Research on Lightning Coupling Rule of the Equipment Port of Maglev Train

Jianying LIANG; Shi XIAO; Fujie JIANG

doi:10.13890/j.issn.1000-128x.2020.06.001

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Research on Lightning Coupling Rule of the Equipment Port of Maglev Train

Maglev Technology Column | 更新时间：2021-12-09

- Research on Lightning Coupling Rule of the Equipment Port of Maglev Train
- Electric Drive for Locomotives Issue 6, Pages: 1-5(2020)
- 作者机构：
  
  1.中车青岛四方机车车辆股份有限公司，山东　青岛　266111
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2020.06.001
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Jianying LIANG, Shi XIAO, Fujie JIANG. Research on Lightning Coupling Rule of the Equipment Port of Maglev Train. [J]. Electric Drive for Locomotives (6):1-5(2020)
DOI：

Jianying LIANG, Shi XIAO, Fujie JIANG. Research on Lightning Coupling Rule of the Equipment Port of Maglev Train. [J]. Electric Drive for Locomotives (6):1-5(2020) DOI： 10.13890/j.issn.1000-128x.2020.06.001.

摘要

与传统轮轨列车相比，磁浮列车由于没有接触网防护，更易受到雷击，严重时会造成车载设备损坏，影响列车行驶安全。为了分析雷电对磁浮列车的间接效应，建立了磁浮列车三维模型，采用CST仿真软件的传输线矩阵法研究雷击情况下磁浮列车内部线缆的耦合规律。仿真研究结果表明，不同类型的线缆有不同的耦合特性，屏蔽电缆和非屏蔽电缆上的感应电流具有明显差异；随着磁浮列车内部非屏蔽线缆与车体底部距离的增大，线缆长度的增大，非屏蔽电缆感应电流呈现增大的趋势。该方法可有效地模拟磁浮列车遭受雷击后引起的线缆耦合间接效应，为进一步研究磁浮列车雷电间接效应防护技术奠定了基础。

Abstract

Compared with the traditional wheel-rail train, the maglev train is more vulnerable to lightning strikes due to the lack of contact net protection. In severe cases, it will cause damage to the vehicle-mounted equipment and affect the safety of the train. In order to analyze the indirect effect of lightning on maglev train, the 3D model of maglev train was established, and the CST transmission-line matrix method was used to study the coupling law of cables inside the maglev train under lightning strike. The simulation research result showed that different types of cables had different coupling characteristics, and the induced current on the shielded cable and the unshielded cable was obviously different. With the increase of the distance between the unshielded cable and the bottom of the vehicle, and the increase of the length of the cable, the induced current of the unshielded cable showed an increasing trend. The proposed method could effectively simulate the indirect effects of cable coupling caused by lightning strikes on maglev trains, and laid a foundation for further research on the protection technology of indirect lightning effects of maglev trains.

关键词

磁浮列车传输线矩阵法间接效应线缆耦合数值仿真

Keywords

maglev traintransmission-line matrix methodindirect effectcable couplingnumerical simulation

references

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