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Control method and motorstarter device

机译:控制方法和电动机启动器装置

摘要

A method for controlling an electric motor with a softstarter. A softstarter device for control of electric motors. Motor torque is controlled in dependence of a torque error signal, based on a calculated difference between the motor torque and a reference torque value, so that the motor torque displays a rate of change with respect to time, during a stopping or starting time interval, that is adapted to follow a rate of change of the reference torque value, with respect to time, that varies between at least a first part of the time interval and a second part of the time interval, and thereby changing the speed of the motor. A system includes an electric motor, a device driven by the electric motor and a softstarter device for controlling the electric motor. A computer program product includes a computer readable medium and a computer program recorded thereon.
机译:用软起动器控制电动机的方法。用于控制电动机的软启动器设备。基于计算出的电动机转矩与参考转矩值之间的差,根据转矩误差信号控制电动机转矩,以便在停止或启动时间间隔内,电动机转矩显示相对于时间的变化率,适于跟随参考转矩值相对于时间的变化率,该变化率在时间间隔的第一部分和时间间隔的至少第二部分之间变化,从而改变电动机的速度。一种系统,包括电动机,由电动机驱动的装置以及用于控制电动机的软启动器装置。计算机程序产品包括计算机可读介质和记录在其上的计算机程序。

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