摘要
本文综述了特高频、超声波及SF6气体成分分析等GIS设备局部放电带电检测技术的原理、现场应用及主要优缺点。对不同的定位方法进行对比分析,讨论了目前GIS局部放电带电检测技术存在的不足。提出了GIS局部放电带电检测技术现场应用的发展趋势。认为GIS局部放电在线监测及智能化带电检测是后续局部放电检测技术发展的重点及难点。
The principle of UHF, ultrasonic testing and gas composition analysis is reviewed, as well as advantages and disadvantages of field application. Different positioning methods are compared and analyzed. Moreover, existing problems of PD detection are discussed. Suggestions are proposed for guiding possible future applications in flied of PD detection. On-line monitoring and intelligent charging detection is key points and difficulties for the development of PD detection.
出处
《湖南电力》
2016年第2期9-13,共5页
Hunan Electric Power
关键词
特高频
超声波
局部放电
带电检测
定位技术
缺陷识别
ultra high frequency (UHF)
acoustic emission (AE)
partial discharge (PD)
live detection
positioning technology
defect recognition