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近年来，随着电力电子技术、微电子技术及大规模集成电路的发展，生产工艺的改进及功率半导体器件价格的降低，变频调速越来越被工业上所采用。如何选择性能好的变频其应用到工业控制中，是我们专业技术人员共同追求的目标。下面结合作者的实际经验谈谈变频器的工作原理和控制方式 http://www.xinyilw.com

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