高速铁路轨道绝缘节电弧灼伤现象分析及对策  

Analysis on Phenomena of Arc Burning of Insulation Joint of Track Circuits of High-speed Railway and Related Countermeasures

作　　者：艾广宁 AI Guangning

机构地区：[1]中铁电气化局集团京沪高铁维管公司

出　　处：《电气化铁道》2024年第2期84-86,共3页Electric Railway

摘　　要：某高速铁路轨道绝缘节部位出现绝缘击穿和钢轨电弧灼烧的现象,通过综合工务、电务和供电专业的工况特点分析原因,提出改进轨道绝缘节的结构设计、增设供电回流专用设备和改善回流路径等方案,以从根源上杜绝此类现象的发生。With regard to the phenomena of breakdown of insulation and rail arc burning occurred in insulation joint of track circuits of a high-speed railway,the causes of the phenomena are analyzed with referencing of characteristics of working conditions of the track maintenance department,communication and signal department and power supply department,schemes for improvement on structure design of insulation joint of track circuit,supplementing of special equipment of return current of power supply and improvement of return circuit are put forward so as to fundamentally eliminate the occurrence of such phenomena.

关 键 词：高速铁路 轨道绝缘节 牵引供电系统 电弧 

分 类 号：U226[交通运输工程—道路与铁道工程]