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1. 发明授权

US09407143B2 Vehicle power-supply unit 有权
标题翻译：车辆电源单元
公开(公告)号：US09407143B2
公开(公告)日：2016-08-02
申请号：US14052419
申请日：2013-10-11
申请人： Mitsubishi Electric Corporation
发明人： Takayuki Ubukata , Nobuhiro Kihara
IPC分类号： H02M3/158 , B60L11/18 , H02M3/156 , B60L11/14
CPC分类号： H02M3/158 , B60L11/14 , B60L11/18 , B60L2210/10 , B60L2270/20 , H02M3/156 , H02M3/1588 , Y02T10/70 , Y02T10/7077 , Y02T10/7216
摘要： A vehicle power-supply unit has chargeable and rechargeable first power supply and second power supply connected to a voltage transducer at input and output terminals, respectively, and a switch element connected between the output terminal of the voltage transducer and the second power supply. By controlling a rector current flown through a reactor connected to at least two switching elements at one end when the voltage transducer is started, a capacitor connected between the other end of the reactor and the ground is charged, and the switch element is brought in a connection state according to a charging voltage of the capacitor and a voltage value of the second power supply. Consequently, a vehicle power-supply unit can protect the elements by preventing a rush current during a backflow and reverse connection and at start-up.
摘要翻译：车辆电源单元分别具有可充电和可再充电的第一电源和第二电源，分别连接到输入和输出端子处的电压换能器，以及连接在电压换能器的输出端子和第二电源之间的开关元件。通过控制在电压换能器起动时在一端流过与至少两个开关元件连接的电抗器的反馈电流，连接在电抗器的另一端与地之间的电容器被充电，并将开关元件置于根据电容器的充电电压和第二电源的电压值的连接状态。因此，车辆电源单元可以通过在回流和反向连接期间以及启动时防止冲击电流来保护元件。

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