HX_D2型电力机车辅助变流器隔离原因及其应对措施  

Isolation Causes and Countermeasures of HX_D2 Electric Locomotive Auxiliary Converter

作　　者：刘志军[1] 

机构地区：[1]湖东电力机务段,山西大同037300

出　　处：《中小企业管理与科技》2017年第12期194-196,共3页Management & Technology of SME

摘　　要：论文简要介绍了HX_D2型电力机车辅助变流器的工作原理,针对1800v直流输入环节、中间直流环节、逆变输出环节中引起辅助变流器隔离故障的原因和故障方程式成立的条件进行了分析,总结了故障产生的具体条件及影响,提出了有效锁定故障点的检查、测试手段及维修方案。This paper briefly introduces the working principle of the auxiliary converter of HXD2 electric locomotive, analyzes the cause of isolation fault of auxiliary converter in the 1800V DC input link, intermediate DC link and inverter output link, analyzes the conditions to establish the fault equations, summarizes the specific conditions and the influence of the fault, and puts forward the inspection, testing means and maintenance plan for effectively ensuring fault point.

关 键 词：HXD2型电力机车 辅助变流器 功率模块 隔离 

分 类 号：U266.1[机械工程—车辆工程]