摘要：介紹了變頻調速的原理，總結了變頻調速的功能、性能及可靠性，以及變頻凋速裝置在煤礦井下防爆絞車的實際廊用 、結果表明變頻調速系統(tǒng)具有很好的應用發(fā)展前景和叫 觀的經濟效益。 關鍵詞：變頻凋速；變頻器；頻率；原理；應用 [b][align=center]Frequency Conversion Speet Regulating and Application Z0NG Yong。WANG Hong—iun （Reniou Cog Mine ofWanbei Mirli-ngo，Industry Group Comp ，Hj【-la ei 235123，China｝[/align][/b] Abstract：Introducing the principle that frequency conversion adjusts the speed，sumlTlarize function，performance and dependability that frequency conversion adiusts the speed，and frequency conversion adjusts and fits rapidly in the practical application of the anti——blast hoist in the pit of the colliery．Result showed frequency conversion system application development prospects are very good and significant economic benefits． Key words：frequency conversion adjusts the speed；frequency converter；frequency；principle；application 1 變頻調速的工作原理 [b][align=center]詳細內容請點擊： 變頻調速的原理及應用[/align][/b]