Study on control method for fast neutral section passing of high-speed EMUs

LIU Jun

doi:10.13890/j.issn.1000-128X.2022.06.014

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Study on control method for fast neutral section passing of high-speed EMUs

Electric Traction and Control | 更新时间：2024-08-02

- Study on control method for fast neutral section passing of high-speed EMUs
- Electric drive for locomotives Issue 6, Pages: 95-102(2022)
- 作者机构：
  
  中国铁路沈阳局集团有限公司大连机车监造项目部，辽宁大连 116022
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2022.06.014
  CLC： U292.91⁺4
- Published：10 November 2022，
  
  Received：11 July 2022，
  
  Revised：11 October 2022，
- 稿件说明：
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LIU Jun. Study on control method for fast neutral section passing of high-speed EMUs. [J]. Electric drive for locomotives (6):95-102(2022)
DOI：

LIU Jun. Study on control method for fast neutral section passing of high-speed EMUs. [J]. Electric drive for locomotives (6):95-102(2022) DOI： 10.13890/j.issn.1000-128X.2022.06.014.

摘要

针对高速动车组采用传统车载过分相控制方式时存在的主断路器断开时间长、动力损失严重的问题，对高速动车组过分相过程与最佳合主断时机开展了研究，提出了一种基于网压幅值和相位信号融合的过分相控制方法，通过对过分相前后网压幅值与相位的变化判断高速动车组是否已通过分相区。为验证方法的有效性进行了半实物测试，测试数据表明在进入有电区后采用该方法能快速有效地识别出网压幅值与相位的变化，将高速列车过分相后的合主断路器时间有效提前，使得高速动车组过分相时间缩短25%以上。面对国内运力紧张与线路坡道复杂的现状，文章所提出的快速过分相方法可有效减少过分相过程中的动力损失和提升铁路运营效率，缓解客运高峰期的运量压力，具有较好的工程应用前景。

Abstract

This paper proposed a method to control neutral section passing based on the signal fusion of catenary voltage amplitude and phase

from a study on the neutral section passing process and optimal closing time for the vacuum circuit breaker on high-speed EMUs

to solve the downsides of the traditional control method for neutral section passing

i.e. a long vacuum circuit breaker disconnection duration and serious power loss. This method focused on the judgment whether a high-speed EMU has passed a neutral section depending on changes in the catenary voltage amplitude and phase. In order to verify the effectiveness of the proposed method

a semi-physical test was performed. Based on the test results

any changes in the catenary voltage amplitude and phase occurring when an EMU enters an electrified section can be quickly and effectively identified using the proposed method

so that the vacuum circuit breaker can be closed effectively ahead of time the EMU passes a neutral section

reducing the neutral section passing duration by more than 25%. Confronting the deficient railway capacity in China and the complicated track conditions

the method proposed in this paper can effectively reduce the power loss in the process of neutral section passing

so as to improve the efficiency of railway operation and relieve the traffic pressure during the peak period of passenger transportation

exhibiting a promising engineering application prospects.

关键词

高速动车组过分相自动过分相网压相位信息融合高速列车

Keywords

high-speed EMUneutral section passingneutral section auto-passingcatenary voltage and phaseinformation fusionhigh-speed train

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