[1]曾 俊,周 捷,孙建东,等.配电网消弧线圈接地系统单相接地故障定位[J].南京理工大学学报(自然科学版),2014,38(05):644-650.
 Zeng Jun,Zhou Jie,Sun Jiandong,et al.Experimental research on single phase grounding fault location in distribution network with arc suppression coil[J].Journal of Nanjing University of Science and Technology,2014,38(05):644-650.
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配电网消弧线圈接地系统单相接地故障定位
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
38卷
期数:
2014年05期
页码:
644-650
栏目:
出版日期:
2014-10-29

文章信息/Info

Title:
Experimental research on single phase grounding fault location in distribution network with arc suppression coil
作者:
曾 俊1周 捷1孙建东1夏燕东1周 俊1卜雄洙2
1.国电南瑞科技股份有限公司,江苏 南京 210061; 2.南京理工大学 机械工程学院,江苏 南京 210094
Author(s):
Zeng Jun1Zhou Jie1Sun Jiandong1Xia Yandong1Zhou Jun1Bu Xiongzhu2
1.NARI Technology Development Limited Company,Nanjing 210061,China; 2.School of Mechanical Engineering,NUST,Nanjing 210094,China
关键词:
配电网 消弧线圈 单相接地故障定位 零序电流突变量 谐波选线 单相接地试验平台
Keywords:
distribution network the arc suppression coil single phase grounding fault location zero-sequence current fault component harmonic line selection single phase grounding testing platform
分类号:
TM77
摘要:
针对配电网经消弧线圈接地系统单相接地故障定位困难的问题,该文分析了配电网经消弧线圈接地系统发生单相接地时零序电流特征量,提出了一种基于零序电流突变量和7次谐波选线技术的综合的配电网单相接地故障定位方法:在各线路出口及分支处安装馈线终端(FTU),独立测量零序电流突变量,并将FTU的单相接地定位结果与零序电流的7次谐波数据上送到配电网监控系统; 配电网监控系统综合比较FTU的定位结果与各馈线零序电流的7次谐波数据,给出具体的故障定位流程和判据。实验结果证明该方法能正确、可靠地实现故障区段的定位。
Abstract:
In order to solve the problem that the single phase grounding fault locating is difficult in the distribution network with the arc suppression coil,the characteristics of zero-sequence current are researched when the single phase grounding fault occurrs in distribution network for the arc suppression coil here.A single phase grounding fault location method in the distribution network based on the zero-sequence current fault component and the 7th harmonic line selection is proposed.The feeder terminal units(FTU)are installed at exits and branches of every line,and each FTU measures the zero-sequence current fault component independently.At the same time,the single phase grounding location result of FTU and the data of the 7th harmonic zero-sequence current are sent to distribution network monitoring system.After comparing the FTU result of the single phase grounding location and the data of the 7th harmonic zero-sequence current comprehensively,the single phase grounding accurate location is obtained,and the specific fault location flow chart and criterions are also given.Experimental results show that this method can identify the fault section correctly and reliably.

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备注/Memo

备注/Memo:
收稿日期:2013-09-21 修回日期:2013-10-21
作者简介:曾俊(1985-),男,硕士,工程师,主要研究方向:电力系统配电自动化,E-mail:zengjun@sgepri.sgcc.com.cn; 通讯作者:周捷(1969-),男,博士,教授级高级工程师,主要研究方向:电力系统配电自动化,E-mail:zhoujie@sgepri.sgcc.com.cn。
引文格式:曾俊,周捷,孙建东,等.配电网消弧线圈接地系统单相接地故障定位实验研究[J].南京理工大学学报,2014,38(5):644-650.
投稿网址:http://zrxuebao.njust.edu.cn
更新日期/Last Update: 2014-10-31