电测与仪表2011，Vol.48Issue(8)：28-32,5.
基于暂态信号的配电网接地故障检测方法
The Method of Earth-Fault Detection in Distribution Network Based on Transient Signal
摘要
Abstract
Arming at the generating process and propagation characteristics of earth-fault transient signal, an earth fault location method for distribution network based on transient signal was presented. In the method, a resonant filter circuit was paralleled in line segment border, so that it could cause transient current energy differences in feature frequency band on both sides of detection device. The location method achieved earth-fault area location through comparing transient current energy in feature frequency band. A resonant filter device and an earth-fault location device were designed. The detection device was designed with GSM wireless network and parallel processing structure of FPGA and DSP, so that the real-time and reliability of the instrument were improved effectively. The test result showed that the instrument not only could select the faulty line effectively but also detect the earth-fault area rapidly and reliably in distribution network.关键词
配电网/暂态信号/FPGA+DSP/接地故障Key words
distribution network/ transient signal/ FPGA and DSP/ earth-fault分类
信息技术与安全科学引用本文复制引用
钟奕,李彩林,黄知超,刘木..基于暂态信号的配电网接地故障检测方法[J].电测与仪表,2011,48(8):28-32,5.基金项目
广西教育厅资助项目(2010101X118) （2010101X118）
