1000 kV特高压交流线路用RTV绝缘子表面涂层老化分析Aging Analysis of RTV Insulator Coating on 1000 kV UHV AC Transmission Line
胡建林;钟睿;刘泽辉;李洋洋;蒋兴良;
摘要(Abstract):
RTV绝缘子凭借其优良的憎水性能和防污闪特性,广泛应用于我国电力系统输电线路中。选取河南地区1000 k V特高压交流线路中运行3 a的RTV绝缘子进行试验,从绝缘子表面检查、憎水性、憎水迁移性、傅里叶变换红外光谱(FTIR)和热重分析(TG)等方面分析了运行环境对RTV绝缘子表面涂层老化的影响。结果表明:RTV绝缘子运行3 a后,涂层出现起皮、脱落等现象,表面涂层憎水性保持HC1~HC3水平,在迁移96 h后涂层憎水性保持HC3等级。结合FTIR和TG手段发现,运行应力造成了RTV涂层中硅橡胶长链、基团交联程度和无机填料含量的下降。最后根据试验结果讨论了绝缘子伞型结构、悬挂方式对涂层老化的影响。
关键词(KeyWords): RTV绝缘子;表面状态;憎水性;憎水迁移性;傅里叶变换红外光谱;热重分析
基金项目(Foundation): 国家自然科学基金项目(51321063,51607019);; 国家电网公司科技项目(52170216000D)~~
作者(Author): 胡建林;钟睿;刘泽辉;李洋洋;蒋兴良;
Email:
DOI: 10.13335/j.1000-3673.pst.2017.1322
参考文献(References):
- [1]陈原,姚文军,张章奎,等.架空输电线路外绝缘配置方式及发展方向[J].中国电力,2006,39(1):46-49.Chen Yuan,Yao Wenjun,Zhang Zhangkui,et al.Outside insulation configuration mode and development direction of overhead transmission line[J].Electric Power,2006,39(1):46-49(in Chinese).
- [2]Hall J,Orbeck T.Evaluation of a new protective coating for porcelain insulators[J].IEEE Transactions on Power Apparatus&Systems,1982,PER-2(12):4689-4696.
- [3]王天,卢明,景冬冬,等.RTV防污闪涂层老化分析方法[J].绝缘材料,2014(1):26-30.Wang Tian,Lu Ming,Jing Dongdong,et al.Aging analysis methods review of RTV insulator coating with anti-pollution flashover[J].Insulating Materials,2014(1):26-30(in Chinese).
- [4]高海峰,贾志东,关志成.运行多年RTV涂料绝缘子表面涂层老化分析研究[J].中国电机工程学报,2005,25(9):158-163.Gao Haifeng,Jia Zhidong,Guan Zhicheng.Aging study on RTV coating covered on insulators and energized for many years[J].Proceedings of the CSEE,2005,25(9):158-163(in Chinese).
- [5]贾志东,陆海,胡亚荣,等.高湿气候下RTV防污闪涂料的运行特性分析[J].电网技术,2014,38(8):2291-2297.Jia Zhidong,Lu Hai,Hu Yarong,et al.Analysis of operating performance of RTV coating used in areas with humid climate[J].Power System Technology,2014,38(8):2291-2297(in Chinese).
- [6]贾志东,李桐,陈灿,等.广东地区室温硫化硅橡胶防污闪涂料的运行特性[J].高电压技术,2014,40(7):1963-1969.Jia Zhidong,Li Tong,Chen Can,et al.Operation characteristics of RTV antipollution flashover coating in Guangdong region[J].High Voltage Engineering,2014,40(7):1963-1969(in Chinese).
- [7]Su H,Jia Z,Guan Z,et al.Durability of RTV-coated insulators used in subtropical areas[J].IEEE Transactions on Dielectrics&Electrical Insulation,2011,18(3):767-774.
- [8]Chen C,Jia Z,Lu H,et al.Field aging investigation and filler precipitation analysis on RTV coated insulators in China[J].IEEE Transactions on Dielectrics&Electrical Insulation,2014,21(6):2458-2465.
- [9]陈晓春,郑敏聪,李建华,等.合成绝缘子硅橡胶伞群材料的老化特性及其红外光谱研究[J].中国电机工程学报,2012,32(S1):57-62.Chen Xiaochun,Zheng Mincong,Li Jianhua,et al.Aging characteristics of silicone rubber composite insulator sheds studied by infrared spectroscopy[J].Proceedings of the CSEE,2012,32(S1):57-62(in Chinese).
- [10]Kim S H,Cherney E A,Hackam R.The loss and recovery of hydrophobicity of RTV silicone rubber insulator coatings[J].IEEE Transactions on Power Delivery,1990,5(3):1491-1500.
- [11]Gao Y,Wang J,Liang X,et al.Investigation on permeation properties of liquids into HTV silicone rubber materials[J].IEEE Transactions on Dielectrics&Electrical Insulation,2014,21(6):2428-2437.
- [12]Zhu Y,Otsubo M,Honda C,et al.Loss and recovery in hydrophobicity of silicone rubber exposed to corona discharge[J].Polymer Degradation&Stability,2006,91(7):1448-1454.
