GIS套管放电性缺陷带电检测分析

Analysis of on-line detection of GIS bushing discharge fault

本文介绍了GIS套管常见的放电性缺陷,以及带电检测方法和原理,分析了放电性缺陷产生的原因。结合一起GIS套管外部放电性缺陷,利用红外测温、超声波法和特高频法进行了综合诊断,并对缺陷部位、缺陷原因和治理措施进行了分析。

This paper introduces the common discharge defects of gas insulated switchgear （ GIS ） bushing , on-line detection methods and principles, and analyzes the causes of discharge defects. According to a GIS bushing external discharge defect, this paper uses comprehensive diagnosis of infrared , ultrasonic and ultra high frequency （ UHF ） , and analyzes defective parts , the causes of defects and preventive methods .