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 

绝缘子串上污秽物对电压分布的影响

DOI: 10.13296/j.1001-1609.hva.2015.09.018, PP. 103-108

Keywords: 绝缘子,污闪,电压分布,准静态谐分析,有限元法

Full-Text   Cite this paper   Add to My Lib

Abstract:

绝缘子串表面污秽分布不同,影响绝缘子串电压分布。用有限元法,在ANSYS软件中建立污秽绝缘子串三维模型,改变污层位置、污秽参数等条件模拟不同污秽物分布形式,采用准静态谐分析法研究污秽分布对污秽绝缘子串电压分布的影响。计算结果表明均匀湿润污秽绝缘子串电压分布比洁净绝缘子串均匀,周向分布不均的污秽绝缘子串湿润后两侧电位分布不一致,而两端污秽较重的绝缘子串中间部位分布电压最高;污秽干燥时对绝缘子串电压分布影响甚小。

References

[1]  关志成,王绍武,梁曦东,等.我国电力系统绝缘子污闪事故及其对策[J]. 高电压技术,2000, 26(6):37?鄄39. GUAN Zhicheng, WANG Shaowu, LIANG Xidong, et al. Application and prospect of polymeric outdoor insulation in China[J]. High Voltage Engineering, 2000, 26(6): 37?鄄39.
[2]  崔江流,宿志一,车文俊,等.2001年初东北、华北和河南电网大面积污闪事故分析[J]. 电力设备,2001, 2(4):6?鄄20. CUI Jiangliu, SU Zhiyi, CHE Wenjun, et al. Investigation analysis on large areas pollutant flashover faults in Northeast, North China and Henan power networks in early 2001[J]. Electrical Equipment, 2001, 2(4): 6?鄄20.
[3]  ZHOU Wenjun, MING Liu, LIU S, et al. On the mechanism of insulator cleaning using dry ice[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2012, 19(5): 1715?鄄1722.
[4]  贺 博,林 辉.高压绝缘子污闪过程特征量的分类和判别[J]. 高压电器,2006, 42(5):172?鄄175. HE Bo, LIN Hui. Clustering and discriminating of typical characteristics of high voltage contaminated insulator during flashover[J]. High Voltage Apparatus, 2006, 42(3): 172?鄄175.
[5]  宿志一.防止大面积污闪的根本出路是提高电网的基本外绝缘水平――对我国电网大面积污闪事故的反思[J]. 中国电力,2003, 36(12):57?鄄61. SU Zhiyi. To intensify basic external insulation level of power system?鄄fundamental way for prevention of large?鄄scale pollution flashover[J]. Electric Power, 2003, 36(12): 57?鄄61.
[6]  李恒真, 刘 刚, 李立?. 绝缘子表面自然污秽成分分析及其研究展望[J]. 中国电机工程学报, 2011, 31(16): 128?鄄137. LI Hengzhen, LIU Gang, LI Licheng. Study status and prospect of natural contamination component on insulator surface [J]. Proceedings of the CSEE, 2011, 31(16): 128?鄄137.
[7]  汪 涛,欧其和,吴江虹,等.用盐密指导高压输电线路清扫的试验研究[J]. 电网技术,2004, 28(4):22?鄄26. WANG Tao, OU Qihe, WU Jianghong, et al. Test and research on cleaning of high voltage transmission line based on salt density[J]. Power System Technology, 2004, 28(4): 22?鄄26.
[8]  YAMADA K, HAYASHI A, SAKA C, et al. Improvement of contamination flashover voltage performance of cylindrical porcelain insulators[C]// 2008 IEEE International Symposium on Electrical Insulation.[S.l.]:IEEE, 2008: 69?鄄72.
[9]  周志成,何俊佳,陈俊武,等.均压环改善绝缘子串电压分布研究[J]. 高电压技术,2006, 32(11):45?鄄48. ZHOU Zhicheng, HE Junjia, CHEN Junwu, et al. Research on improving the voltage distribution of the insulator string by voltage balance slices[J]. High Voltage Engineering, 2006, 32(11): 45?鄄48.
[10]  肖代波,张 鑫.复合绝缘子三种不同染污方法的比较[J]. 高压电器,2011, 47(2):48?鄄52. XIAO Daibo, ZHANG Xin. Comparison on three different pollution methods of composite insulators[J]. High Voltage Apparatus, 2011, 47(2): 48?鄄52.
[11]  黄 欢,蒋兴良,罗利云,等.超、特高压直流线路瓷和玻璃绝缘子污闪特性研究[J]. 高压电器,2008, 44(5):424?鄄427. HUANG Huan, JIANG Xingliang, LUO Liyun, et al. Pollution flashover performances porcelain and glass insulators intended for EHV/ UHV DC transmission line[J]. High Voltage Apparatus, 2008, 44(5): 424?鄄427.
