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随着变频调速和PLC控制技术在煤矿生产中的广泛应用,电压暂降越来越受到电力部门和煤矿企业的关注。论述了电压暂降对煤矿生产的影响与危害,分析了电压暂降的产生原因及对应的暂降特征,最后给出了电压暂降抑制措施。
With the frequency control and PLC control technology in coal production in a wide range of applications, voltage sags more and more by the power sector and coal mining companies. The influence and harm of voltage sag on coal mine production are discussed. The cause of voltage sag and corresponding sag characteristics are analyzed. Finally, the voltage sag suppression measures are given.