高速铁路接触网导线动态抬升量研究

唐阳

doi:10.13890/j.issn.1000-128X.2024.04.021

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高速铁路接触网导线动态抬升量研究

铁道电气化 | 更新时间：2024-09-12

- 高速铁路接触网导线动态抬升量研究
- Research on dynamic uplift of contact wires in high-speed railway
- 机车电传动 2024年第4期页码：171-180
- 作者机构：
  
  中铁建电气化局集团南方工程有限公司，湖北武汉 430000
- 作者简介：
  
  唐　阳，男，高级工程师，主要从事电气化铁路牵引供电方面的研究；E-mail: 345050200@qq.com
- 基金信息：
  
  国家铁路集团有限公司科技研究开发计划项目(N2023G057);中国铁建股份重大课题(2021-A01)
- DOI：10.13890/j.issn.1000-128X.2024.04.021
  中图分类号： U238;U225
- 纸质出版日期：2024-07-10，
  
  收稿日期：2024-01-19，
  
  修回日期：2024-04-29，
- 稿件说明：
移动端阅览
唐阳. 高速铁路接触网导线动态抬升量研究[J]. 机车电传动, 2024(4): 171-180.

TANG Yang. Research on dynamic uplift of contact wires in high-speed railway[J]. Electric drive for locomotives,2024(4): 171-180.
唐阳. 高速铁路接触网导线动态抬升量研究[J]. 机车电传动, 2024(4): 171-180. DOI：10.13890/j.issn.1000-128X.2024.04.021.

TANG Yang. Research on dynamic uplift of contact wires in high-speed railway[J]. Electric drive for locomotives,2024(4): 171-180. DOI：10.13890/j.issn.1000-128X.2024.04.021.

摘要

为了通过高速铁路线路整体接触导线抬升量数据研究弓网系统动态性能，文章建立了4种典型高铁线路的接触网模型和3种高速受电弓的三自由度归算参数模型，并利用罚函数法模拟弓网关系，建立弓网耦合模型，仿真计算接触线定位器抬升量在不同运行速度、不同运行方向下的变化。随后，文章提出一种基于随机森林算法的定位点智能识别分类方法，将接触线拉出值拐点作为定位点，结合现有的接触网几何参数检测数据，采用随机森林算法，将投票结果作为最终定位点判断标准，建立分类模型，优化定位点数据，并对接触线抬升量动态静态实测数据进行预处理、定位点优化、数据空间同步后，得到连续的接触线抬升量。研究结果表明，在速度170~350 km/h内4种典型线路定位器最大抬升量随列车运行速度的提升而增大；在300 km/h开口运行条件下，SSS400+受电弓的定位器动态最大抬升量小于法维莱CX-018与DSA380受电弓，最大抬升量在61.17~81.44 mm；在接触网参数确定的前提下，受电弓闭口方向运行时接触线平均抬升量要高于开口方向运行。

Abstract

This paper aims to study the dynamic behaviors of the pantograph-catenary system for high-speed railway lines

focusing on the overall uplift data of contact wires. To achieve this

models of overhead contact systems (OCS) were established for four typical high-speed railway systems

along with three-degree-of-freedom models with reduction parameters for three types of high-speed pantographs. Moreover

the penalty function method was introduced to simulate pantograph-catenary interactions

leading to the establishment of a pantograph-catenary coupling model that was then utilized to simulate uplift changes of contact wire steady arms under different operating speeds and directions. Subsequently

an intelligent locating point recognition and classification method was proposed

based on the random forest algorithm. By using the inflection points of contact wire staggers as locating points

and leveraging existing detection data for the geometric parameters of the overhead contact systems

the voting results from the random forest algorithm were considered standards for determining the final locating points. Furthermore

a classification model was established to optimize the locating point data. After preprocessing the data obtained from the dynamic and static measurements of contact wire uplift

optimizing the locating points

and performing data spatial synchronization

continuous contact wire uplifts were ultimately generated. The research results indicate that the maximum uplift of the four typical steady arms increases with the increase in train operating speeds within the range of 170 km/h to 350 km/h. Under the conditions of 300 km/h and pantograph opening operation

the dynamic maximum uplift of steady arms for SSS400+ pantographs is smaller than that for the Faiveley CX-018 and DSA380 pantographs. The maximum uplifts ranged from 61.17 mm to 81.44 mm. Under specific OCS parameters

the average uplift of the contact wires during operation in the pantograph closing direction is higher than that during operation in the opening direction.

关键词

高速铁路接触网导线抬升数据采集弓网耦合高速列车有限元法

Keywords

high-speed railwayoverhead contact system (OCS)contact wire upliftdata collectionpantograph-catenary couplinghigh-speed trainfinite element method

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