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    Charging efficiency using selectable isolation
    1.
    发明公开
    Charging efficiency using selectable isolation 有权
    Ladewirksamkeit mit Verwendung einerwählbarenIsolierung

    公开(公告)号：EP2498370A1

    公开(公告)日：2012-09-12

    申请号：EP12001442.8

    申请日：2012-03-02

    申请人： Tesla Motors, Inc.

    发明人： Krauer, Jean-Pierre ,  Kalayjian, Nicholas, Robert ,  Nergaard, Troy, Adam

    IPC分类号： H02J7/00

    CPC分类号： H02M3/3376 ,  H02J7/0052 ,  H02J2007/0059 ,  Y02B40/90 ,  Y02E70/40

    摘要： The apparatus for charging an energy storage system (ESS) (235) from an AC line voltage (205) includes a boost stage (220) for converting the AC line voltage to a first ESS charging voltage; an isolation stage (225,230), coupled to the boost stage, for converting the first ESS charging voltage to a second ESS charging voltage with the second ESS charging voltage less than the first ESS charging voltage, the isolation stage removing a common mode current between the ESS and the boost stage; a configurator (250), responsive to a control signal, to set a direct communication of the first ESS charging voltage to the ESS in a bypass mode and to open the direct communication of the first ESS charging voltage to the ESS in an isolation mode; and a controller, coupled to the configurator, for setting the modes responsive to a battery voltage, a peak of the AC line voltage, and a total leakage current at an input of the AC line voltage, the controller asserting the control signal to the configurator.

    摘要翻译： 用于从AC线路电压（205）对能量存储系统（ESS）（235）充电的装置包括用于将AC线电压转换成第一ESS充电电压的升压级（220） 耦合到升压级的隔离级（225,230），用于将第一ESS充电电压转换成具有小于第一ESS充电电压的第二ESS充电电压的第二ESS充电电压，所述隔离级去除第二ESS充电电压之间的共模电流 ESS和提升阶段; 配置器（250），响应于控制信号，以旁路模式将所述第一ESS充电电压直接通信到所述ESS，并以隔离模式将所述第一ESS充电电压直接通信到所述ESS; 以及耦合到所述配置器的控制器，用于响应于电池电压设置所述模式，所述AC线电压的峰值以及所述AC线电压的输入处的总漏电流，所述控制器将所述控制信号置于所述配置器 。