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软起动器是集电机软启动、软停车、轻载节能、多种保护功能于一体的电机控制装置,具有操作简单、维护费用较低等较多优点,广泛地应用于煤矿的电气系统中。本文分析了软启动器及其工作原理,介绍了软启动器的几种启动方式,对软启动器在电气系统中的应用进行了探讨并提出了一些思考。
Soft starter is a set of motor control device with soft start, soft stop, light load and energy saving and various protection functions. It has the advantages of simple operation and lower maintenance cost, and is widely used in the electrical system of coal mines. This paper analyzes the soft starter and its working principle, introduces several ways to start the soft starter, the application of the soft starter in the electrical system are discussed and put forward some considerations.