[1]范 敏,汪 佳,黄海波,等.带电检测技术应用于真型开关柜局部放电试验研究[J].高压电器,2019,55(07):235-241.[doi:10.13296/j.1001-1609.hva.2019.07.034 ]
 FAN Min,WANG Jia,HUANG Haibo,et al.Application of Online Detection in Partial Discharge Test of True Switchgear[J].High Voltage Apparatus,2019,55(07):235-241.[doi:10.13296/j.1001-1609.hva.2019.07.034 ]
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带电检测技术应用于真型开关柜局部放电试验研究()
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《高压电器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第55卷
期数:
2019年07期
页码:
235-241
栏目:
技术讨论
出版日期:
2019-07-15

文章信息/Info

Title:
Application of Online Detection in Partial Discharge Test of True Switchgear
作者:
范 敏1 汪 佳2 黄海波3 毛文奇3
(1. 国网湖南省电力有限公司电力科学研究院, 长沙 410007; 2. 中国能源建设集团湖南省电力设计院有限公司, 长沙 410007; 3. 国网湖南省电力有限公司, 长沙 410004)
Author(s):
FAN Min1 WANG Jia2 HUANG Haibo3 MAO Wenqi3
(1. State Gird Hunan Electric Power Corporation Limited Research Institute, Changsha 410007, China; 2. China Energy Engineering Group Co., Ltd., Hunan Electric Power Design Institute Corporation Limited, Changsha 410007, China; 3. State Gird Hunan Electric Power Corporation Limited, Changsha 410004, China)
关键词:
带电检测 开关柜 局部放电 典型图谱 灵敏度
Keywords:
online detection switch cabinet partial discharge representative map sensibility
DOI:
10.13296/j.1001-1609.hva.2019.07.034
摘要:
目前开关柜带电检测数据为间接量、经验性较强,易造成缺陷误判。为此基于真型开关柜搭建了缺陷模拟试验装置,利用该装置模拟开关柜中常见的针板放电、悬浮放电、沿面放电缺陷,比对超声波检测法(AE)、暂态地电压检测法(TEV)、特高频检测法(UHF)与脉冲电流法(PC),获取了放电典型图谱和带电检测信号-局放量关系,得到了不同缺陷下超声波检测和特高频检测灵敏度相当但大于暂态地电压检测灵敏度,为开展开关柜带电检测定量分析奠定了基础。
Abstract:
The most data of online detection are indirect state and strong experience, so they cause the erroneous judgement of defect easily. Therefore, this paper set up defect simulation test device based on real switch cabinet and simulated pin-to-plate discharge, suspension discharge, surface discharge. Through the comparison of acoustic emission, transient earth voltages, ultra high frequency and pulse current, the law of these discharge is found, the typical map of discharge and the relationship between online detection signal and partial discharge are obtained. It is also gained that the sensibility of acoustic emission and ultra high frequency is similar, and more than transient earth voltages. These finds lay the foundation for quantitative analysis of online detection.

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备注/Memo

备注/Memo:
范 敏(1987—),男,高级工程师,主要从事高压开关试验和带电检测技术研究工作。收稿日期:2018-11-08; 修回日期:2019-01-14
更新日期/Last Update: 2019-07-15