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...
高压电器  2015 

融冰期110 kV覆冰复合绝缘子电场仿真研究

, PP. 47-54

Keywords: 覆冰复合绝缘子,融冰闪络,电场,有限元法,仿真计算

Full-Text   Cite this paper   Add to My Lib

Abstract:

绝缘子的融冰闪络一直是影响电力系统安全运行的一个重要问题,目前国内外对于绝缘子的融冰闪络机理方面的研究还处在一个不断发展的阶段。笔者运用ANSYS12.0有限元仿真软件,建立110kV覆冰复合绝缘子二维轴对称模型,对绝缘子融冰水膜电导率、水膜厚度以及水膜存在水滴3个因素对电场分布的影响进行仿真分析。结果表明水膜电导率对于电场分布的影响会随着覆冰长度的增加而增大;水膜厚度的增加会进一步缩短空气间隙,导致冰棱尖端场强增大;水膜末端存在水滴对绝缘子沿面电场分布畸变的影响更大。

References

[1]  巢亚锋,黄福勇,蒋兴良,等. 500 kV输电线路绝缘子融冰闪络事故分析及应对措施研究[J]. 高压电器,2013,49(7):60-65. CHAO Yafeng,HUANG Fuyong,JIANG Xingliang,et al.Analysis and countermeasures of ice-melting flashover for ice-covered insulator strings of 500 kV transmission line[J]. High Voltage Apparatus,2013,49(7):60-65.
[2]  王少华. 输电线路典型覆冰事故及防治技术分析[J]. 高压电器,2010,46(10):85-89. WANG Shaohua. Analysis of typical ice accidents of transmission lines and preventing techniques[J]. High Voltage Apparatus,2010,46(10):85-89.
[3]  贾志东,李智宁,苏华锋,等. 110 kV玻璃绝缘子串交流覆冰的闪络特性[J]. 高电压技术,2011,37(5):1074-1081. JIA Zhidong,LI Zhining,SU Huafeng,et al. AC electric characteristics of the ice-covered 110 kV glass insulator strings[J]. High Voltage Engineering,2011,37(5):1074-1081.
[4]  贾雷亮. 输电线路融冰闪络分析与防范[J]. 电力设备,2007,8(5):49-51. JIA Leiliang. Analysis and countermeasures for melt ice and flashover on transmission line[J]. Electrical Equipment,2007,8(5):49-51.
[5]  FARZANEH M,ZHANG J,VOLAT C. Effect of insulator diameter on AC flashover voltage of an ice-covered insulator string[J]. IEEE Transactions on Dielectrics and Electrical Insulation,2006,13(2):264-271.
[6]  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. JIANG Xingliang,SHU Lichun,SUN Caixin. Numerical simulation of water droplet impingement on composite insulator surface and analysis of shed configuration[M]. Beijing: China Electric Power Press,2009.
[7]  VOLAT C,FARZANEH M. Three-dimensional modeling of potential and electric-field distributions along an EHV ceramic post insulator covered with ice-Part II: Effect of air gaps and partial arcs[J]. IEEE Transactions on Power Delivery,2005,20(3):2014-2021.
[8]  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.
[9]  FARZANEH M,VOLAT C,GAKWAYA A. Electric field modelling around an ice-covered insulator using boundary element method[C]//Conference Record of the 2000 IEEE International Symposium on Electrical Insulation.[S.l.];IEEE,2000:349-355.
[10]  CIGRE T F. 33 04 09.1999.Influence of ice and snow on the flashover performance of outdoor insulator:-Part I:Effects of ice[J]. Electra,1999(187): 91-111.
[11]  司马文霞,邵 进,杨 庆. 应用有限元法计算覆冰合成绝缘子电位分布[J]. 高电压技术,2007,33(4):21-25. SIMA Wenxia,SHAO Jin,YANG Qing. Calculation of potential distribution to 220 kV icing non-ceramic insulators by finete element method[J]. High Voltage Engineering,2007,33(4):21-25.
