The invention provides a battery swap station with an energy storage function. The battery swap station at least comprises a plurality of energy storage converters; the alternating-current side voltage grade of each energy storage converter is equivalent to that of the low-voltage side of a main transformer of the battery swap station; each energy storage converter comprises a plurality of branch DC/DC converters; and each battery pack is connected to one DC/DC converter, is converted into a constant voltage, then is connected in parallel, and finally is converged into the energy storage converter for inversion. The bidirectional energy storage converter commonly used by the energy storage power station is used for replacing a charger to charge the battery of the battery swap station, and with an intelligent energy management system and a dispatching reservation battery swap system, the standby battery is used for feeding power to the power grid in the battery swap station and feeding power to the outside at a proper time, so that on the premise that the battery swap efficiency is ensured, the stability and reliability of the battery swap station are significantly improved, and meanwhile, the battery swap station has the capability of providing auxiliary value-added services for a power supply power plant.

    本发明提出了一种具备储能功能的换电站,至少包括若干储能变流器;储能变流器交流侧电压等级与换电站主变压器低压侧的电压等级相当;单台储能变流器包含若干支路DC/DC变换器;每个电池包接入一路DC/DC变换器,转化为恒定电压后再进行并联,最后汇入储能变流器进行逆变。本发明将储能电站一般使用的双向储能变流器替代充电机用于换电站的电池充电,并配合智能化的能量管理系统和调度预约换电系统,实现在恰当时候利用备用电池向换电站内电网馈电及向外部馈电,可以在保证换电效率的前提下,大幅提高换电站的用电稳定性和可靠性,同时具备向供电电厂提供辅助增值服务的能力。


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    Titel :

    Battery swap station with energy storage function


    Weitere Titelangaben:

    一种具备储能功能的换电站


    Beteiligte:
    MA MANTANG (Autor:in) / LIU DAWEI (Autor:in) / YAO SHUAI (Autor:in) / LI HAO (Autor:in) / ZHU LIANJUN (Autor:in) / ZHOU KE (Autor:in) / LIU MINGYI (Autor:in) / PEI JIE (Autor:in) / CAO CHUANZHAO (Autor:in) / ZHU YONG (Autor:in)

    Erscheinungsdatum :

    2021-12-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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