- [13]邓桃,杨滴,陶文彪,等.复合绝缘子粉化伞裙的微观结构与憎水性的关联研究[J].电网技术,2016,40(1):328-607.Deng Tao,Yang Di,Tao Wenbiao,et al.The relationship between microstructure and hydrophobicity of pulverized composite insulator sheds[J].Power System Technology,2016,40(1):328-607(in Chinese).
- [14]Gorur R S,Mishra J,Tay R,et al.Electrical performance of RTV silicone rubber coatings[J].IEEE Transactions on Dielectrics&Electrical Insulation,2002,3(2):299-306.
- [15]戴罕奇,梅红伟,王黎明,等.憎水迁移过程中的波动性[J].中国电机工程学报,2014,34(6):971-981.Dai Hanqi,Mei Hongwei,Wang Liming,et al.Volatility of hydrophobicity on the polluted surface during hydrophobicity transfer[J].Proceedings of the CSEE,2014,34(6):971-981(in Chinese).
- [16]Shimada A,Sugimoto M,Kudoh H,et al.Degradation mechanisms of silicone rubber(Si R)by accelerated ageing for cables of nuclear power plant[J].IEEE Transactions on Dielectrics&Electrical Insulation,2014,21(1):16-23.
- [17]Yoshimura N,Kumagai S,Nishimura S.Electrical and environmental aging of silicone rubber used in outdoor insulation[J].IEEE Transactions on Dielectrics&Electrical Insulation,1999,6(5):632-650.
- [18]Wang X,Kumagai S,Yoshimura N.Contamination performances of silicone rubber insulator subjected to acid rain[J].IEEE Transactions on Dielectrics&Electrical Insulation,1999,5(6):909-916.
- [19]吴维宁,吴光亚,张勤,等.1000 k V特高压交流绝缘子的使用及运行特性[J].高电压技术,2011,37(1):15-20.Wu Weining,Wu Guangya,Zhang Qin,et al.Characteristics of application and operation on 1000 k V UHVAC insulators[J].High Voltage Engineering,2011,37(1):15-20(in Chinese).
- [20]李黎,华奎,李哲,等.±800 k V特高压换流站支柱绝缘子自然积污特性[J].电网技术,2016,40(12):3951-3957.Li Li,Hua Kui,Li Zhe,et al.Contamination accumulating features of post insulators in±800 k V UHVDC convertor station[J].Power System Technology,2016,40(12):3951-3957(in Chinese).
- [21]高峰,李瑶琴,李黎,等.哈郑线河南段带电绝缘子污秽成分及悬挂高度对积污的影响[J].电网技术,2015,39(10):2923-2928.Gao Feng,Li Yaoqin,Li Li,et al.Analysis on contamination components of energized insulator of Hami-Zhengzhou overhead line in Henan and influence of installation height on pollution accumulation[J].Power System Technology,2015,39(10):2923-2928(in Chinese).
- [22]彭向阳,林宏升,黄振,等.应用显微红外法的硅橡胶复合绝缘子伞裙老化深度研究[J].电网技术,2017,41(4):1350-1356.Peng Xiangyang,Lin Hongsheng,Huang Zhen,et al.An infrared microspectroscopy method for determining degradation depth of silicone rubber composite insulator shed[J].Power System Technology,2017,41(4):1350-1356(in Chinese).
- [23]郑广君,戴罕奇,张春雷,等.染污复合绝缘子受潮过程中特征量Kh10理论分析[J].电网技术,2017,41(8):2731-2736.Zheng Guangjun,Dai Hanqi,Zhang Chunlei,et al.Investigation on theoretical analysis of characteristic parameter Kh10 in wetting process of polluted composite insulators[J].Power System Technology,2017,41(8):2731-2736(in Chinese).
- [24]李特,王少华,柳青山,等.±800 k V特高压宾金直流悬式及支柱绝缘子自然积污特性[J].电网技术,2017,41(11):3553-3558.Li Te,Wang Shaohua,Liu Qingshan,et al.Test research on natural contamination performance of suspension and post insulators from±800k V Yibin-Jinhua UHVDC transmission project[J].Power System Technology,2017,41(11):3553-3558(in Chinese).
- [25]易辉,熊幼京.1000 k V交流特高压输电线路运行特性分析[J].电网技术,2016,30(15):1-7.Yi Hui,Xiong Youjing.Analysis on operating characteristic for1000 k V AC UHV transmission line[J].Power System Technology,2016,30(15):1-7(in Chinese).
- [26]Blackmore P D,Birtwhistle D,Cash G A,et al.Condition assessment of EPDM composite insulators using FTIR spectroscopy[J].IEEE Transactions on Dielectrics&Electrical Insulation,1998,5(1):132-141.
- [27]Song W,Shen W W,Zhang G J,et al.Aging characterization of high temperature vulcanized silicone rubber housing material used for outdoor insulation[J].IEEE Transactions on Dielectrics&Electrical Insulation,2015,22(2):961-969
- [28]彭向阳,李子健,黄振,等.基于TG—DSC法的复合绝缘子硅橡胶主组分含量研究[J].南方电网技术,2017,11(1):36-44.Peng Xiangyang,Li Zijian,Huang Zhen,et al.TG-DSC coupling techniques based investigation on main component content of silicone rubber composite insulators[J].Southern Power System Technology,2017,11(1):36-44(in Chinese).