分时电价下含电动汽车的微电网群双层多目标优化调度
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(上海电力大学电气工程学院,上海 200090)

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通讯作者:

杨 昆(1982—),女,博士,讲师,主要从事电力系统调度优化及电力市场方面的研究;E?mail: 1670760492@qq.com

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TM933

基金项目:

国家自然科学基金(52207121)


Two‑layer multi‑objective optimal dispatching of microgrid group with electric vehicles under time‑of‑use electricity prices
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(College of Electric Engineering, Shanghai University of Electric Power, Shanghai 200090, China)

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    摘要:

    为解决大规模电动汽车无序充电导致电网出现“峰上加峰”现象,依据电动汽车充电地点的不同将配电网划分为居民区、办公区、商业区微电网,提出基于峰谷差、分时电价、用户充电满意度多目标下的电动汽车充电模式, 建立了微电网内运营商峰谷差最小—用户充电费用最少和充电满意度最大的双盈多目标优化调度模型,采用上海市实际居民办公商业混合体,基于MATLAB/NSGA?Ⅱ算法求解负荷整形度;采取粒子群优化算法求解电动汽车车主达到充电最优满意度;实现对电动汽车充电时刻和充电功率的引导。实际算例仿真结果表明,该方法能有效降低配电网负荷峰谷差,提高电动汽车充电效率,满足用户充电需求。

    Abstract:

    To address the "peak upon peak" phenomenon caused by unorganized charging of electric vehicles on a large scale, this study divides the distribution network into microgrids for residential, office, and commercial areas based on the location of electric vehicle charging. A multi-objective electric vehicle charging mode is proposed, considering peak-to-valley difference, time-of-use electricity prices, and user satisfaction. A dual-profit multi-objective optimization scheduling model is established to minimize the peak-to-valley difference for microgrid operators while minimizing user charging costs and maximizing charging satisfaction. Real mixed residential, office, and commercial complexes in Shanghai are used as a case study, and the MATLAB/NSGA-Ⅱ algorithm is employed to solve the load shaping degree. The particle swarm optimization algorithm is used to solve the optimal charging satisfaction for electric vehicle owners, guiding the timing and power of electric vehicle charging. Simulation results of the actual case demonstrate that this method effectively reduces the peak-to-valley difference in the distribution network, improves the efficiency of electric vehicle charging, and meets user charging demands.

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房超运,杨 昆,柴瑞环.分时电价下含电动汽车的微电网群双层多目标优化调度[J].电力科学与技术学报,2024,(1):124-133.
FANG Chaoyun, YANG Kun, CHAI Ruihuan. Two‑layer multi‑objective optimal dispatching of microgrid group with electric vehicles under time‑of‑use electricity prices[J]. Journal of Electric Power Science and Technology,2024,(1):124-133.

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  • 在线发布日期: 2024-04-22
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