GIS局部放电在线检测系统开发

Research on On-line Monitoring System of Partial Discharge for Gas Insulated Switchgear

介绍了一种使用外部天线检测气体绝缘开关装置(GIS)局部放电的方法,这种天线紧贴在绝缘支撑物的表面安装,可接受局部放电产生的电磁波信号。实验结果表明,该天线具有足够的带宽和较高的灵敏度,可用于局部放电的检测。

Using external antenna for detecting partial discharge in GIS is discussed in this paper. The antenna is fitted closely to the outer circumference of the insulation spacer and it can detect electromagnetic radiation of partial discharge. Results show that the sensor has good sensitivity and it can be used to detect the partial discharge signals in effective band, which is very useful for on-line detecting in GIS.