地铁联络线供电回流模式转换方案设计
王键波陈青云吴炼
Conversion Scheme Design of Power Supply Return Mode for Metro Connection Lines
WANG JianboCHEN QingyunWU Lian
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作者信息:绍兴市轨道交通集团有限公司，312099，绍兴
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Affiliation:Shaoxing Rail Transit Group Co., Ltd., 312099，Shaoxing，China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2024.09.031
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中图分类号/CLCN:U224.2+6
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栏目/Col:研究报告
摘要:
［目的］用联络线连接的地铁线路间有可能采用不同的供电回流模式。为提高列车过轨效率，须在联络线内设置回流模式转换段，并对回流模式转换方案进行设计，设计方案应满足使用走行轨与回流轨回流的需求。［方法］以绍兴地铁1号线（以下简称“1号线”）、绍兴地铁2号线（以下简称“2号线”）一期工程为例，介绍了这2条线路的概况及联络线的具体情况。从运营条件、经济性、工程可实施性等方面，针对联络线内供电回流模式转换提出了3个设计方案（方案一、方案二及方案三），分别对这3个方案进行了优缺点分析。［结果及结论］推荐采用方案三。方案三不仅可以有效解决列车动力损失的问题，减小2条线路之间产生电气导通、迷流的可能性，还可以优化转线过轨流程，提高列车转线过轨效率。
Abstracts:
［Objective］ The metro lines connected by connection line may adopt different power supply current return modes. In order to improve the efficiency of train line transfer, it is necessary to set up the return mode conversion section within the connection line and design the return mode conversion scheme, which shall meet the demand of using the running rail and the return rail to return current. ［Method］ With Shaoxing Metro Line 1 (hereinafter referred to as "Line 1") and the first phase project of Shaoxing Metro Line 2 (hereinafter referred to as "Line 2") as examples, the overview of the two lines and details of the connection line are introduced. From the aspects of operation conditions, economy and engineering feasibility, three design schemes (Scheme 1, Scheme 2 and Scheme 3) for the power supply return mode conversion within the connection line are proposed, and their advantages and disadvantages are analyzed respectively. ［Result & Conclusion］ Scheme 3 is recommended. It can not only effectively solve the problem of train power loss, reduce the possibility of generating electrical conduction and foreign current between the two lines, but also optimize the train line transfer process and improve the efficiency.
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