Kaan Kerdchuen & Ingo Stadler & Supapradit Marsong & Yuttana Kongjeen, 2025. "Multi-Objective Optimization of Mobile Battery Energy Storage and Dynamic Feeder Reconfiguration for Enhanced Voltage Profiles in Active Distribution Systems," Energies, MDPI, vol. 18(20), pages 1-34, October.

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