东风_4型机车主电路瞬间接地的原因、判断方法及预防措施  

Reasons, judgement method and preventive measure of instant earthing of power circuit for DF_4 locomotive

作　　者：蒋万庭 王留锁[1] 

机构地区：[1]石家庄机务段检修车间,河北石家050000

出　　处：《内燃机车》2000年第9期37-38,48,共3页Diesel Locomotives

摘　　要：针对东风4 型机车主电路瞬间接地这种疑难故障进行分析 。The authors analyzed the knotty failure of instant earthing of power circuit for DF 4 locomotive and proposed the judgement method and preventive measures based on their own work experience.

关 键 词：主电路 接地故障 判断方法 预防措施 内燃机车 

分 类 号：U262.71[机械工程—车辆工程]