[12]  马 俊. 电场对输电线路绝缘子覆冰及放电特性的影响研究[D]. 重庆:重庆大学,2010. MA Jun. Influence of electrical stress on insulator’s icing and the discharge characteristic of iced insulator[D]. Chongqing:Chongqing University,2010.
[13]  黎卫国. 交流复合绝缘子覆冰电位电场仿真研究[D]. 广州:华南理工大学,2012. LI Weiguo. AC composite insulator icing potential field simulation[D]. Guangzhou: South China University of Technology,2012.
[14]  范晓雨,蒋兴良,陈 吉,等. 铝管雨凇冰柱尖端电场分布模型研究[J]. 电瓷避雷器,2013(4):44. FAN Xiaoyu,JIANG Xingliang,CHEN Ji,et al. Research on the model of glaze icicle apex electrical field distribution on surface of aluminum pipe[J]. Insulators and Surge Arresters,2013(4):44.
[15]  王黎明,廖永力,关志成. 紧凑型输电线路复合绝缘子轴向电场分布分析[J]. 高电压技术,2009,35(8):1862-1868. WANG Liming,LIAO Yongli,GUAN Zhicheng. Analysis of electric field distribution along the axis of composite insulators in compact transmission line[J]. High Voltage Engineering,2009,35(8):1862-1868.
[16]  关志成,刘 敏,王黎明,等. ±800 kV直流复合绝缘子正方形耐张串均压环设计[J]. 高电压技术,2010,36(6):1423-1428. GUAN Zhicheng,LIU Min,WANG Liming,et al. Design of grading rings for ±800 kV DC tension string with four composite insulators in rectangle form[J]. High Voltage Engineering,2010,36(6):1423-1428.
[17]  司马文霞,邓镓卓,卢 明,等. 复合绝缘子导线端串联玻璃绝缘子对其电场分布的改善[J]. 高电压技术,2010,36(7):1630-1637. SIMA Wenxia,DENG Jiazhuo,LU Ming,et al. Electric field distribution improvement of series connection of glass insulator to the high voltage end of composite insulator[J]. High Voltage Engineering,2010,36(7):1630-1637.
[18]  徐击水,张子蓬,王淑青,等. 基于GNBR算法的BP网络对绝缘子运行状态预测研究[J]. 电网与清洁能源,2013,29(6):6-9. XU Jishui,ZHANG Zipeng,WANG Shuqing,et al. Research on the prediction for the operating state of insulators using BP network based on GNBR algorithm[J]. Power System and Clean Energy,2013,29(6):6-9.
[19]  李长明,蒋兴良,李松林,等. 混合凇覆冰对导线表面场强影响研究[J]. 电瓷避雷器,2013(5):1-6. LI Changming,JIANG Xingliang,LI Songlin,et al. Research the influences of mixed-phase icing on surface field density of stranded conductor[J]. Insulators and Surge Arresters,2013(5):1-6.
[20]  黄 斌,徐姗姗,苏文宇. 输电线路覆冰研究综述[J]. 电瓷避雷器,2012(1):27-32. HUANG Bin,XU Shanshan,SU Wenyu. Summary of research on icing of transmission lines[J]. Insulators and Surge Arresters,2012(1):27-32.
[21]  杨 庆. 覆冰绝缘子沿面电场特性和放电模型研究[D].重庆:重庆大学,2006. YANG Qing. Research on the surface electric field and the flashover model of ice-cover HV insulators[D]. Chongqing:Chongqing University,2006.
[22]  CHEN Qiushi,KONRAD A. A review of finite element open boundary techniques for static and quasi-static electromagnetic field problems[J]. IEEE Transactions on Magnetics,1997,33(1):663-676.
[23]  徐志钮,律方成,李和明. 分离水珠对支柱绝缘子电场分布的影响[J]. 高电压技术,2010,36(9):2278-2284. XU Zhiniu,LYU Fangcheng,LI Heming. Influence of separated globules on post insulator electric field distribution[J]. High Voltage Engineering,2010,36(9):2278-2284.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133