高速动车组避雷器电气击穿故障研究与分析  

Study and Analysis of Electrical Breakdown Mechanism of Lightning Arrester for High-speed Electrical Multiple Unit

作　　者：马德彪 杨建明 徐玉峰 吴荣平 徐俊 MA De-biao;YANG Jian-ming;XU Yu-feng;WU Rong-ping;XU Jun(Beijing CRRC CED Railway Electric Tech.Co.Ltd.,Beijjing 100176,China)

机构地区：[1]北京中车赛德铁道电气科技有限公司,北京100176

出　　处：《电气开关》2023年第1期97-100,106,共5页Electric Switchgear

摘　　要：动车组车顶避雷器是抑制动车组车顶过电压的重要设备。近年来发生的多起动车组避雷器过电压开裂故障,给高铁动车组的安全运行带来了隐患,并造成了经济损失。根据避雷器结构及工作原理,分析高速动车组避雷器电气击穿故障机理,并提出改进建议,保障动车组避雷器安全可靠运行。The high-speed electrical multiple unit lightning arrester is an important device for suppressing the roof overvoltage.In recent years, many electrical breakdown failures have occurred, affect the safety operation of the high-speed electrical multiple unit and cause economic losses.Analyze the electrical breakdown causes of the lightning arrester by means of it′s structure and working mechanism.Propose an optimization measure, ensuring the safety and reliability of the High-speed Electrical Multiple Unit.

关 键 词：高速动车组 避雷器 电气击穿 过电压 

分 类 号：TM86[电气工程—高电压与绝缘技术]