Influence of eddy current braking of high-speed train on track axle counter

JIA Zhenwei; SHEN Ping; GU Linzhu; ZHANG Dongsheng

doi:10.13890/j.issn.1000-128X.2022.01.003

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Influence of eddy current braking of high-speed train on track axle counter

High-speed Railway Column | 更新时间：2024-08-02

- Influence of eddy current braking of high-speed train on track axle counter
- Electric drive for locomotives Issue 1, Pages: 13-19(2022)
- 作者机构：
  
  1.北京交通大学电气工程学院，北京　100044
  2.南京中车浦镇海泰制动设备有限公司，江苏南京;211899
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2022.01.003
  CLC： U292.91⁺4
- Published：10 January 2022，
  
  Received：26 March 2021，
  
  Revised：28 May 2021，
- 稿件说明：
扫描看全文
JIA Zhenwei, SHEN Ping, GU Linzhu, et al. Influence of eddy current braking of high-speed train on track axle counter. [J]. Electric drive for locomotives (1):13-19(2022)
DOI：

JIA Zhenwei, SHEN Ping, GU Linzhu, et al. Influence of eddy current braking of high-speed train on track axle counter. [J]. Electric drive for locomotives (1):13-19(2022) DOI： 10.13890/j.issn.1000-128X.2022.01.003.

摘要

线性涡流制动由于其非黏着制动的特点，有望成为我国高速列车的新型制动方式。目前，涡流制动系统对既有线路轨道信号设备的电磁干扰缺乏相关研究，阻碍了该项技术的进一步应用。文章选取计轴器作为典型的轨道信号设备，在理论分析的基础上，采用ANSYS Maxwell和 Twin Builder分别建立涡流制动电磁系统与计轴器的仿真模型。基于Twin Builder平台对涡流制动系统模型和计轴器模型进行联合仿真，分析涡流制动系统对计轴器的电磁干扰。试验结果表明，涡流制动电磁系统模型的仿真结果与理论计算结果相符，在无涡流制动系统的列车通过时计轴器感应电压为8.94 mV，验证了所建立模型的正确性；在有涡流制动系统的列车通过时会在计轴器感应线圈中产生峰值约为50 mV的干扰电压，使计轴器的感应电压超过设定阈值，从而可能产生误判，导致轨道区段的占用情况不准确，影响行车安全。该联合仿真模型可以辅助设计涡流制动装置，从而推动其应用。

Abstract

Linear eddy current braking has the potential to become a new type of braking method for high-speed EMUs due to its non-adhesive braking characteristics. At present

there is a lack of relevant research on the electromagnetic interference of the eddy current braking system on the existing track signal equipment

which hinders the further application of this technology. In this paper

the axle counter was selected as a typical track signal device. On the basis of theoretical analysis

ANSYS Maxwell and Twin Builder were used to establish simulation models of eddy current brake electromagnetic system and axle counter respectively. Then

based on the Twin Builder platform

the eddy current brake system model and the axle counter model were jointly simulated to analyze the electromagnetic interference of the eddy current brake system to the axle counter. The experimental result shows that the simulation results of the eddy current brake electromagnetic system model are consistent with the theoretical calculation results. The inductance voltage of the axle counter is 8.94 mV when the train without the eddy current brake system passes

which verifies the correctness of the established model. The axle counter induction coil will generate an interference voltage with a peak value of about 50 mV when the train with an eddy current brake system passes. The interference may make the inductive voltage of the axle counter exceed the set threshold and cause misjudgment

resulting in the occupation situation of the track section is inaccurate

which affects driving safety. The co-simulation model can assist in the design of eddy current brake devices

thereby promoting its application.

关键词

涡流制动计轴器高速列车有限元分析联合仿真

Keywords

eddy current brakeaxle counterhigh-speed trainfinite element analysisco-simulation

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