【摘要】 介绍串级调速技术在煤矿主通风机节能改造中的应用。通过对具体主通风机改造前、后的技术测定 ,对能耗和噪音进行了比较 ,并进行了经济和技术分析更多还原

【Abstract】 In this paper the silicon controlled rectifier applied in energy_saving alternation of main fan in coalmine is introduced.Based on technical measurement of a certain fan before and after alternation,energy consuming and noise are compared respectively.The economic and technical analysis is made too.更多还原