摘要
三轨供电产生杂散电流影响轨道结构,当轨道电位异常波动时,甚至危及行车安全。通过分析供电和轨道二个专业设计接口,简要介绍杂散电流及轨道电位产生的基本原理,结合工程实践,阐述轨道与供电设计接口的重要性,提出轨道杂散电流防护要求,并结合扣件和减振设计,提出优化措施,以提高安全储备,为今后工程设计提供参考。
Caused by third-rail power supply, the stray currents, which usually make influence on track structure, may not only result in abnormal fluctuation of track potential but even endanger traffic safety as well. Through analysis on the interface design between the two subjects of power supply and railway track, the authors introduce briefly the basic principles of the stray currents and the track potential. In addition, combining with specific projects, the authors expound the importance of the interface design between power supply and railway track, and suggest the requirements of protection system against the stray currents on track. Furthermore, combining with fastener design and vibration reduction design, the authors put forward some optimization measures in order to improve the safety margin and provide reference for project designs in future.
出处
《铁道标准设计》
北大核心
2013年第5期24-26,共3页
Railway Standard Design
关键词
城市轨道交通
轨道减振
扣件绝缘
杂散电流
轨电位
防护
urban rail transit
track vibration reduction
fastener insulation
stray current
trackpotential
protection
