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Energies
Volume 18
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10.3390/en18081940
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Article

Active Support Strategies for Power Supply in Extreme Scenarios with Synergies Between Idle and Emergency Resources in the City

by
Ruifeng Zhao
1,
Jiangang Lu
1,
Yizhe Chen
2,
Yifan Gao
2,
Ming Li
3,
Chengzhi Wei
3 and
Junhao Li
4,*
1
Power Dispatch Control Center of Guangdong Power Grid Co., Ltd., Guangzhou 510699, China
2
Zhaoqing Power Supply Bureau of Guangdong Power Grid Co., Ltd., Zhaoqing 526060, China
3
Southern Power Grid Scientific Research Institute Co., Ltd., Guangzhou 510663, China
4
National Electric Power Conversion and Control Engineering Technology Research Center, Hunan University, Changsha 410082, China
*
Author to whom correspondence should be addressed.
Energies 2025, 18(8), 1940; https://doi.org/10.3390/en18081940
Submission received: 19 March 2025 / Revised: 3 April 2025 / Accepted: 9 April 2025 / Published: 10 April 2025
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Abstract

There are numerous idle electric vehicle (EV) resources in urban distribution networks, which hold significant potential for emergency power supply support following network failures. Based on this, a proactive power supply support strategy is proposed, integrating urban idle resources and emergency resources under extreme scenarios. First, an emergency dispatch model is established for EVs in public parking lots and electric power supply vehicles (EPSVs), considering the impact of road congestion. Next, the costs of various emergency resources are analyzed, and a multi-source collaborative power restoration strategy is proposed. This strategy includes EPSVs, EVs, photovoltaics, line repair teams, and other resources, with load shedding loss costs incorporated into the optimization framework. Finally, the proposed strategy is validated through simulations using an IEEE 33-node distribution network and a 32-node transportation network. The results demonstrate that the line topology of the faulty distribution network is restored to normal after the repair team’s intervention. Moreover, the strategy enables efficient utilization and economic dispatch of urban idle and emergency resources while improving system reliability.
Keywords: distribution grid; power supply support; urban idle resources; multi-source synergy distribution grid; power supply support; urban idle resources; multi-source synergy

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MDPI and ACS Style

Zhao, R.; Lu, J.; Chen, Y.; Gao, Y.; Li, M.; Wei, C.; Li, J. Active Support Strategies for Power Supply in Extreme Scenarios with Synergies Between Idle and Emergency Resources in the City. Energies 2025, 18, 1940. https://doi.org/10.3390/en18081940

AMA Style

Zhao R, Lu J, Chen Y, Gao Y, Li M, Wei C, Li J. Active Support Strategies for Power Supply in Extreme Scenarios with Synergies Between Idle and Emergency Resources in the City. Energies. 2025; 18(8):1940. https://doi.org/10.3390/en18081940

Chicago/Turabian Style

Zhao, Ruifeng, Jiangang Lu, Yizhe Chen, Yifan Gao, Ming Li, Chengzhi Wei, and Junhao Li. 2025. "Active Support Strategies for Power Supply in Extreme Scenarios with Synergies Between Idle and Emergency Resources in the City" Energies 18, no. 8: 1940. https://doi.org/10.3390/en18081940

APA Style

Zhao, R., Lu, J., Chen, Y., Gao, Y., Li, M., Wei, C., & Li, J. (2025). Active Support Strategies for Power Supply in Extreme Scenarios with Synergies Between Idle and Emergency Resources in the City. Energies, 18(8), 1940. https://doi.org/10.3390/en18081940

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