Emergency Power Supply Management Strategy for Low-Performance Distribution Networks Based on Mobile Multi-Port Interconnection Equipment

Xin Ning, Tianhao Zhu, Tong Kang, Jiran Zhu, Keyan Liu, Lijing Sun, Jinliang You, Xin Wang () and Qi Guo
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Xin Ning: State Grid Corporation of China, Beijing 100031, China
Tianhao Zhu: State Grid Hunan Electric Power Company Limited Research Institute, Changsha 410082, China
Tong Kang: State Grid Hunan Electric Power Company Limited Research Institute, Changsha 410082, China
Jiran Zhu: State Grid Hunan Electric Power Company Limited Research Institute, Changsha 410082, China
Keyan Liu: China Electric Power Research Institute, Beijing 100192, China
Lijing Sun: State Grid Shanghai Energy Research Institute Company Limited, Shanghai 410082, China
Jinliang You: State Grid Hunan Electric Power Company Limited Research Institute, Changsha 410082, China
Xin Wang: National Electric Power Conversion and Control Engineering Technology Research Center, Hunan University, Changsha 410082, China
Qi Guo: National Electric Power Conversion and Control Engineering Technology Research Center, Hunan University, Changsha 410082, China

Energies, 2024, vol. 17, issue 23, 1-12

Abstract: Deploying emergency vehicles has become a key guarantee for power supply in post-disaster distribution networks on account of their flexibility, maneuverability, safety, and reliability. However, due to limitations in configuration, the continuous power supply capacity of existing electrical vehicles (EVs) is insufficient, making it difficult to meet the needs of energy transfer and flow regulation in post-disaster distribution networks. Therefore, in this study, we comprehensively considered the energy time-shift characteristics of EVs and the flexible control function of soft open points (SOPs), integrated their advantages, and designed an emergency vehicle with SOP (EV-SOP) and its management strategy for distribution network line faults. Firstly, we present the EV-SOP architecture and its mathematical model. Then, aiming to minimize the economic losses caused by power loss during line faults, an EV-SOP emergency management strategy based on data collection, scheduling judgment, and optimal modeling techniques is proposed. Finally, by taking the case study of an IEEE33-node distribution network with contact switches as an example, we validate the effectiveness and superiority of the EV-SOP and its emergency management strategy compared with traditional energy storage emergency vehicles.

Keywords: distribution network; line fault; emergency control; EV-SOP (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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