直流调速装置晶闸管常见故障介绍和分析

Introduction and Analysis of Common Fault of SCR in DC Speed Regulating Device

直流调速装置在国内外的使用很普遍,使用过程中故障处理是一个重要的环节。围绕着晶闸管在直流调速装置中的使用,先是对应用方面的基本常识做了简介——包括晶闸管的选型和工作条件,然后重点从原因、现象和处理方法 3方面对常见故障进行介绍,以便于入门级维护人员较为快速的找到故障原因,在最短的时间内排除故障和隐患,恢复生产。

DC speed regulating device is widely used at home and aboard,fault handing is a important part during use. Focused on the uesing of SCR in DC speed regulating device,first, a brief introduction is given to common knowledge about practical application- including the selection and operating conditions of SCR,then common fault is discussesed,with emphasis on the following aspects： cause, phenomenon and treatment measure,in order to make beginners finding the fault reasons quickly,clear the fault and hidden trouble in the best time, restore the production.