Identification and response strategy for pantograph-catenary contact loss in high-speed railway

LIU Yang; LI Shuichang; WANG Yongxiang; YIN Zhenhuan; MA Chi; CHENG Long

doi:10.13890/j.issn.1000-128X.2024.02.021

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Identification and response strategy for pantograph-catenary contact loss in high-speed railway

Health and Diagnosis | 更新时间：2024-08-02

- Identification and response strategy for pantograph-catenary contact loss in high-speed railway
- Electric Drive for Locomotives Issue 2, Pages: 171-177(2024)
- 作者机构：
  
  1.中国铁道科学研究院集团有限公司机车车辆研究所，北京 100081
  2.北京纵横机电科技有限公司，北京 100094
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2024.02.021
  CLC： U292.91⁺4;U225.3
- Published：10 March 2024，
  
  Received：27 November 2023，
  
  Revised：01 March 2024，
- 稿件说明：
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刘洋, 李水昌, 王永翔, 等. 高速铁路弓网离线在线识别及应对策略[J]. 机车电传动, 2024(2): 171-177.

LIU Yang, LI Shuichang, WANG Yongxiang, et al. Identification and response strategy for pantograph-catenary contact loss in high-speed railway[J]. Electric drive for locomotives,2024(2): 171-177.
刘洋, 李水昌, 王永翔, 等. 高速铁路弓网离线在线识别及应对策略[J]. 机车电传动, 2024(2): 171-177. DOI：10.13890/j.issn.1000-128X.2024.02.021.

LIU Yang, LI Shuichang, WANG Yongxiang, et al. Identification and response strategy for pantograph-catenary contact loss in high-speed railway[J]. Electric drive for locomotives,2024(2): 171-177. DOI：10.13890/j.issn.1000-128X.2024.02.021.

摘要

电气化铁路车辆运行过程中，受电弓与接触网之间的短暂分离（即弓网离线）易引发过电流问题，产生安全隐患、影响铁路运营秩序。文章基于既有动车组牵引电传动系统，介绍其主电路结构及网侧整流器的控制方法，分析弓网离线对系统的影响，着重研究弓网离线后恢复接触时产生过电流问题的原因，提出弓网离线在线快速识别及应对策略。文章搭建了包含电弧模型的牵引电传动系统全数字实时仿真模型，首先通过与实测波形对比证明模型的准确性，然后基于该模型验证文中提出的弓网离线在线识别及应对策略。

Abstract

Transient disconnection between pantographs and catenaries during train operation on electrified railways

known as pantograph-catenary contact loss

can cause issues like over-current

creating safety hazards and consequential disruptions to operational order. This paper introduces the main circuit structure and control method of grid-side rectifiers of the prevailing traction electric drive systems for EMU. The analysis investigated the system impacts of pantograph-catenary contact loss

emphasizing the reasons for over-current occurrences during contact recovery

leading to the establishment of a rapid online identification method and a response strategy. Following developing a full-digital real-time simulation model of the electric drive systems for traction

which includes an arc model

accuracy verification was conducted firstly through waveform comparisons with actual measurements. This model was subsequently used to verify the proposed identification method and response strategy for pantograph-catenary contact loss.

关键词

高速铁路弓网离线牵引系统电弧四象限高速动车组

Keywords

high-speed railwaypantograph-catenary contact losstraction systemarcfour-quadranthigh-speed EMU

references

中国国家铁路集团有限公司工电部. 铁路接触网[M]. 北京: 中国铁道出版社, 2022.

China National Railway Group Co., Ltd., Industrial and Electrical Department. Railway contact network[M]. Beijing:

China Railway Publishing House Co., Ltd., 2022.

LIN Fei, WANG Xiaofan, YANG Zhongping, et al. Analysis of electrical characteristics of the four-quadrant converter in high speed train considering pantograph-catenary arcing[J]. Proceedings of the institution of mechanical engineers, part F: journal of rail and rapid transit, 2017, 231(2): 185-197.

王赛, 杨中平, 林飞. 弓网离线对高速列车牵引电机输出转矩的影响研究[C]//中国高校电力电子与电力传动学术年会组织委员会. 第七届中国高校电力电子与电力传动学术年会论文集. 上海: 上海交通大学电力传输与功率变换控制教育部重点实验室, 2013: 198-205.

WANG Sai, YANG Zhongping, LIN Fei. Research on the influence of pantograph-catenary offline on the output torque of high speed train traction motor[C]//Organizational Committee of the Academic Annual Conference on Power Electronics and Power Transmission in Chinese Universities. Proceedings of the 7th Academic Annual Conference on Power Electronics and Power Transmission in Chinese Universities. Shanghai: Key Laboratory of Power Transmission and Power Conversion Control of Shanghai Jiao Tong University, Ministry of Education, 2013: 198-205.

王智勇, 郭凤仪, 冯晓丽, 等. 基于电流信号特征的弓网电弧识别方法[J]. 电工技术学报, 2018, 33(1): 82-91.

WANG Zhiyong, GUO Fengyi, FENG Xiaoli, et al. Recognition method of pantograph arc based on current signal characteristics[J]. Transactions of china electrotechnical society, 2018, 33(1): 82-91.

张钢, 郭尝君, 郝峰杰, 等. 动车组网压中断快速检测及应对策略[J]. 电工技术学报, 2019, 34(增刊2): 770-778.

ZHANG Gang, GUO Changjun, HAO Fengjie, et al. The rapid detection and countermeasures for network voltage interruption in electric multiple units[J]. Transactions of China electrotechnical society, 2019, 34(Suppl 2): 770-778.

沈泓, 陈东, 付刚. 高速动车组网压中断检测及优化措施研究[J]. 机车电传动, 2020(5): 153-156.

SHEN Hong, CHEN Dong, FU Gang. Research on detection and optimization measures of high-speed EMU power network voltage interruption[J]. Electric drive for locomotives, 2020(5): 153-156.

王波. 弓网电弧对车载变压器的影响研究[D]. 成都: 西南交通大学, 2012.

WANG Bo. Research on the influence of pantograph-catenary arc on traction transformer[D]. Chengdu: Southwest Jiaotong University, 2012.

黄昌萍. 弓网离线对高速列车的影响分析[D]. 成都: 西南交通大学, 2013.

HUANG Changping. Effect of contact loss between the pantogragh and catenary on the high-speed train[D]. Chengdu: Southwest Jiaotong University, 2013.

王瑾. 弓网离线时牵引变压器直流偏磁及其抑制方法研究[D]. 北京: 北京交通大学, 2014.

WANG Jin. Research on DC magnetic bias and suppressing method of traction transformer during disconnection of pantograph-catenary system[D]. Beijing: Beijing Jiaotong University, 2014.

张婷婷. 高速列车弓网电弧的特性及其对牵引传动系统的影响[D]. 成都: 西南交通大学, 2018.

ZHANG Tingting. Characteristic of pantograph arcing for the high-speed train and its influence on traction drive system[D]. Chengdu: Southwest Jiaotong University, 2018.

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