电压类型对复合绝缘子覆冰及闪络特性的影响

Abstract
Figure/Table
References
Related Citation (15)

Download: PDF (736 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract In recent years, the AC energized icing of composite insulators have been studied by the researcher around the world much, but not much about the influence of DC voltage on composite insulators icing and flashover characteristics. This paper applies voltage 0kV, 10kV, 20kV, 30kV of different types to 35kV ice-covered composite insulators in the artificial climate chamber, compares the difference of composite insulator icing and flashover characteristics, studies the influence mechanism of voltage types, and explaineds the differences. Based on the test results, under the voltages of different types, there are great differences of icing and flashover characteristics. While in DC-, the bubbles inside the icicles of sheds are bigger than in AC and DC+conditions. The glaze density always decreases with the increasing of voltage. When the applied voltage is high enough, with the increasing of voltage, the glaze weight of composite insulator under DC- decreases quickly, while others decrease slowly. The DC icing flashover voltage is lowest while the applied voltage is DC-.

Key words： Composite insulator voltage type icing characteristics flashover characteristics

Received: 03 April 2013 Published: 13 April 2015

PACS:

TM852

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	Hu Qin
	Yuan Wei
	Shu Lichun
	Jiang Xingliang
	Wang Shijing

Cite this article:

Hu Qin,Yuan Wei,Shu Lichun等. Influence of Voltage Types on Composite Insulator Icing and Flashover Characteristics[J]. Transactions of China Electrotechnical Society, 2015, 30(3): 268-276.

URL:

