无砟轨道线路接触网防雷技术研究

Research on the Lightning Protection Technology of OCS on Ballastless Track

研究目的:在现有接触网防雷研究的基础上,通过计算,分析雷击无砟轨道线路接触网的各种情况。研究结果:提出无砟轨道线路接触网上大气过电压的计算方法,计算在各种情况下引起接触网闪络的雷电流幅值与概率,同时对无砟轨道线路接触网系统大气过电压问题提出了措施和建议。

Research purposes:Based on the lightning protection research of catenary at present,this paper analyzes the different lighting condition on catenary for ballastless track. Research results:This paper puts forward a calculation method about atmosphere overvoltage and calculates the lighting current amplitude and its probability of catenary flashover in different condition and presents the detailed proposals for further improvement.