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电网技术  2018, Vol. 42 Issue (8): 2630-2636    DOI: 10.13335/j.1000-3673.pst.2017.2216
  电力系统 本期目录 | 过刊浏览 | 高级检索 |
空间行波传感器的安装位置寻优
李泽文1, 谭木子1, 彭翰川2, 赵廷1, 杜昱东1
1.长沙理工大学 电气与信息工程学院,湖南省 长沙市 410114;
2.国网湖南省电力有限公司柘溪水力发电厂,湖南省 益阳市 413508
Study on Optimal Placement of Space Magnetic Field Traveling Wave Sensor
LI Zewen1, TAN Muzi1, PENG Hanchuan2, ZHAO Ting1, DU Yudong1
1. School of Electrical & Information Engineering, Changsha University of Science& Technology, Changsha 410014, Hunan Province, China;;
2. State Grid Zhexi Hydroelectric Power Station, Yiyang 413508, Hunan Province, China
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摘要 为了提高空间行波传感器对故障行波信号检测的可靠性与检测精度,提出了一种寻找空间磁场行波传感器最佳安装位置的方法。该方法以传感器检测点磁场分布的数学模型为基础,通过极坐标系形式对输电线路故障后的磁场变化情况进行分析,发现当检测点的磁场变化在极坐标系中表现为圆形时检测误差最小,据此在不同输电线路排列方式情况下分析计算了最佳检测点位置。仿真结果表明,在文中方法求取的最佳检测点位置能有效检测故障行波信号,检测可靠性高,对故障定位精度有较大提升,有望进一步推动行波技术的实际应用。
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李泽文
谭木子
彭翰川
赵廷
杜昱东
关键词:  输电线路  故障行波  磁场分析  传感器  安装位置    
Abstract: In order to improve reliability and accuracy of fault traveling wave signal detection, this paper proposed a method searching the best location of space traveling wave magnetic field sensor. This method is based on the mathematical model of testing point’s magnetic field distribution. Using polar coordinate system for transmission line fault analysis of magnetic field, it is found out that when testing point of magnetic field graphics is circular in polar coordinates, detection with minimum error is reached under different transmission line arrangements. Then the optimal testing point position is obtained accordingly based on analysis and calculation. Simulation results show that the proposed method calculating the best testing point location can effectively detect fault traveling wave signal with high reliability and small error. With this method practical application of traveling wave technology is expected to be promoted.
Key words:  transmission line    fault traveling wave    magnetic field analysis    sensor    optimal location
收稿日期:  2018-01-20                     发布日期:  2018-08-08      期的出版日期:  2018-08-05
ZTFLH:  TM721  
基金资助: 国家自然科学基金项目(51577013); 湖南省自然科学杰出青年基金(2015JJ1001)
作者简介:  李泽文(1975),男,博士,教授,主要从事电力系统保护与控制研究,E-mail:lzw0917@163.com;谭木子(1993),男,硕士,通信作者,主要从事电力系统保护与控制研究,E-mail:443743104@qq.com;彭翰川(1992),男,硕士,主要从事电力系统保护与控制研究,E-mail:hunckpeng@foxmail.com。
引用本文:    
李泽文, 谭木子, 彭翰川, 赵廷, 杜昱东. 空间行波传感器的安装位置寻优[J]. 电网技术, 2018, 42(8): 2630-2636.
LI Zewen, TAN Muzi, PENG Hanchuan, ZHAO Ting, DU Yudong. Study on Optimal Placement of Space Magnetic Field Traveling Wave Sensor. POWER SYSTEM TECHNOLOGY, 2018, 42(8): 2630-2636.
链接本文:  
http://www.dwjs.com.cn/CN/10.13335/j.1000-3673.pst.2017.2216  或          http://www.dwjs.com.cn/CN/Y2018/V42/I8/2630
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