复合绝缘子导通性缺陷对带电作业安全距离影响

doi:10.11930/j.issn.1004-9649.201811005

中国电力 ›› 2019, Vol. 52 ›› Issue (6): 134-139.DOI: 10.11930/j.issn.1004-9649.201811005

复合绝缘子导通性缺陷对带电作业安全距离影响

雷兴列¹, 李宇泽², 彭勇¹, 方玉群³, 潜力群³

1. 中国电力科学研究院有限公司电网环境保护国家重点实验室, 湖北武汉 430074;
2. 重庆大学电气工程学院, 重庆 400043;
3. 国网浙江省电力有限公司金华供电公司, 浙江金华 321017

收稿日期:2018-11-02 修回日期:2018-12-28 出版日期:2019-06-05 发布日期:2019-07-02
作者简介:雷兴列(1987-),男,工程师,从事输电线路运行维护、带电作业技术研究,E-mail:345854711@qq.com
基金资助:
国家电网公司科技项目（SGZJ0000KXJS1700295）。

Influence of Conductivity Defects of Composite Insulators on Live-Line Working Approach Distance

LEI Xinglie¹, LI Yuze², PENG Yong¹, FANG Yuqun³, QIAN Liqun³

1. State Key Laboratory of Power Grid Environmental Protection, China Electrical Power Research Institute, Wuhan 430074, China;
2. School of Electrical Engineering, Chongqing University, Chongqing 400043, China;
3. Jinhua Power Supply Company, State Grid Zhejiang Electric Power Company, Jinhua 321017, China

Received:2018-11-02 Revised:2018-12-28 Online:2019-06-05 Published:2019-07-02
Supported by:
This work is supported by Science and Technology Project of SGCC (No.SGZJ0000KXJS1700295).

摘要/Abstract

摘要： 长期运行的复合绝缘子容易出现老化、破损及芯棒碳化等缺陷，对其附近开展带电作业造成安全隐患。以500 kV 线路I串复合绝缘子为例，通过开展复合绝缘子不同导通性缺陷条件下间隙操作冲击放电试验，获得了相应工况下的放电特性，并结合带电作业绝缘配合方法，确定了500 kV 输电线路I型复合绝缘子导通性缺陷的位置及尺寸限制要求。试验研究结果表明，复合绝缘子导通性缺陷存在于高压端位置时，带电作业间隙的操作冲击放电电压更低，对带电作业的安全影响更大；为保证带电作业安全开展，当复合绝缘子高压端存在导通性缺陷时，绝缘子高压端允许最大导通性缺陷长度为0.7 m；当复合绝缘子中部存在导通性缺陷时，缺陷位于距离高压端约1/4串长处放电电压最低，允许绝缘子最大导通性缺陷长度为0.9 m。确定的复合绝缘子导通性缺陷位置及尺寸限制要求，可为输电线路复合绝缘子开展带电安全检修作业提供技术支撑，可指导带电作业前复合绝缘子的安全性检测工作。

关键词: 复合绝缘子, 导通性缺陷, 带电作业, 操作冲击放电, 安全距离

Abstract: The composite insulators are likely to have such defects as aging, damage and mandrel carbonization after a long-term operation, which could cause safety problem for its' live-line maintenance. In this paper, taking the I-series composite insulators of a 500 kV transmission line as an example, the discharge characteristics of the composite insulators under different conductivity defects are obtained through impulse discharge tests, and the location and size limitation requirements of the conductivity defects are determined through the insulation coordination method of live-line working. The testing results show that when the conductivity defect exists at the high-voltage end, the impulse discharge voltage of the gap is lower, which has a greater impact on the safety of live-line working; In order to ensure the safety of live-line working, when the conductivity defect exists at the high-voltage end of composite insulator, the maximum allowable length of conductivity defect is 0.7 m; when the conductivity defect exists in the middle of composite insulator, the discharge voltage is the lowest when defect exists at the position about 1/4 of the length of the insulator away from the high-voltage end, and the maximum allowable length of conductivity defect is 0.9 m. The location and size limitation requirements of the conductivity defects of composite insulators determined in this paper can provide a technical support for the safety of live-line overhaul working of composite insulators on transmission lines and guide the safety detection of composite insulators before live-line working.

Key words: composite insulator, conductivity defect, live-line working, operation impulse discharge, approach distance

中图分类号:

TM84

雷兴列, 李宇泽, 彭勇, 方玉群, 潜力群. 复合绝缘子导通性缺陷对带电作业安全距离影响[J]. 中国电力, 2019, 52(6): 134-139.

