Study on Dynamic Characteristics of Metro Stray Current Based on CDEGS

机译：基于CDEGS的地铁杂散电流动态特性研究

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摘要

In this paper, a stray current dynamic distribution model was established by Current Distribution, Electromagnetic Field, Grounding and Soil Structure Analysis (CDEGS) software. The rectangle cut-and-cover model is based on a practical construction in Shijiazhuang Metro Line 3. It showed the dynamic distribution of conductor-to-earth voltage and stray current under constant-current-strategy condition and target-speed-strategy condition. The traction current of the former one is changeless, but the later one should take into account passenger comfort and operational efficiency. The simulation results give several conclusions: Traction operation strategy and locomotive position have great impacts on the distribution of voltage and current. Through the analysis of various parameters, some efficient measures can be used to avoid the overvoltage condition and serious metal corrosion.

机译：本文通过电流分布，电磁场，接地和土壤结构分析（CDEGS）软件建立了杂散电流动态分布模型。矩形切合模型基于石家庄地铁3号线的实际施工。该模型显示了在恒定电流策略和目标速度策略条件下导体对地电压和杂散电流的动态分布。前者的牵引力是不变的，但后者的牵引力应考虑乘客的舒适度和运营效率。仿真结果给出了以下结论：牵引运行策略和机车位置对电压和电流的分布影响很大。通过分析各种参数，可以采取一些有效措施来避免过压情况和严重的金属腐蚀。

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来源
《Proceedings of the 3rd international conference on electrical and information technologies for rail transportation: transportation》|2017年|571-578|共8页
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作者
Mingjie Liu; Sheng Lin; Liping Zhao; Xiaohong Lin; Liang Chen;
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作者单位

School of Electrical Engineering, Southwest Jiaotong University, Chengdu, China;

School of Electrical Engineering, Southwest Jiaotong University, Chengdu, China;

School of Electrical Engineering, Southwest Jiaotong University, Chengdu, China;

School of Electrical Engineering, Southwest Jiaotong University, Chengdu, China;

School of Electrical Engineering, Southwest Jiaotong University, Chengdu, China;

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原文格式 PDF
正文语种 eng
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关键词
Stray current; CDEGS; Target-speed-strategy; Corrosion;

机译：杂散电流CDEGS；目标速度策略；腐蚀;

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1. Dynamic Stray Current Evaluations on Cut-and-Cover Sections of DC Metro Systems [J] . Charalambous C.A., Aylott P. Vehicular Technology, IEEE Transactions on . 2014,第8期

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2. Evaluation of metro stray current corrosion based on finite element model [J] . Cai Zhichao, Hao Cheng . 2019,第16期

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3. Virtual reality research of the dynamic characteristics of soft soil under metro vibration loads based on BP neural networks [J] . Kai Cui, Xiaotong Qin Neural computing & applications . 2018,第5期

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4. Study on Dynamic Characteristics of Metro Stray Current Based on CDEGS [C] . Mingjie Liu, Sheng Lin, Liping Zhao, International conference on electrical and information technologies for rail transportation: transportation . 2018

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Study on Dynamic Characteristics of Metro Stray Current Based on CDEGS

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