This paper introduces the working principles of the high--voltage soft starter, the performance contrast with the water resistance starter, and the successful application on the large--scale high--voltage electric motor.%介绍了高压软起动装置的工作原理，分析了其与水电阻起动器的性能对比，阐述了高压软启动的改造内容，并探讨了高压软启动装置在大型高压电动机上的运用。
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