http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2015/V30/I3/268

[1] 蒋兴良, 舒立春, 孙才新. 电力系统污秽与覆冰绝缘[M]. 北京: 中国电力出版社, 2009.
[2] 张志劲, 蒋兴良, 胡建林, 等. 覆冰程度对复合绝缘子直流覆冰闪络特性的影响[J]. 高电压技术, 2009, 35(10): 2545-2550. Zhang Zhijin, Jiang Xingliang, Hu Jianlin, et al. Influence of icing degree on DC icing flashover performance of composite insulator[J]. High Voltage Engineering, 2009, 35(10): 2545-2550.
[3] 张志劲, 蒋兴良, 马俊, 等. 工作电压下110kV交流绝缘子串覆冰特性研究[J]. 中国电机工程学报, 2006, 26(4): 140-143. Zhang Zhijin, Jiang Xingliang, Ma Jun, et al. Study on icing performance of 110kV insulator strings at AC service voltage[J]. Preceeding of the CSEE, 2006, 26(4): 140-143.
[4] 马俊, 蒋兴良, 张志劲, 等. 交流电场对绝缘子覆冰形成的影响机理[J]. 电网技术, 2008, 32(5): 7-11. Ma Jun, Jiang Xingliang, Zhang Zhijin, et al. Impact mechanism of AC electric field on formation of icing on insulators[J]. Power System Technology, 2008, 32(5): 7-11.
[5] 马俊, 蒋兴良, 张志劲, 等. 带电覆冰过程对盘形悬式绝缘子覆冰及电场特性的影响[J]. 高电压技术, 2010, 36(8): 1936-1941. Ma Jun, Jiang Xingliang, Zhang Zhijin, et al. Influence of the icing period with voltage on the icing and electric field of characteristics of impendent insulators [J]. High Voltage Engineering, 2010, 36(8): 1936- 1941.
[6] 蒋兴良, 孙利朋, 黄斌, 等. 交流电场对复合绝缘子覆冰过程的影响[J]. 电网技术, 2009, 33(4): 77-80. Jiang Xingliang, Sun Lipeng, Huang Bin, et al. Influence of AC electric field on ice-coating process of composite insulators[J]. Power System Technology. 2009, 33(4): 77-80.
[7] 司马文霞, 孙杨庆, 孙才新, 等. 基于有限元和神经网络方法对超高压合成绝缘子均压环结构优化的研究[J]. 中国电机工程学报, 2005, 25(17): 115-120. Sima Wenxia, Yang Qing, Sun Caixin, et al. Optimiz- ation of corona ring design for EHV composite insulator using finite element and neural network method[J]. Proceedings of the CSEE, 2005, 25(17): 115-120.
[8] Bequin P, Castor K, Scholten J. Electric Wind characterisation in negative point-to-plane corona discharges in air[J]. European Physical Journal Applied Physics, 2003, 22(1): 41-49.
[9] Jiang Xingliang, Shu Lichun. Chinese transmission lines’ icing characteristics and analysis of severe ice accidents[J]. International Journal of Offshore and Polar Engineering, 2004, 14(3): 196-201.
[10] Chiesa M, Melheim J A, Pedersen A, et al. Forces acting on water droplets falling in oil under the influence of an electric field: numerical predictions versus experimental observations[J]. European Journal of Mechanics B-Fluids, 2005, 24(6): 717-732.
[11] Ye Q Z, Li J, Yang H Y. A displaced dipole model for spheres in a non-uniform field[J]. Journal of Electro- statics, 2002, 56(1): 1-18.
[12] Jiang Xingliang, Yi Hui. Ice accretion on transmission lines and protection[M]. Beijing: China Power Press, 2002.
[13] Li Q, Fan Z, Wu Q, et al. Investigation of ice-covered transmission lines and analysis on transmission line failures caused by ice-coating in china[J]. Power System Technology, 2008, 32: 33-36.
[14] Phan L C, Matsuo H. Minimum flashover voltage of ice-covered insulators[J]. IEEE Transactions on Electrical Insulation, 1983, EI-18(6): 605-618.
[15] Fujimura T, Naito K. Performance of insulators covered with snow or ice[J]. IEEE Transactions on Power Apparatus and Systems, 1979, 98(5): 1621- 1631.
[16] 司马文霞, 武坤, 李立涅, 等. ±800kV线路直流复合绝缘子均压环结构研究[J]. 高电压技术, 2007, 33(11): 33-36. Sima Wenxia, Wu Kun, Li Licheng, et al. Optimiza- tion of corona ring design for ±800kV UHV DC transmission lines[J]. High Voltage Engineering, 2007, 33(11): 33-36
[17] 刘志民, 邱毓昌, 冯允平. 对绝缘子表面电荷积聚机理的讨论[J]. 电工技术学报, 1999, 14(2): 17-25. Liu Zhimin, Qiu Yuchang, Feng Yunping. The discussion about accumulation mechanism of surface charge on insulating spacer[J]. Transactions of China Electrotechnical Society, 1999, 14(2): 17-25.
[18] 张志劲, 蒋兴良, 孙才新, 等. 低气压下绝缘子串直流污闪放电过程[J]. 电工技术学报, 2009, 24(4): 30-35. Zhang Zhijin, Jiang Xingliang, Sun Caixin, et al. DC pollution flashover process for insulator string at low air pressure[J]. Transactions of China Electrotech- nical Society, 2009, 24(4): 30-35.
[19] 卫李静, 王伯时, 汪忆新, 等. 均压环对复合绝缘子电场分布影响的研究[J]. 高压电器, 2006, 42(4): 262-267. Wei Lijing, Wang Baishi, Wang Yixing, et al. Effects of shielding rings on the electric field distributions of composite insulator[J]. High Voltage Apparatus, 2006, 42(4): 262-267.
[20] 汪沨, 邱毓昌, 张乔根, 等. 冲击电压作用下影响表面电荷积聚过程的因素分析[J]. 电工技术学报, 2001, 16(5): 51-54. Wang Feng, Qiu Yuchang, Zhang Qiaogen, et al. Analysis of factors influence charge accumulation on insulator surface under impulse voltage[J]. Transactions of China Electrotechnical Society, 2001, 16(5): 51-54.
[21] Makkonen L, Phan L C. Estimating intensity of atmospheric ice accretion on stationary structures[J]. Journal of Applied Meteorology, 1981, 20(10): 595- 600.
[22] 蒋兴良, 易辉. 输电线路覆冰及防护[M]. 北京: 中国电力出版社, 2002.
[23] Volat C, Farzaneh M. Three-dimensional modeling of potential and electric-field distributions along an EHV ceramic post insulator covered with ice—Part I: simulations of a melting period[J]. IEEE Transactions on Power Delivery, 2005, 20(3): 2006-2013.
[24] 粟福珩, 贾逸梅, 王均谭, 等. 500kV 绝缘子串的人工雾淞覆冰和放电试验[J]. 中国电机工程学报, 1999, 19(2): 75-78. Su Fuheng, Jia Yimei, Wang Juntan, et al. Artificial rime covering and discharge tests of 500kV insulator string[J]. Proceedings of the CSEE, 1999, 19(2): 75-78.
[25] Shu L, Sun C. AC flashover performance of iced insulators under pressure and pollution condition[C]. Proceedings of the 8th International Symposium on High Voltage Engineering, Yokohama, Japan, 1993, 3: 1-4.