全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于电磁波频谱的棒形悬式复合绝缘子内部缺陷放电检测方法

DOI: 10.16188/j.isa.1003-8337.2015.06.010, PP. 43-49

Keywords: 棒形悬式复合绝缘子,内部缺陷放电,故障模拟,电场分布,电磁波频谱,幅频特性

Full-Text   Cite this paper   Add to My Lib

Abstract:

分析了棒形悬式复合绝缘子绝缘内部缺陷放电的故障形成机理及过程,依据发展不同时期的严重程度,提出相应的故障模拟方法。通过仿真计算绝缘子高压端及故障位置的电场畸变情况,验证故障模拟方法的可靠性。测量不同故障状态下棒形悬式复合绝缘子故障放电辐射的电磁波频谱,得出不同故障放电的幅频特性。同时通过紫外成像仪观察故障处的放电光子数,对比不同严重程度内部故障情况下的放电情况。试验结果证明,通过检测棒形悬式复合绝缘子加电压时缺陷处辐射电磁波的幅频特性,可以判断绝缘是否发生故障及故障的严重程度,为线路巡检故障棒形悬式复合绝缘子提供了新的方法。

References

[1]  谢从珍,刘珊,刘芹,等. 交流500kV复合绝缘子内部缺陷对轴向电场分布的影响[J]. 高电压技术,2012(4):922-928. XIE Congzhen,LIU Shan,LIU Qin,et al. Internal Defect Influence of 500 kV AC Composite Insulator on the Electric Field Distribution Along the Axis[J]. High Voltage Engineering,2012(4):922-928.
[2]  王家福,高岩峰,梁曦东. 复合绝缘子芯棒在表面微电流作用下的水解[J]. 高电压技术,2014(3):843-852. WANG Jiafu,GAO Yanfeng,LIANG Xidong. Hydrolysis of composite insulator core in condition of micro surface current[J]. High Voltage Engineering,2014(3):843-852.
[3]  宋伟,赵林杰,李成榕,等. 复合绝缘子在线检测技术的发展[J]. 高电压技术,2005(5):28-30. SONG Wei,ZHAO Linjie,LI Chengrong. Online detection methods of composite insulator[J]. High Voltage Engineering,2005(5):28-30.
[4]  谢从珍,张尧,郝艳捧,等. 应用超声波探伤仪检测复合绝缘子的内部缺陷[J]. 高电压技术,2009(10):2464-2469. XIE Congzhen,ZHANG Xiao,HAO Yanpeng,et al. Application of Ultrasonic Flaw to Internal Defects in Composite Insulators[J]. High Voltage Engineering,2009(10):2464-2469.
[5]  谢从珍,袁超,何子兰,等. 复合绝缘子典型内部缺陷的相控阵检测[J]. 高电压技术,2014(3):837-842. XIE Congzhen,YUAN Chao,HE Zilan,et al. Ultrasonic phased array to inspect typical internal defects of composite insulators[J]. High Voltage Engineering,2014(3):837-842.
[6]  VOLAT C,JABBARI M,FARZANEH M. New method for in live-line detection of small defects in composite insulator based on electro-optic E-field sensor[J]. IEEE Transactions on Dielectrics and Electrical Insulation,2013,20(1):194-201.
[7]  关志成,陈原. 硅橡胶合成绝缘子的憎水性使用寿命的研究[J]. 高电压技术,1998(1):6-8. GUAN Zhicheng,CHEN Yuan. Hydrophobicity life span of silicone rubber composite insulators[J]. High Voltage Engineering,1998(1):6-8.
[8]  姚陈果,王建,冉启华,等. 采用 LED 光纤传感器的绝缘子串泄漏电流测量方法[J]. 高电压技术,2012(3):544-552. CHEN Yaoguo,WANG Jian,RAN Qihua,et al. Measurement method for leakage current of insulator string applying LED optical fiber sensor[J]. High Voltage Engineering,2012(3):544-552.
[9]  朱宏林,刘微粒,邹晓兵,等. 基于Kerr效应的绝缘子表面电场在线测量系统[J]. 高电压技术,2011(3):718-725. ZHU Honglin,LIU Weili,ZOU Xiaobing,et al. System for online measuring electric field on insulator surface based on kerr effect[J]. High Voltage Engineering,2011(3):718-725.
[10]  刘君华,徐敏骅,黄成军,等. 局部放电电磁波在GIS中的衰减特性[J]. 电工技术学报,2010(8):52-58. LIU Junhua,XU Minhua,HUANG Chengjun,et al. Investigation on the attenuation characteristics of electromagnetic waves in GIS[J]. Transactions of China Electrotechnical Society,2010(8):52-58.
