轨道交通三级供电改两级供电可行性研究综述  

An Overview of Feasibility Study on Conversion of Three-level Power Supply to Two-level Power Supply for Rail Transit

作　　者：许捷墀 陆泓阳 田衡 Xu Jiechi;Lu Hongyang;Tian Heng

机构地区：[1]上海申通地铁集团有限公司 [2]中铁电气化勘测设计研究院有限公司 [3]中铁电气化局集团

出　　处：《隧道与轨道交通》2023年第4期32-34,69,共4页Tunnel and Rail Transit

摘　　要：随着35/0.4 kV变压器技术的日趋成熟,两级供电已成为轨道交通供电系统架构的首选。介绍了轨道交通供电系统现状,分析了三级供电的局限性,阐述了三级供电改为两级供电的方案设计及流程,可供类似工程参考。The medium-voltage power supply network of urban rail transit connects the upper-level main substation with the lower-level traction substation and step-down substation vertically,and it also connects each traction substation and step-down substation along the whole line horizontally,to deliver the electricity from the external power source to the electric equipment in the substation.With the increasing maturity of 35/0.4 kV transformer technology,the two-level power supply method has become the first choice of rail transit power supply system.The current status of the rail transit power supply system is introduced,and the limitations of the three-level power supply method and the design scheme of changing the three-level power supply to the two-level power supply are analyzed,which can be used as a reference for similar projects.

关 键 词：轨道交通 三级供电 两极供电 变压器技术 中压网络 

分 类 号：U231.8[交通运输工程—道路与铁道工程]