Research on Automatic Location and Protection of Grounding Fault for High-speed EMU Drive System

Dawei LIANG; Chunlei ZHANG; Jiangwei ZHOU

doi:10.13890/j.issn.1000-128x.2020.04.006

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Research on Automatic Location and Protection of Grounding Fault for High-speed EMU Drive System

Test & Detection Technology | 更新时间：2021-12-10

- Research on Automatic Location and Protection of Grounding Fault for High-speed EMU Drive System
- Electric Drive for Locomotives Issue 4, Pages: 26-32(2020)
- 作者机构：
  
  1.中车青岛四方车辆研究所有限公司　电气事业部，山东　青岛　266031
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2020.04.006
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Dawei LIANG, Chunlei ZHANG, Jiangwei ZHOU. Research on Automatic Location and Protection of Grounding Fault for High-speed EMU Drive System. [J]. Electric Drive for Locomotives (4):26-32(2020)
DOI：

Dawei LIANG, Chunlei ZHANG, Jiangwei ZHOU. Research on Automatic Location and Protection of Grounding Fault for High-speed EMU Drive System. [J]. Electric Drive for Locomotives (4):26-32(2020) DOI： 10.13890/j.issn.1000-128x.2020.04.006.

摘要

为了提升高速动车组在发生牵引系统接地故障时的可用性，减小售后人员排查故障的难度，提出一种自动定位接地点的方法。该方法结合电压型接地检测电路和电流型接地检测电路，通过软件实现自动定位接地点并能自动切除接地部件的功能。试验表明，该方法能通过软件自动定位接地位置，并能根据不同接地点自动执行不同级别的保护，提高了列车的可用性和处理接地故障的效率，为后续动车组的可维护性设计提供参考。

Abstract

In order to improve the availability of EMUs in the event of a grounding fault in the traction system, and reduce the difficulty of troubleshooting for after-sales personnel, a method for automatically locating the ground point was proposed, this method combined voltage type grounding dection circuit and current type grounding dection circuit, which could realize the function of automatically locating the ground point and automatically removing the grounding part through software. The verification showed that the method in this paper could automatically locate the grounding positions, and automatically perform different levels of protection according to different grounding positions through software, which improved the availability of the train and greatly improved the efficiency of dealing with grounding fault, and provided a reference for the design of subsequent EMUs.

关键词

高速动车组接地故障电阻分压法接地电流法故障诊断

Keywords

high-speed EMUgrounding faultdivided resistance methodground current dection methodfault diagnosis

references

陈立胜, 严罡. 交流传动电力机车主电路接地故障的检测、定位及对策分析[J]. 电力机车与城轨车辆, 2013, 36(3): 84-86.

孙国斌, 杨其林, 马法运. 轨道交通车辆变流系统接地故障检测机制的研究[J]. 铁道车辆, 2018, 56(7): 1-4.

徐培刚, 彭军华, 罗铁军. HXD1C 型机车主电路接地故障分析[J]. 机车电传动, 2013 (3): 103-107.

李伟, 郭晓燕, 张波. “和谐”系列电力机车传动系统接地检测比较[J]. 机车电传动, 2010 (6): 67-69.

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