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| 电气化铁路沿线通信机房接地电阻在线监测系统的研究 | |
| 引用本文： | 窦小晶,安翠翠,朱海涛,张源斌,乌鹏涛,何卓,高磊. 电气化铁路沿线通信机房接地电阻在线监测系统的研究[J]. 电瓷避雷器, 2009, 0(1) |
| 作者姓名： | 窦小晶 安翠翠 朱海涛 张源斌 乌鹏涛 何卓 高磊 |
| 作者单位： | 1. 西北西安输变电运行公司,西安,710048 2. 西安交通大学电气工程学院,西安,710049 3. 西北兰州输变电运行公司,兰州,730050 |
| 摘 要： | 针对电气化铁路通信机房接地体的特殊运行环境受到的电磁干扰,设计了一套接地电阻在线监测系统。采用变频法测量接地电阻,将辅助电压极置于接地体与辅助电流极之间距离的0.59处,可以精确地测量接地电阻的大小,减少工作量;应用FIR滤波与FFT插值的抗干扰方案,使得沿线机房接地电阻在不断电的情况下实现精确的在线监测。应用该系统对电气化铁路通信机房接地电阻进行了现场实际测量,结果表明,该系统在电气化铁路强电磁干扰环境下能准确测量,可靠工作。 |
| 关 键 词： | 电气化铁路 接地电阻 在线监测 |
Study of On-line Grounding Resistance Monitoring System for Communication Substation along Electric Railway |
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| DOU Xiao-jing,AN Cui-cui,ZHU Hai-tao,ZHANG Yuan-bin,WU Peng-tao,HE Zhuo,GAO Lei. Study of On-line Grounding Resistance Monitoring System for Communication Substation along Electric Railway[J]. Insulators and Surge Arresters, 2009, 0(1) | |
| Authors: | DOU Xiao-jing AN Cui-cui ZHU Hai-tao ZHANG Yuan-bin WU Peng-tao HE Zhuo GAO Lei |
| Affiliation: | DOU Xiao-jing1,AN Cui-cui2,ZHU Hai-tao3,ZHANG Yuan-bin2,WU Peng-tao1,HE Zhuo1,GAO Lei1 |
| Abstract: | Aimed at electromagnetic interference occurring at grounding object in communication station of electric railway under specific service conditions,an on-line monitoring system was devel-oped.Using frequency converting technology,the accurate grounding resistance can be easily measured with a auxiliary voltage electrode installed at 0.59 times the distance between the grounding object and the auxiliary current electrode.Using the anti-interference solution with FIR filter and FFT interpola-tion,accurate on-l... |
| Keywords: | electric railway grounding resistance on-line monitoring |
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