DF7G型内燃机车24 V直流开关电源故障原因分析及改进措施

Cause Analysis and Improvement Measures of DF7G Diesel Locomotive 24V DC Switching Power Failure

研究2017年发生的35件DF7G型内燃机车24 V直流开关电源故障,结合“人、机、料、法、环”五个方面进行分析讨论,总结影响DF7G型内燃机车开关电源的直接原因,进行技术改进,取得了良好效果。

This paper studies the faults of 35 DF7G diesel locomotives′24V switching power in Zhengzhou locomotive depot in 2017,analyzes and discusses from five aspects of"human,machine,material,method and environment",sums up the direct causes affecting the switching power of DF7G diesel locomotives,and carries out targeted rectification,which has achieved good results and achieved the expected purpose.