中国电力2018，Vol.51Issue(4)：53-60,8.DOI:10.11930/j.issn.1004-9649.20160145
基于超声波诊断的GlS设备异常分析方法
Analytical Method of GIS Faults Based on Ultrasonic Diagnosis
周电波 1丁登伟 1盖世诚 2贾志杰 1王杰 1马小敏 1姚陈果3
作者信息
- 1. 国网四川省电力有限公司电力科学研究院,四川 成都 610072
- 2. 国网四川省电力有限公司 检修公司,四川成都 610042
- 3. 重庆大学 输配电装备及系统安全与新技术国家重点实验室,重庆 400030
- 折叠
摘要
Abstract
To improve on-site detection efficiency of partial discharge of gas insulated switchgear (GIS), a study is made in this paper on the analytical methods of GIS fault based on ultrasonic diagnosis. According to plenty of data collected on site, the time domain and phase distribution features of ultrasonic signals of typical GIS partial discharge are analyzed, and the differences in time domain features and frequency domain distribution between partial discharge signals and mechanical vibration signals are identified. The paper also studies the application of the joint ultrasonic and electromagnetic wave localization method, the ultrasonic time-delay localization method, and the ultrasonic wavelet time-frequency localization method in on-site GIS partial discharge detection. The detecting results indicate that the proposed methods are reliable in accuracy and correctness.关键词
超声波/GIS/局部放电/时域特征/频域分布/定位方法Key words
ultrasonic/gas insulated switchgear/partial discharge/time domain features/frequency domain distribution/localization method分类
信息技术与安全科学引用本文复制引用
周电波,丁登伟,盖世诚,贾志杰,王杰,马小敏,姚陈果..基于超声波诊断的GlS设备异常分析方法[J].中国电力,2018,51(4):53-60,8.
