An economical charging and discharging method for a storage battery of an electric vehicle belongs to the technical field of battery control, and comprises the following steps: 1, setting T as a total planning time scale, and issuing a day-ahead electricity price prediction curve Ya by a provincial power grid by using a power grid information end; 2, establishing a machine learning knowledge database AT, learning by using XGBoost to obtain a learning electricity price Yb; 3 forming a final electricity price Yc(t) at the moment t; and 4 generating a day-ahead charging and discharging arrangement curve graph S of the electric vehicle according to Ya, correcting and updating the curve graph S and the battery state SOCt of the electric vehicle, forming and returning to a power grid information end to feed back actual charging and discharging behaviors, and the like. By means of the method, the charging and discharging economical efficiency of the electric vehicle can be guaranteed.

    一种电动汽车蓄电池经济性充放电方法,属于电池控制技术领域,包括以下步骤:步骤1:设定T为总规划时间尺度,省级电网利用电网信息端下达日前电价预测曲线Ya,步骤2:建立机器学习知识数据库AT,利用XGBoost进行学习,得到获得学习电价Yb,步骤3:形成t时刻下的最终电价Yc(t),步骤4:根据Ya生成电动汽车日前充放电安排曲线图S,对S曲线图、电动汽车电池状态SOCt进行修正、更新,形成返回至电网信息端对实际充放电行为进行反馈等。通过本发明的方法可以保证电动汽车充放电的经济性。


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    Titel :

    Economical charging and discharging method for storage battery of electric vehicle


    Weitere Titelangaben:

    一种电动汽车蓄电池经济性充放电方法


    Beteiligte:
    ZHANG ZHANHAO (Autor:in) / CHENG ZEYANG (Autor:in) / GUAN LIN (Autor:in)

    Erscheinungsdatum :

    2021-06-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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