特高频与超声波局放检测技术在GIS悬浮电位缺陷诊断中的应用

Application of UHF and Ultrasonic Partial Discharge Detection Technology in GIS Floating Potential Defect Detection

根据一起典型的GIS悬浮电位局部放电缺陷,阐述局部放电检测应用技术、故障精确定位方法及缺陷检修验证过程。检测结果证明,特高频与超声波局部放电检测技术用于发现GIS设备内部缺陷不仅高效、精确,而且可操作性强,适宜全面推广应用。

In this paper,based on the typical floating potential partial discharge,the application technology of partial discharge detection,fault precise location and the verification process of defect location were introduced.Test results proved that the partial discharge detection technology using UHF and ultrasonic sensor was effective,accurate and operable to detect the internal defects of the equipment in GIS and the method was suitable for comprehensive popularization and application.