LEI Xinglie, LI Yuze, PENG Yong, FANG Yuqun, QIAN Liqun. Influence of Conductivity Defects of Composite Insulators on Live-Line Working Approach Distance[J]. Electric Power, 2019, 52(6): 134-139.

导出引用管理器 EndNote|Ris|BibTeX

链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.201811005

https://www.electricpower.com.cn/CN/Y2019/V52/I6/134

参考文献

[1] 陈原, 吴光亚, 叶廷路, 等. 发展工厂复合化绝缘子提高特高压电网配置质量[J]. 中国电力, 2017, 50(8):1-15, 157 CHEN Yuan, WU Guangya, YE Tinglu, et al. Development of factory-composited insulators for improving UHV grid configuration quality[J]. Electric Power, 2017, 50(8):1-15, 157
[2] 崔江流, 宿志一. 我国硅橡胶合成绝缘子的应用与展望[J]. 中国电力, 1999, 32(1):38-41 CUI Jiangliu, SU Zhiyi. The application and its prospect of silicon rubber composite insulators in China[J]. Electric Power, 1999, 32(1):38-41
[3] LIANG X D, LI S H. Looking to the future of composite insulators[C]//2015 World Congress on Insulators, Arresters & Bushings. Munich, Germany, 2015:18-21.
[4] LIANG X D, WANG J F. Review of 30 years development of silicone rubber insulators:the Chinese experience[C]//2013 World Congress on Insulators, Arresters & Bushings. Vancouver, Canada, 2013:9-11.
[5] 阎东, 卢明, 张柯, 等. 输电线路用复合绝缘子运行技术及实例分析[M]. 北京:中国电力出版社, 2008.
[6] 郑秋玮, 刘华钢, 邹建明, 等. ±500 kV兴安直流线路复合绝缘子积污特性[J]. 中国电力, 2015, 48(8):86-91 ZHENG Qiuwei, LIU Huagang, ZOU Jianming, et al. Contamination accumulating features of composite insulator of ±500 kV Xingren-Baoan HVDC transmission line[J]. Electric Power, 2015, 48(8):86-91
[7] 胡毅, 刘凯, 彭勇, 等. 带电作业关键技术研究进展与趋[J]. 高电压技术, 2014, 40(7):1921-1931 HU Yi, LIU Kai, PENG Yong, et al. Research status and development trend of live working key technology[J]. High Voltage Engineering, 2014, 40(7):1921-1931
[8] 刘艳敏, 王建军, 吴季浩, 等. 输配电线路带电作业仿真培训系统研发[J]. 电气应用, 2013, 32(S2):430-434 LIU Yanmin, WANG Jianjun, WU Jihao, et al. Development of simulation training system for live line operation of transmission and distribution lines[J]. Electrotechnical Application, 2013, 32(S2):430-434
[9] ILHAN S. A flashover performance of 380 kV V-strings with composite insulators under lightning and switching impulses[C]//IEEE Bucharest Power Tech Conference, Bucharest, Romania, 2009.
[10] CARREIRA A. Live-line maintenance with non-ceramic insulators[C]//IEEE PES ESMO 2006 Conference, Albuquerque, New Mexico, USA, October 18, 2006.
[11] CARREIRA A J. Live-line working of non-ceramic insulators[C]//11th International Conference on Live Maintenance, Budapest, Hungary, 2014.
[12] CARREIRA A J. Guidelines for establishing diagnostic procedures for live-line working of non-ceramic insulators[C]//IEEE Lightning & Insulator Subcommittee, Task Force, 2014.
[13] 王少华, 叶自强, 罗盛. 500 kV复合绝缘子断裂机理及检测方法[J]. 中国电力, 2011, 44(8):19-21 WANG Shaohua, YE Ziqiang, LUO Sheng. Fracture mechanism and defect detection methods of 500 kV composite insulators[J]. Electric Power, 2011, 44(8):19-21
[14] 党会学, 赵均海, 吴静. V形复合绝缘子力学特性研究[J]. 中国电力, 2016, 49(7):9-14 DANG Huixue, ZHAO Junhai, WU Jing. Characteristic study for wind age yaw analysis of V-shape composite insulator string[J]. Electric Power, 2016, 49(7):9-14
[15] 李鹏, 马斌, 刘道辉, 等. 紫外线老化对复合绝缘子硅橡胶憎水性的影响[J]. 中国电力, 2015, 48(3):80-83 LI Peng, MA Bin, LIU Daohui, et al. Influence of ultraviolet radiation aging on hydrophobicity of silicone rubber used for composite insulator[J]. Electric Power, 2015, 48(3):80-83
[16] 刘洋. 交流复合绝缘子老化性能试验研究[D]. 武汉:武汉大学, 2009.
[17] 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. Effect of internal defects on the electric field distribution of rod suspension composite insulators[J]. Insulators and Surge Arresters, 2014(2):16-20
[18] 高电压试验技术第一部分:一般试验要求:GB/T 16927. 1—1997[S]. 1997.
[19] Insulation coordination (part2):IEC 60071-2-0996[S]. 1996.
[20] KUBUKI M, YOSHIMOTO R, YOSHIZUMI K, et al. Estimation of DC break-down mechanisms in air gaps containing floating metallic particles[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 1997, 4(1):92-101.
[21] FAROUK A, RIZK M. Effect of floating conducting objects on critical switching impulse breakdown of air insulation[J]. IEEE Transactions on Power Delivery, 1995, 10(3):1360-1370.

