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    • 2. 发明授权
    • Power supply for a vehicle
    • 车辆电源
    • US07667342B2
    • 2010-02-23
    • US11687452
    • 2007-03-16
    • Takaie MatsumotoYukiharu HosoiShigeto SuzukiTakeshi IkedaToshinori Fukudome
    • Takaie MatsumotoYukiharu HosoiShigeto SuzukiTakeshi IkedaToshinori Fukudome
    • F02D29/06H02P11/00
    • B60L11/12B60K6/26B60K6/28B60K6/48B60L11/123B60L2200/12B60Y2200/12H02M7/483Y02T10/6217Y02T10/6221Y02T10/7005Y02T10/7077
    • A power supply system that supplies high-voltage power to a vehicle drive motor is provided to achieve reduction in size, weight and cost of power supply. The power supply system includes a plurality of battery modules connected in series. With the intermediate connection point of the battery modules as an electrical neutral point, power is supplied to a three-level inverter via a three-level-potential high-voltage power supply line having potentials of +150V and −150V relative to this neutral point. In the three-level inverter, direct-current electric power is converted into three-phase alternating-current electric power to drive an electric motor. Accordingly, the withstand-voltage performance required of control units or control elements connected to the high-voltage power supply line can be halved as compared with the related art, thereby allowing a reduction in the size, weight, and cost of the power supply system. Further, the electric power generated by a generator is converted into direct-current electric power by a three-level converter and supplied to the high-voltage power supply line to charge the battery modules.
    • 提供向车辆驱动电动机供给高压电力的电源系统,以实现电力的小型化,重量化和成本化。 电源系统包括串联连接的多个电池模块。 在电池模块的中间连接点作为电气中性点的情况下,通过具有+ 150V和-150V的电位的三电平电位高压电源线相对于该中性点向三电平逆变器供电 。 在三电平逆变器中,直流电力被转换为三相交流电力以驱动电动机。 因此,与现有技术相比,连接到高压电源线的控制单元或控制元件所需的耐压性能可以减少一半,从而允许电源系统的尺寸,重量和成本的降低 。 此外,由发电机产生的电力通过三电平转换器转换为直流电力,并提供给高压电源线以对电池模块充电。
    • 3. 发明申请
    • POWER SUPPLY FOR A VEHICLE
    • 车辆电源
    • US20070216452A1
    • 2007-09-20
    • US11687452
    • 2007-03-16
    • Takaie MatsumotoYukiharu HosoiShigeto SuzukiTakeshi IkedaToshinori Fukudome
    • Takaie MatsumotoYukiharu HosoiShigeto SuzukiTakeshi IkedaToshinori Fukudome
    • H03B19/00
    • B60L11/12B60K6/26B60K6/28B60K6/48B60L11/123B60L2200/12B60Y2200/12H02M7/483Y02T10/6217Y02T10/6221Y02T10/7005Y02T10/7077
    • A power supply system that supplies high-voltage power to a vehicle drive motor is provided to achieve reduction in size, weight and cost of power supply. The power supply system includes a plurality of battery modules connected in series. With the intermediate connection point of the battery modules as an electrical neutral point, power is supplied to a three-level inverter via a three-level-potential high-voltage power supply line having potentials of +150V and −150V relative to this neutral point. In the three-level inverter, direct-current electric power is converted into three-phase alternating-current electric power to drive an electric motor. Accordingly, the withstand-voltage performance required of control units or control elements connected to the high-voltage power supply line can be halved as compared with the related art, thereby allowing a reduction in the size, weight, and cost of the power supply system. Further, the electric power generated by a generator is converted into direct-current electric power by a three-level converter and supplied to the high-voltage power supply line to charge the battery modules.
    • 提供向车辆驱动电动机供给高压电力的电源系统,以实现电力的小型化,重量化和成本化。 电源系统包括串联连接的多个电池模块。 在电池模块的中间连接点作为电气中性点的情况下,通过具有+ 150V和-150V的电位的三电平电位高压电源线相对于该中性点向三电平逆变器供电 。 在三电平逆变器中,直流电力被转换为三相交流电力以驱动电动机。 因此,与现有技术相比,连接到高压电源线的控制单元或控制元件所需的耐压性能可以减少一半,从而允许电源系统的尺寸,重量和成本的降低 。 此外,由发电机产生的电力通过三电平转换器转换为直流电力,并提供给高压电源线以对电池模块充电。