[12]  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?鄄264. WEI Lijing, WANG Baishi, WANG Yixin, et al. Effects of shielding rings on the electric field distributions of composite insulator[J]. High Voltage Apparatus, 2006, 42(4): 262?鄄264.
[13]  蒋兴良,黄 斌,苑吉河,等.电网络法计算交流特高压绝缘子串电压分布[J]. 高电压技术,2008, 34(1):7?鄄10. JIANG Xingliang, HUANG Bin, YUAN Jihe, et al. Calculation of voltage distribution along insulator strings of UHV AC transmission line by electric?鄄network method[J]. High Voltage Engineering, 2008, 34(1): 7?鄄10.
[14]  徐志钮,律方成,李和明,等.绝缘子电场有限元分析法的影响因素及其优化[J]. 高电压技术,2011, 37(4):944?鄄951. XU Zhiniu, LYU Fangcheng, LI Heming, et al. Influencing factors of insulator electric field analysis by finite element method and its optimization[J]. High Voltage Engineering, 2011, 37(4): 944?鄄951.
[15]  ILHAN S, OZDEMIR A, JAYARAM S H, et al. AC and transient electric field distributions along a 380 kV V?鄄string insulator[C]//2012 IEEE International Symposium on Electrical Insulation (ISEI). [S.l.]:IEEE, 2012: 399?鄄403.
[16]  苏 蔚.户外绝缘子污秽不均匀分布下电场有限元分析[D]. 沈阳:沈阳工业大学,2012. SU Wei. Finite element analysis of electric field of outdoor insulator under pollution un?鄄uniform distribution[D]. Shenyang: Shenyang University of Technology,2012.
[17]  高 博,张亚婷,王清亮,等.污秽不均匀性对绝缘子电场的影响[J]. 电瓷避雷器,2008(3):13?鄄16. GAO Bo, ZHANG Yating, WANG Qingliang, et al. Effect of pollution non?鄄uniformity on electric field of contaminated insulator[J]. Insulators and Surge Arresters, 2008(3): 13?鄄16.
[18]  王仲奕,王 琪,陈 青.染污复合绝缘子交流电场特性研究[J]. 高压电器,2010, 46(4):25?鄄30. WANG Zhongyi, WANG Qi, CHEN Qing. Research on the AC electric?鄄field distribution along contaminated polymer insulators[J]. High Voltage Apparatus, 2010, 46(4): 25?鄄30.
[19]  王月清, 华 光. 电磁场与电磁波导论[M]. 北京:电子工业出版社,2009. WANG Yueqing, HUA Guang. Electromagnetic fields and waves theory[M]. Beijing: Publishing House of Electronics Industry,2009.
[20]  龚宇清. 500 kV户外绝缘子染污下电场有限元分析[J]. 中国新技术新产品, 2009(19): 17?鄄21. GONG Yuqing. Finite element analysis of electric field of 500 kV outdoor insulator under pollution[J]. China New Technologies and Products, 2009(19): 17?鄄21.
[21]  徐志钮,律方成,李和明.干燥带对染污支柱绝缘子电场分布的影响[J]. 高电压技术,2011, 37(2):276?鄄283. XU Zhiniu, LYU Fangcheng, LI Heming. Influence of dry band on electric field distribution of polluted post insulator[J]. High Voltage Engineering, 2011, 37(2): 276?鄄283.
[22]  黄 成,王泽忠,刘姜玲.用虚拟材料参数法计算含有电位悬浮导体的电场分布[J]. 现代电力,2004, 21(1):55?鄄59. HUANG Cheng, WANG Zezhong, LIU Jiangling. Calculation of electric field for a system with floating electrodes by virtual material parameter method[J]. Modern Electric Power, 2004, 21(1): 55?鄄59.
[23]  关志成. 绝缘子及输变电设备外绝缘[M]. 北京:清华大学出版社, 2006. GUAN Zhicheng. Insulator and power transmission and transformation equipment external insulation[M]. Beijing: Tsinghua University Press, 2006.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133