The invention relates to an optimal operation method for the energy storage system of an optical storage type charging station. The method comprises the steps of analyzing an optical storage type charging station system structure, an operation strategy and load characteristics; establishing an energy storage system multi-objective optimization operation model by taking the minimum power grid sideload variance, the minimum energy storage system operation and maintenance cost and the minimum power purchase cost from the power grid as objective functions and taking the energy storage system power, the charge state and the power grid side power supply power as constraint conditions; in combination with the typical solar photovoltaic power generation power, locating the electric vehicle charging power sampled based on the Monte Carlo method and the time-of-use electricity price distinguishing basic data of the place where the energy storage system, adopting the NSGAIII algorithm to solve the proposed model, and obtaining a Pareto optimal solution set; and screening the Pareto optimal solution set by using a fuzzy clustering method to obtain an optimal compromise operation scheme of theenergy storage system. An optimization algorithm combining NSGAIII and fuzzy clustering is adopted, the problem that the solving process is caught in local optimum is effectively avoided, and the power grid side load fluctuation level is effectively improved.

    本发明涉及一种光储式充电站储能系统优化运行方法,分析光储式充电站系统结构、运行策略和负荷特性;以电网侧负荷方差最小、储能系统运行维护成本最小和向电网购电费用最小为目标函数,以储能系统功率、荷电状态和电网侧供电功率为约束条件,建立储能系统多目标优化运行模型;结合典型日光伏发电功率、基于蒙特卡洛法抽样的电动汽车充电功率和储能系统所在地区分时电价基础数据,采用NSGA‑III算法对所提模型进行求解,得到Pareto最优解集;再利用模糊聚类方法对Pareto最优解集进行筛选,得到储能系统最优折中运行方案。采用NSGA‑III与模糊聚类结合的优化算法,有效避免求解过程陷入局部最优问题,有效改善电网侧负荷波动水平。


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    Titel :

    Optimal operation method for energy storage system of optical storage type charging station


    Weitere Titelangaben:

    一种光储式充电站储能系统优化运行方法


    Beteiligte:
    SHI SHANSHAN (Autor:in) / ZHANG YU (Autor:in) / WANG YUFEI (Autor:in) / FANG CHEN (Autor:in) / XUE HUA (Autor:in) / WANG HAOJING (Autor:in) / GAO XIAOFEI (Autor:in) / FU ZHANGJIE (Autor:in)

    Erscheinungsdatum :

    2021-02-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G06Q Datenverarbeitungssysteme oder -verfahren, besonders angepasst an verwaltungstechnische, geschäftliche, finanzielle oder betriebswirtschaftliche Zwecke, sowie an geschäftsbezogene Überwachungs- oder Voraussagezwecke , DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G06K Erkennen von Daten , RECOGNITION OF DATA / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen



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