Induction motor control apparatus and method
    1.
    发明授权
    Induction motor control apparatus and method 失效
    感应电动机控制装置及方法

    公开(公告)号:US4777420A

    公开(公告)日:1988-10-11

    申请号:US936928

    申请日:1986-11-28

    IPC分类号: B60L15/20 H02P27/04 H02P3/18

    摘要: An AC induction motor is energized by a voltage fed inverter coupled with a DC power source and is controlled in response to a torque request signal that is provided to accelerate or decelerate the motor as desired to maintain a desired torque output. The motor is operated to have each of a power and brake operation below the base speed of the motor and to have each of a power and brake operation above the base speed of the motor.

    摘要翻译: 交流感应电动机由与DC电源耦合的电压反相逆变器供电,并且响应于被提供以根据需要加速或减速电动机以维持期望的转矩输出的转矩请求信号来控制。 电动机的操作是使电动和制动操作中的每一个都低于电动机的基准速度,并且使电动和制动操作中的每一个高于电动机的基本速度。

    Propulsion motor control apparatus and method
    3.
    发明授权
    Propulsion motor control apparatus and method 失效
    推进电机控制装置及方法

    公开(公告)号:US4394724A

    公开(公告)日:1983-07-19

    申请号:US316698

    申请日:1981-10-30

    摘要: A vehicle propulsion motor control apparatus includes a motor current regulating chopper apparatus and a free wheeling diode in the motor circuit. It is desired that the chopper apparatus not be commutated OFF when the free wheeling diode is conducting motor current to prevent damage to the free wheeling diode. A current detector is provided to prevent commutation of the chopper apparatus in response to sensing a current flow through the free wheeling diode.

    摘要翻译: 车辆推进电动机控制装置包括马达电流调节斩波装置和马达回路中的续流二极管。 当续流二极管正在传导电动机电流以防止损坏续流二极管时,期望斩波装置不被切换。 提供电流检测器以防止斩波装置响应感测通过续流二极管的电流而换向。

    Regenerative brake control for transit vehicle
    4.
    发明授权
    Regenerative brake control for transit vehicle 失效
    过境车辆的再生制动控制

    公开(公告)号:US4453113A

    公开(公告)日:1984-06-05

    申请号:US473514

    申请日:1983-03-09

    IPC分类号: B60L7/12 H02P3/14

    摘要: There is disclosed apparatus for controlling the regenerative brake operation of a transit vehicle, in relation to the polarity condition of coupled power lines having an insulator gap, by sensing that the power lines are successively supplying in relation to at least one predetermined time period, established in accordance with the vehicle travel time across that gap, a desired line voltage to the propulsion motor of the vehicle.

    摘要翻译: 存在用于控制运输车辆的再生制动操作,相对于具有绝缘体间隙耦合功率线的极性条件公开的装置,通过感测所述电力线被连续相供给到至少一个预定的时间周期,建立 根据跨越该间隙的车辆行驶时间,向车辆的推进电动机提供期望的线路电压。