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    VEHICULAR POWER SUPPLY SYSTEM
    1.
    发明公开
    VEHICULAR POWER SUPPLY SYSTEM 有权
    FAHRZEUGSTROMVERSORGUNGSSYSTEM

    公开(公告)号：EP2457779A1

    公开(公告)日：2012-05-30

    申请号：EP10802114.8

    申请日：2010-04-12

    申请人： Mitsubishi Electric Corporation

    发明人： INOUE, Masaya ,  URAKABE, Takahiro ,  YANO, Takuto ,  SUGITA, Hideki ,  TAKADA, Atsutoshi

    IPC分类号： B60R16/033 ,  H02P9/04

    CPC分类号： B60R16/033 ,  F02N11/08 ,  F02N11/0866 ,  F02N2011/0885 ,  F02N2011/0888 ,  H02J1/102 ,  H02J7/345 ,  H02M3/1582 ,  H02P9/305 ,  H02P9/48 ,  H02P2101/45 ,  H02P2201/07

    摘要： The present invention provides an automotive electric power supply system that can prevent deterioration in electric power supply capacity due to discharging of a main electric power source, that can prevent large currents flowing from the main electric power source to a capacitor when a switch is closed, and that can achieve high-flux, high-output power generation.
    The main electric power source is connected to a lower-voltage side of a DC/DC converter by means of a first switch, and an electrical double-layer capacitor and a regulator circuit is connected to a higher-voltage side of the DC/DC converter. In addition, permanent magnets are disposed on a rotor so as to generate a magnetic field that is in a reverse direction to excitation by a field coil inside a claw-shaped magnetic pole portion of the rotor. A power supply control circuit controls opening and closing of the first switch so as to be in an open state when the engine is at rest, and so as to be set to a connected state after the regulator circuit is operated to make the alternator generate electric power to precharge the electrical double-layer capacitor after the engine is started.

    摘要翻译： 本发明提供一种汽车用电源系统，其能够防止主电源的放电引起的电力供给容量的劣化，能够防止当开关闭合时从主电源流向电容器的大电流， 并可实现高通量，高输出功率。 主电源通过第一开关连接到DC / DC转换器的低压侧，并且电双层电容器和调节器电路连接到DC / DC的高压侧 转换器。 另外，在转子上设置永久磁铁，以产生与转子的爪状磁极部内的励磁线圈的激励相反的方向的磁场。 电源控制电路控制第一开关的打开和关闭，以便在发动机静止时处于打开状态，并且在调节器电路被操作之后被设置为连接状态，以使交流发电机 在发动机启动后对双电层电容器进行预充电的功率。