电工技术学报  2019, Vol. 34 Issue (12): 2657-2663    DOI: 10.19595/j.cnki.1000-6753.tces.180140
高电压与绝缘 |
电动汽车高压系统绝缘状态在线监测方法
张超1, 杜博超1, 崔淑梅1, 郑维2, 韩守亮2
1. 哈尔滨工业大学电气工程系 哈尔滨 150001;
2. 郑州宇通客车股份有限公司 郑州 450061
Online Insulation Detection of Electric Vehicle High Voltage System
Zhang Chao1, Du Bochao1, Cui Shumei1, Zheng Wei2, Han Shouliang2
1.Department of Electrical Engineering Harbin Institute of Technology Harbin 150001 China;
2. Zhengzhou Yutong Bus Co. Ltd Zhengzhou 450061 China
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摘要 为了提高电驱动系统的高压安全性,设计适用于电驱动系统的在线绝缘电阻监测装置。对该装置在电驱动系统运行过程中产生共模干扰的原因进行分析,并提出能够在线提取绝缘电压特征量的连续零矢量状态绝缘电阻检测法,解决在电驱动系统运行过程中受到电磁干扰而无法进行绝缘监测的问题,实现在静态和动态两种情况下高压系统与车体之间绝缘性能的监测。通过实验验证了该方法的抗干扰能力且具有较高的检测准确度,对于保证电驱动系统的高压安全起到了重要作用。
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关键词 绝缘电阻在线监测高压安全特征量提取    
Abstract:For the high voltage safety of electric drive system, an online insulation detection device is designed in this paper. Based on the influence analysis of common mode interference during the electric drive system operation, a continuous zero-vector insulation resistance detection method is proposed to extract insulation voltage online to solve the problem that the traditional insulation resistance detection method fails to monitor the insulation performance due to electromagnetic interference. The proposed method can implement the detection of insulation performance between the high voltage circuit and the car body in static and dynamic situations. The experimental results demonstrate that this method has anti-interference ability and high detection accuracy, which plays an important role in ensuring the high voltage safety of electric drive system.
Key wordsInsulation resistance    detection online    high voltage safety    feature extraction   
收稿日期: 2018-01-26      出版日期: 2019-06-28
PACS: TM341  
基金资助:国家重点研发计划-高性能高可靠轻量化电机技术及产业化研究(2017YFB0102400)资助项目
通讯作者: 崔淑梅 女,1964年生,教授,博士生导师,研究方向为电动汽车驱动控制。E-mail: cuism@hit.edu.cn   
作者简介: 张超 男,1985年生,博士研究生,研究方向为电动汽车驱动控制。E-mail: zhangchao9900@163.com
引用本文:   
张超, 杜博超, 崔淑梅, 郑维, 韩守亮. 电动汽车高压系统绝缘状态在线监测方法[J]. 电工技术学报, 2019, 34(12): 2657-2663. Zhang Chao, Du Bochao, Cui Shumei, Zheng Wei, Han Shouliang. Online Insulation Detection of Electric Vehicle High Voltage System. Transactions of China Electrotechnical Society, 2019, 34(12): 2657-2663.
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