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摘要:
The increasing number of photovoltaic(PV)generation and electric vehicles(EVs)on the load side has necessitated an aggregator(Agg)in power system operation.In this paper,an Agg is used to manage the energy profiles of PV generation and EVs.However,the daily management of the Agg is challenged by uncertain PV fluctuations.To address this problem,a robust multi-time scale energy management strategy for the Agg is proposed.In a day-ahead phase,robust optimization is developed to determine the power schedule.In a real-time phase,a rolling horizon-based convex optimization model is established to track the day-ahead power schedule based on the flexibilities of the EVs.A case study indicates a good scheduling performance under an uncertain PV output.Through the convexification,the solving efficiency of the real-time operation model is improved,and the over-charging and over-discharging problems of EVs can be suppressed to a certain extent.Moreover,the power deviation between day-ahead and real-time scheduling is controllable when the EV dispatching capacity is sufficient.The strategy can ensure the flexibility of the Agg for real-time operation.
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篇名 Multi-time Scale Energy Management Strategy of Aggregator Characterized by Photovoltaic Generation and Electric Vehicles
来源期刊 现代电力系统与清洁能源学报(英文) 学科 工学
关键词 Aggregated electric vehicle(EV) aggregator(Agg) photovoltaic(PV) robust optimization convex optimization
年,卷(期) 2020,(4) 所属期刊栏目
研究方向 页码范围 727-736
页数 10页 分类号 TM615
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Aggregated
electric
vehicle(EV)
aggregator(Agg)
photovoltaic(PV)
robust
optimization
convex
optimization
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期刊影响力
现代电力系统与清洁能源学报(英文)
双月刊
2196-5625
32-1884/TK
No. 19 Chengxin Aven
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386
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0
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0
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