Research on power supply system and vehicle selection for urban express railway
Urban express railway is a passenger rail transit line within the metropolitan area of a large city,which plays a crucial role in building a comprehensive three-dimensional rail transit network.The research on power supply system and vehicle selection is of utmost importance in the planning and construction of urban rapid rail transit projects,and it is necessary to comprehensively consider various factors such as network connection mode,functional positioning,resource sharing,speed target,and the impact on engineering construction and operation and maintenance costs.For interconnection and through operation lines,it is necessary to maintain consistency or compatibility in terms of line conditions,technical standards,etc.,and meet the conditions for through operation.For independently operated lines,it is necessary to focus on analyzing the impact of power supply systems and vehicle selection on engineering construction and operation and maintenance costs,make reasonable choices to improve the technical and economic benefits of the project.Based on the above theories,this article carries out corresponding research on the power supply system and vehicle selection of urban express railway,so as provide certain reference and a case to build on for the planning and construction of subsequent urban express railway projects.
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