The technical characteristics, working principle of soft-starter and applied in leakage pump of overflow dam are introduced. The problems encountered are discussed and the treatments are given.%介绍软启动器的技术特点、工作原理，及其在飞来峡溢流坝渗漏排水泵的应用．阐述应用中遇到的问题．并提出解决办法。
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