摘要
动车组运行中经常发生辅助变流器风扇及箱体裂纹的故障,影响行车安全,运用数值模拟计算和试验测试的方法分析其原因,提出改进措施并进行验证。
The faults caused by the cracks in the auxiliary converter fan's support and case body often occur in the operation of EMU,which affect the traffic safety.The reasons are analyzed by numerical simulation calculation and test,and the improvement measures are proposed and verified.
作者
成桂富
毛茂
张卫
CHENG Guifu;MAO Mao;ZHANG Wei(CRRC Tangshan Locomotive &Rolling Stock Co.,Ltd.,Tangshan 063035,.China)
出处
《铁道机车与动车》
2018年第12期44-46,I0002,共4页
Railway Locomotive and Motor Car
关键词
辅助变流器
数值模拟
裂纹
auxiliary converter
numerical simulation
crack
