Electric car control system
    11.
    发明授权
    Electric car control system 失效
    电动汽车控制系统

    公开(公告)号:US5495908A

    公开(公告)日:1996-03-05

    申请号:US131607

    申请日:1993-10-05

    摘要: A control system for an electric car includes a motor connected to a battery as a main power source for driving the electric car, a strong electricity unit having high voltage devices including an inverter for driving the motor based on power supplied thereto from the battery, a weak electricity unit having low voltage circuits including a microcomputer for data processing, and connection devices for connecting the strong and weak electricity units in such a relationship that a signal path is connected between the units as electrically isolated therefrom, wherein signal transmission between the strong and weak electricity units is carried out with use of the signals isolated between the units.

    摘要翻译: 一种用于电动汽车的控制系统包括连接到电池作为用于驱动电动汽车的主电源的电动机,具有高电压装置的强电单元,包括用于基于从电池供应的电力驱动电动机的逆变器, 具有低电压电路的弱电单元,包括用于数据处理的微型计算机,以及用于连接强电单元和弱电单元的连接装置,其中信号路径连接在与其电隔离的单元之间,其中信号传输在强和 弱电单元采用隔离单元之间的信号进行。

    Motor control apparatus
    14.
    发明授权
    Motor control apparatus 有权
    电机控制装置

    公开(公告)号:US08232756B2

    公开(公告)日:2012-07-31

    申请号:US12271444

    申请日:2008-11-14

    IPC分类号: H02P7/00

    摘要: An object of the present invention is to provide a motor control apparatus that can perform an abnormality diagnosis of current sensors and achieve cost reduction. When the outputs from three current sensors, which detect individual phase currents of a 3-phase AC current supplied from an inverter to a 3-phase AC motor, indicate that the sum of the individual phase currents of the 3-phase AC current is greater than a predetermined value, a sensor abnormality judgment unit of a motor control unit judges that one of the three current sensors is abnormal. The sensor abnormality judgment unit identifies an abnormal current sensor, which is one of the three current sensors, and performs calculations in accordance with the remaining two normal current sensors to output the current in the phase detected by the abnormal current sensor.

    摘要翻译: 本发明的目的在于提供一种能够进行电流传感器的异常诊断并实现成本降低的电动机控制装置。 当检测到从逆变器提供给三相交流电动机的三相交流电流的各相电流的三个电流传感器的输出表明三相交流电流的各相电流之和较大时 马达控制单元的传感器异常判断单元判定三个电流传感器中的一个异常。 传感器异常判断单元识别作为三个电流传感器中的一个的异常电流传感器,并且根据剩余的两个正常电流传感器执行计算,以输出由异常电流传感器检测到的相位中的电流。

    AC Motor Controller
    16.
    发明申请
    AC Motor Controller 有权
    交流电机控制器

    公开(公告)号:US20090059446A1

    公开(公告)日:2009-03-05

    申请号:US11911487

    申请日:2005-04-15

    IPC分类号: H02H7/08

    摘要: There is provided an AC motor controller capable of detecting an abnormal state of a motor cable while an AC motor is operating without using a special circuit but using a processor.The AC motor controller includes an AC motor; an inverter for driving the AC motor with a motor current through a motor cable; and a motor current detector for detecting the motor current flowing in the motor cable of the AC motor, in which a processor detects an abnormal state of the motor cable such as an inter-phase short circuit and an open circuit based on the motor current detected by the motor current detector.

    摘要翻译: 提供了一种AC电动机控制器,其能够在AC电动机不使用专用电路但使用处理器的情况下操作时检测电动机电缆的异常状态。 交流电动机控制器包括交流电动机; 用于通过马达电缆以电动机电流驱动交流电动机的逆变器; 以及电动机电流检测器,用于检测在AC电动机的电动机电缆中流动的电动机电流,其中处理器基于检测到的电动机电流检测诸如相间短路和开路的电动机电缆的异常状态 由电机电流检测器。

    AC motor controller
    20.
    发明授权
    AC motor controller 有权
    交流电机控制器

    公开(公告)号:US07759888B2

    公开(公告)日:2010-07-20

    申请号:US11911487

    申请日:2005-04-15

    IPC分类号: H02P6/00 H02P27/04

    摘要: There is provided an AC motor controller capable of detecting an abnormal state of a motor cable while an AC motor is operating without using a special circuit but using a processor.The AC motor controller includes an AC motor; an inverter for driving the AC motor with a motor current through a motor cable; and a motor current detector for detecting the motor current flowing in the motor cable of the AC motor, in which a processor detects an abnormal state of the motor cable such as an inter-phase short circuit and an open circuit based on the motor current detected by the motor current detector.

    摘要翻译: 提供了一种AC电动机控制器,其能够在AC电动机不使用专用电路但使用处理器的情况下操作时检测电动机电缆的异常状态。 交流电动机控制器包括交流电动机; 用于通过马达电缆以电动机电流驱动交流电动机的逆变器; 以及电动机电流检测器,用于检测在AC电动机的电动机电缆中流动的电动机电流,其中处理器基于检测到的电动机电流检测诸如相间短路和开路的电动机电缆的异常状态 由电机电流检测器。