CRH3A动车组电磁式接触器故障研究分析及优化  

Research and Optimization of Electromagnetic Contactor Fault of CRH3A EMU

作　　者：王建彪 WANG Jianbiao(China Railway Chengdu Group Co.,Ltd.,Chengdu 610051 Sichuan,China)

机构地区：[1]中国铁路成都局集团有限公司,成都610051

出　　处：《铁道机车车辆》2025年第S1期9-16,共8页Railway Locomotive & Car

摘　　要：对CRH3A动车组电磁式接触器故障开展统计,分析电磁式接触器故障主要原因。结合动车组运用实际情况,开展调研分析,从控制逻辑优化和电磁式接触器换型2方面提出优化建议,以降低故障率,提高动车组运用可靠性。This paper makes statistics on the fault of electromagnetic contactor in CRH3A EMU,and finding of the main cause for electromagnetic contactor fault is contact oxidation.Combined with the actual situation of the application of the EMU,research and analysis are carried out,and optimization suggestions are put forward from the control logic optimization and the replacement of the electromagnetic contactor,so as to reduce the failure rate and improve the reliability of the EMU.

关 键 词：CRH3A动车组 电磁式接触器 触点氧化 控制逻辑优化 电磁式接触器换型 

分 类 号：U279.3[机械工程—车辆工程]