The invention discloses an energy storage charging and battery replacing system which comprises an AC/DC conversion unit connected with a power grid, a switch unit connected with the AC/DC conversion unit, an energy storage battery control unit connected with the switch unit and a DC/DC conversion unit. The control unit is used for connecting the power grid with the energy storage battery by controlling the switch unit so as to charge the energy storage battery under the condition of an off-peak electricity time period, and the energy storage battery is connected with a power battery by controlling the switch unit so as to supply power to the power battery in the non-off-peak time period. The control unit can control the energy storage battery to be charged in the off-peak electricity time period and supply power to the power battery through the energy storage battery in the non-off-peak electricity time period, so that the charging and battery replacing system can select to store energy of the power grid to the energy storage battery in the off-peak electricity time period and supply power by the energy storage battery in the non-off-peak electricity time period; and therefore, the power consumption cost of the energy storage charging and battery replacing system is reduced.

    本申请公开了一种储能充换电系统,包括与电网连接的AC/DC转化单元,与AC/DC转化单元连接的开关单元、与开关单元连接的储能电池控制单元和DC/DC转化单元,控制单元用于在谷电时间段的情况下,通过控制开关单元使得电网与储能电池连接从而实现电网向储能电池充电,在非谷电时间段的情况下,通过控制开关单元使得储能电池与动力电池连接从而实现储能电池向动力电池供电。由于控制单元能够控制储能电池在谷电时间段内进行充电,并在非谷电时间段内通过储能电池向动力电池供电,因此充换电系统能够选择在谷电时间段内将电网的能源存储至储能电池,而在非谷电时间段内由储能电池进行供电,从而降低了储能充换电系统的用电成本。


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    Title :

    Energy storage charging and battery replacing system


    Additional title:

    一种储能充换电系统


    Contributors:

    Publication date :

    2021-05-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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