复合绝缘子导通性缺陷对带电作业安全距离影响

Influence of Conductivity Defects of Composite Insulators on Live-Line Working Approach Distance

RichHTML

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 15

编辑推荐

Metrics

[1]	任明, 李乾宇, 夏昌杰, 董明. 基于稀疏光谱成像的线路复合绝缘子积污状态可视化评估[J]. 中国电力, 2025, 58(2): 203-215.
[2]	余光凯, 刘庭, 朱凯, 聂霖, 梁家凯. 特高压带电作业绝缘工具操作冲击放电特性及试验电极优化[J]. 中国电力, 2022, 55(8): 143-150.
[3]	马爱清, 王洁, 毕永翔. 500 kV交流线路对并行±800 kV直流线路带电作业人员安全防护的影响[J]. 中国电力, 2022, 55(6): 128-136.
[4]	雷兴列, 程登峰, 操松元, 彭勇, 夏令志. ±1100 kV接地极线路带电作业绝缘工具最小有效绝缘长度[J]. 中国电力, 2022, 55(4): 117-122.
[5]	朱凯, 方玉群, 余光凯. 特高压带电作业绝缘工器具试验电压优化及安全裕度[J]. 中国电力, 2021, 54(7): 132-140.
[6]	王思华, 王军军, 赵磊, 陈龙. 污秽成分对复合绝缘子表面电场的影响[J]. 中国电力, 2021, 54(7): 149-157.
[7]	王思华, 陈龙, 王军军, 赵磊. 复合绝缘子伞套老化状态模糊综合评估[J]. 中国电力, 2021, 54(5): 156-165.
[8]	高熠, 田联房, 杜启亮. 基于Mask R-CNN的复合绝缘子过热缺陷检测[J]. 中国电力, 2021, 54(1): 135-141.
[9]	李稳, 顾苏, 汪志刚, 周晨梦, 毛盾, 郑立. 基于ToF 技术的带电作业安全监测与预警系统[J]. 中国电力, 2020, 53(2): 63-68.
[10]	申巍, 高华, 张鹏, 左坤, 田毅, 杨文博, 袁正康. 高聚物复合绝缘子紫外老化性能研究[J]. 中国电力, 2019, 52(9): 73-78,85.
[11]	吴高林, 周庆, 肖前波, 胡建林, 毕茂强. 复合绝缘子污闪与冰闪特性及临界闪络电流研究[J]. 中国电力, 2019, 52(4): 59-65.
[12]	雷兴列, 彭勇, 肖宾, 刘庭, 刘凯, 张准. 交流特高压复合横担对带电作业安全影响[J]. 中国电力, 2019, 52(12): 54-61.
[13]	黄雄峰, 肖粲然, 张宇娇. 临近带电体作业设备报警装置研制[J]. 中国电力, 2018, 51(4): 1-6,14.
[14]	王康, 朱亚洲, 周辛南, 吴照国, 胡远翔. 运行复合绝缘子界面问题分析[J]. 中国电力, 2018, 51(4): 45-52.
[15]	赵美云, 吴阳, 赵新泽, 彭文昱, 习森明. 复合绝缘子积污腐蚀表面泄漏电流分析[J]. 中国电力, 2018, 51(2): 7-12,53.

模态框（Modal）标题

复合绝缘子导通性缺陷对带电作业安全距离影响

Influence of Conductivity Defects of Composite Insulators on Live-Line Working Approach Distance

RichHTML

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 15

编辑推荐

Metrics