Single phase motor starting control apparatus
    2.
    发明授权
    Single phase motor starting control apparatus 失效
    单相电机起动控制装置

    公开(公告)号:US3671830A

    公开(公告)日:1972-06-20

    申请号:US3671830D

    申请日:1970-06-24

    Inventor: KRUPER ANDREW P

    CPC classification number: H02P1/44

    Abstract: A starting circuit for a single phase electric motor, particularly a capacitor start motor, is provided that includes a solid state switch connected in series with the motor starting winding and the capacitor for controlling the supply of power to the starting winding in accordance with switching signals that are developed by a triggering circuit one of whose inputs is a signal proportional to the voltage in the starting winding and is produced by means directly electrically connected across the starting winding. The improved reliability of solid state switching is provided as compared with mechanical relays as has previously been used. Pull in and drop out points may be readily set.

    Abstract translation: 提供了用于单相电动机,特别是电容启动电动机的起动电路,其包括与电动机起动绕组串联连接的固态开关和用于根据开关信号控制向起动绕组供电的电容器 其由触发电路产生,其输入是与起动绕组中的电压成比例的信号,并且通过直接电连接在起动绕组上的装置产生。 与以前使用的机械继电器相比,提供了固态开关的可靠性提高。 拉入和退出点可能很容易设定。

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