摘要
高速铁路较常速铁路钢轨电位急剧升高,必须采取有效措施降低钢轨电位,以保障人身和设备安全。用Matlab/Simulink建立了牵引供电系统钢轨电位分析模型。在不同技术参数和工况下,将增大泄漏电导、增设钢轨与保护连接线、增设保护线接地等降低钢轨电位的方法应用到仿真模型中研究钢轨电位的分布规律。根据仿真结果分析评估了各种降低钢轨电位方法的效果。
In view of the fact that the rail potential in high-speed railway is much higher than that, in common railways, it is necessary to adopt effective measures to decrease rail potential in high-speed railway to ensure human safety and equipment security, A model to analyze rail potential in traction supply system is built by Matlab/Simulink. Under various technical parameters and working conditions, the measures to decrease rail potential such as enlarging leakage conductance, adding connector of protective wire and grounding protective wire are added into the simulation model to research the distribution law of rail potential, Based on the results of simulation, the effects of these measures in decreasing rail potential are analyzed and assessed.
出处
《电网技术》
EI
CSCD
北大核心
2011年第3期80-84,共5页
Power System Technology
基金
国家自然科学基金项目(50878188)
教育部新世纪优秀人才支持计划资助项目(NCET-06-0799)~~
关键词
高速铁路
AT供电系统
钢轨电位
仿真分析
high-speed railway
autotransformer feeding system
rail potential
simulation analysis
