列车供电系统漏电流检测误报警原因分析及解决方法  

Cause analysis and solution of false alarm in leakage current detection of train power supply system

作　　者：胡亮 陈湘 李顺 蔡杰 HU Liang;CHEN Xiang;LI Shun;CAI Jie(CRRC Zhuzhou Locomotive Co.,Ltd.;Zhuzhou CRRC Times Electric Co.,Ltd.,Zhuzhou 412001,China)

机构地区：[1]中车株洲电力机车有限公司 [2]株洲中车时代电气股份有限公司,湖南株洲412001

出　　处：《电力机车与城轨车辆》2021年第3期60-63,共4页Electric Locomotives & Mass Transit Vehicles

摘　　要：列车供电系统结构复杂,拖车漏电流误报警问题一直困扰着各研发单位和运用部门。文章针对一起典型的拖车漏电流误报警故障,从列车供电原理出发,分析了产生漏电流误报警的原因,并提出了解决办法,为160 km/h动力集中动车组的稳定运行提供保障。The structure of train power supply system is complex,and the false alarm problem of leakage current for passenger car puzzles R&D unit and application departments.Based on the principle of train power supply,this paper analyzes the false alarm cause of leakage current in a typical passenger car.The solution is put forward to ensure the stable operation for 160 km/h power concentrated EMU.

关 键 词：动力集中动车组 列车供电系统 漏电流 电流传感器 

分 类 号：U266.2[机械工程—车辆工程]