When the HV station service bus is switching, the transient of the large sized asynchronous motor is analyzed and a method of inducing the impulse current is introduced.
介绍了大型火电机组高压厂用母线切换时的情况，对大型异步电动机切换时的暂态过程进行了数学分析，介绍了减少切换时冲击电流的方法。
Considering the characteristics of digital filter method and components of leakage current, this paper demonstrates that digital filter method is not suitable for separating impulse component.
在此基础上，提出了基于非滤波方式实现泄漏电流工频和脉冲分量分离的方法。
A controlling method of "late switch on" is put forward, which can reduce the impulse current of linear motor in the turnback period. The reliablity of the controlling method is discussed.
提出了减小电机换向冲击电流的延时通电控制方式，讨论了实现该控制方式的可行性和最佳参数优化。
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