[11]  应伟国,周松尧. 500 kV棒形悬式复合绝缘子芯棒脆断的预防措施[J]. 电瓷避雷器,2004(6):9-11. YING Weiguo,ZHOU Songxiao. Precaution for composite rod of 500 kV against rod brittle fracture[J]. Insulators an Surge Arresters,2004(6):9-11.
[12]  赵晓辉,路秀丽,杨景刚,等. 超高频方法在变压器局部放电检测中的应用[J]. 高电压技术,2007(8):111-114. ZHAO Xiaohui,LU Xiuli,YANG Jinggang,et al. Application of ultra-high-frequency partial discharge detection in power transformers[J]. High Voltage Engineering,2007(8):111-114.
[13]  余长水,周立波,黄晓明,等. 进口500 kV复合绝缘子断裂原因分析与研究[J]. 电瓷避雷器,2009(5):9-14,20. YU Changshui,ZHOU Libo,HUANG Xiaoming,et al. Analysis and study on fracture causes of imported 500 kV composite insulator[J]. Insulators and Surge Arresters,2009(5):9-14,20.
[14]  刘晓伟,张雪峰,刘春翔,等. 棒形悬式复合绝缘子内部缺陷对电场分布的影响[J]. 电瓷避雷器,2014(2):16-20. LIU Xiaowei,ZHANG Xuefeng,LIU Chunxiang,et al. Influence on internal defects in sod suspension composite Insulators on electric field distribution[J]. Insulators an Surge Arresters,2014(2):16-20.
[15]  卢明,马晓久,阎东,等. 复合绝缘子芯棒脆断原因分析[J]. 电瓷避雷器,2007(4):1-4. LU Ming,MA Xiaojiu,YAN Dong,et al. Analysis on causes of brittle fracture of composite insulator cores[J]. Insulators and Surge Arresters,2007(4):1-4.
[16]  盛梦周. 电力变压器局部放电超高频检测方法的研究[D]. 华中科技大学,2006. SHRNG Mengzhoul. Research on UHF method for PD detection in power transformer[D]. Huazhong University of Science & Technology,2006.
[17]  律方成,刘杰,石鹏,等. 复合绝缘子故障检测方法的有效性分析[J]. 高压电器,2013(5):95-100. LV Fangcheng,LIU Jie,SHI Peng,et al. Experimental research on composite insulator fault detection[J]. High Voltage Apparatus,2013(5):95-100.
[18]  XIDONG L,SHAOWU W,JU F,et al. Development of composite insulators in China[J]. Dielectrics and Electrical Insulation, IEEE Transactions on,1999,6(5):586-594.
[19]  毛凤麟,王雪松. 复合绝缘子均压环对电场分布的影响[J]. 高电压技术,2000(4):40-42. MAO Fengling,WANG Xuesong. Effects of grading ring of polymer insulator on the field distribution[J]. High Voltage Engineering,2000(4):40-42.
[20]  陈原,刘燕生,沈健,等. 复合绝缘子隐蔽性缺陷检测方法[J]. 电网技术,2006(12):58-63. CHEN Yuan,LIU Yansheng,SHEN Jian,et al. Inner-defect detection method for composite insulators[J]. Power System Technology,2006(12):58-63.
[21]  文华,周文俊,唐泽洋,等. 基于紫外成像技术的110 kV输电线路复合绝缘子融冰闪络预警方法及判据[J]. 高电压技术,2012(10):2589-2595. WEN Hua,ZHOU Wenjun,TANG Zeyang,et al. Ice-melting flashover prewarning method and criterion of composite insulator on 110 kV transmission lines based on ultraviolet imaging technology[J]. High Voltage Engineering,2012(10):2589-2595.
[22]  王祖林,黄涛,刘艳,等. 合成绝缘子故障的红外热像在线检测[J]. 电网技术,2003(2):17-20. WANG Zulin,HUANG Tao,LIU Yan,et al. On-line inspection of defective composite insulators by infrared temperature measurement[J]. Power System Technology,2003(2):17-20.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133