[1]曾 周,李子先,董 威,等.基于随机森林的DC 600 V供电系统接地故障诊断方法研究[J].机车电传动,2020,(04):60-64.[doi:10.13890/j.issn.1000-128x.2020.04.012]
 ZENG Zhou,LI Zixian,DONG Wei,et al.Research on Grounding Fault Identification Method of DC 600 VPower Supply System Based on Random Forest[J].Electric Drive for Locomotives,2020,(04):60-64.[doi:10.13890/j.issn.1000-128x.2020.04.012]
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基于随机森林的DC 600 V供电系统接地故障诊断方法研究()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2020年04期
页码:
60-64
栏目:
研 究 开 发
出版日期:
2020-07-10

文章信息/Info

Title:
Research on Grounding Fault Identification Method of DC 600 VPower Supply System Based on Random Forest
文章编号:
1000-128X(2020)04-0060-05
作者:
曾 周1李子先2董 威3郭 建2蔡 杰2
(1. 国家能源投资集团朔黄铁路发展有限责任公司,河北 肃宁 062350;2. 株洲中车时代电气股份有限公司,湖南 株洲 412001;3. 中车青岛四方机车车辆股份有限公司,山东 青岛 266111)
Author(s):
ZENG Zhou1 LI Zixian2 DONG Wei3 GUO Jian2 CAI Jie2
( 1. Shuohuang Railway Development Co., Ltd., China Energy Investment Co., Ltd., Suning, Hebei 062350, China;2. Zhuzhou CRRC Times Electric Co., Ltd., Zhuzhou, Hunan 412001, China;3. CRRC Qingdao Sifang Co., Ltd., Qingdao, Shandong 266111, China )
关键词:
电力机车随机森林DC 600 V故障诊断接地故障
Keywords:
electric locomotive random forests DC 600 V fault diagnosis ground fault
分类号:
U264.5+6
DOI:
10.13890/j.issn.1000-128x.2020.04.012
文献标志码:
A
摘要:
为解决目前DC 600 V供电系统接地故障诊断方法只能诊断出较少的故障模式且通用性较差的问题,文章搭建了DC 600 V供电系统的仿真模型,对供电系统输入端接地、中间直流环节接地、输出端接地等多种故障模式进行了仿真分析,提取了故障波形的关键特征,并采用随机森林分类器方法解决了现有诊断方法通用性较差的问题。验证结果表明,该方法能准确诊断多种接地故障模式,且具有更好的通用性和可维护性。
Abstract:
In order to solve the problem that the current DC 600 V power supply system can only diagnose a few of fault modes and has poor universality, a simulation model of DC 600 V power supply system was built, and various fault modes of power supply system were analyzed, such as input terminal, intermediate circuit, output terminal grounding, etc.; The key features of fault waveform were selected and extracted, then the random forest classifier method was used to solve the problem that the existing diagnosis methods were not universal. The verification results show that the method can accurately diagnose multiple ground fault modes, and has better universality and maintainability.

参考文献/References:

[1] 郑志刚. 和谐客运电力机车DC 600 V列车供电系统接地研究[J]. 电子技术与软件工程, 2017(23): 235-236.

[2] 耿继晗, 滕振海, 赵长波, 等. 机客车DC 600 V供电系统绝缘保护功能优化[J]. 铁道机车车辆, 2016, 36(6): 54-56.
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[7] 董欢. 某型航空发动机中介轴承故障诊断技术研究[D]. 沈阳: 沈阳航空航天大学, 2017.
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备注/Memo

备注/Memo:
作者简介:曾 周(1981—),男,工程师,主要从事机车电气系统设计工作。
更新日期/Last Update: 2020-07-10