The invention discloses an electric vehicle participation secondary frequency modulation control strategy considering power distribution network congestion. The strategy comprises the steps of firstlycollecting the SOC of an electric vehicle, and dividing the electric vehicle into an EVdc group in a V2G state and an EVc group in a charging state according to the SOC, respectively calculating controllable capacities of the two groups of electric vehicles, then, according to the controllable capacities of the two groups of electric vehicles, conducting frequency modulation power distribution oneach electric vehicle, and finally, monitoring the operation state of the power distribution network in real time, calculating the CCIF index of the power distribution network, limiting the chargingpower of the electric vehicle when the CCIF index is too high, and re-distributing the frequency modulation power for the limited part of frequency modulation capacity.

    本发明公开了一种计及配电网拥塞的电动汽车参与二次调频控制策略,先采集电动汽车的SOC,根据SOC将电动汽车分为处于V2G状态的EVdc组和处于充电状态的EVc组;再分别计算两组电动汽车的可控容量;之后,根据两组电动汽车的可控容量,对每辆电动汽车进行调频功率的分配;最后,实时监测配电网的运行状态,计算其CCIF指数,在CCIF指数过高时限制电动汽车的充电功率,被限制的部分调频容量重新进行调频功率的分配。


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    Titel :

    Electric vehicle participation secondary frequency modulation control strategy considering power distribution network congestion


    Weitere Titelangaben:

    一种计及配电网拥塞的电动汽车参与二次调频控制策略


    Beteiligte:
    CHEN HAO (Autor:in) / HU JUNJIE (Autor:in)

    Erscheinungsdatum :

    26.02.2021


    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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