第三轨供电

本文阐述了DC1500V第三轨供电系统安全性设计、跨距布置原则、端部弯头技术、网轨转换技术等工程应用关键问题，与国内同行共同探讨及研究。

In order to discuss and study together with those people working in the same field , this article researches safety design of DC 1500V third rail system , span layout principle and elbow technology on terminals as well as transition technology from headspan to rigid system .

第三轨供电地铁车辆列车母线电路的设计

Design of train bus circuit for metro vehicles with third rail power supply

介绍了国外轨道交通用于第三轨供电的钢铝复合导电轨的性能和使用情况。

Effects of Working Conditions on the Microstructure and Properties of Steel-aluminum Electric Conducting Rods ;

下图展示了上触式及其它类型的第三轨供电系统。

The diagram above shows a top contact third rail system but there are other types as shown in this diagram .

但是对于第三轨供电系统，其特点与架空接触网系统差异较大，目前尚无成型的检测系统方案。

For overhead catenary suspension , its parameter detection system is mature , but for contact rail power supply system which has great difference in characteristic with overhead catenary system , there is no comparable detection system to refer .

这是一幅供电轨相对于走行轨位置的直流第三轨牵引供电系统图。

This diagram shows a DC3-Rail Traction System with the location of current rail in relation to the running rails .

城市轨道交通的发展对牵引供电网的结构形式提出了更高的要求，第三轨的供电方式将被广泛采用。

The higher requirements for traction power supply net are needed by the development of urban mass transit and the way of power supply by the third rail is widely used .

摘要：第三轨接触网供电系统广泛应用于城市轨道交通中，是城市轨道车辆的主要受流方式之一。

The third rail contact system is one of main current collection mode for urban rail vehicles , which is widely used in urban mass transit .

当同一线路上存在接触网与第三轨两种供电方式时，必须解决的技术问题就是列车多种受流方式的共存与转换。

When the two power supply mode , overhead contact line system and contact rail exist on the same line , the technical problem which has to be solved is the co-existance and interchange of several current collection .