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...
-  2018 

含葡萄糖污秽对绝缘子泄漏电流的影响 Influence of glucose contaminant on insulator leakage current

Keywords: 泄漏电流,葡萄糖,湿度,吸湿性,外绝缘

Full-Text   Cite this paper   Add to My Lib

Abstract:

污闪预测与泄漏电流研究中,需考虑有机物等特殊污秽成分.以葡萄糖为对象,分析其物质特性,研究含葡萄糖污秽外绝缘在不同湿度下的放电特点,分析含葡萄糖污秽对绝缘子泄漏电流最大值、基波幅值、三次谐波幅值以及基波电压电流相位差的影响.结果表明:污秽中加入葡萄糖会影响绝缘子泄漏电流,影响程度由大气湿度与葡萄糖污秽含量决定;污秽中葡萄糖含量高于0.1mg/cm2,相对湿度达到60%及以上时,含葡萄糖污秽绝缘子的泄漏电流特征量明显异于常规污秽绝缘子.葡萄糖具备较好的吸湿性与保水性,含葡萄糖污秽会增加污层吸水量,使泄漏电流增加,导致放电

References

[1]  苑吉河,蒋兴良,舒立春,等.盐/灰密对不同型式绝缘子交流人工污秽闪络特性的影响[J].中国电机工程学报,2007,27(6):96-100.Yuan Jihe,Jiang Xingliang,Sun Lichun,et al.Influence of salt/non-soluble deposit density on AC artificial pollution flashover performances of various types insulators[J].Proceedings of the CSEE,2007,27(6):96-100.
[2]  方春华,王建国,操平梅,等.污秽绝缘子泄漏电流与环境温、湿度相关分析[J].高电压技术,2012,38(4):885-891.Fang Chunhua,Wang Jianguo,Cao Pingmei,et al.Correlation analysis of contaminative insulator leakage current,environment temperature and humidity[J].High Voltage Engineering,2012,38(4):885-891.
[3]  蒋兴良,赵世华,张志劲,等.污秽与憎水性对复合绝缘子泄漏电流特性的影响[J].高电压技术,2013,39(11):2573-2580.Jiang Xingliang,Zhao Shihua,Zhang Zhijin,et al.Impacts of contamination and hydrophobicity level on the leakage currents of composite insulators[J].High Voltage Engineering,2013,39(11):2573-2580.
[4]  陈伟根,汪万平,夏青.绝缘子污秽放电泄漏电流的多重分形特征研究[J].电工技术学报,2013,(1):50-56.Chen Weigen,Wang Wanping,Xia Qing.Research on multi-fractal characteristics of leakage current for contamination discharge of insulators[J].Transactions of China Electrotechnical Society,2013,(1):50-56.
[5]  Douar M A,Mekhaldi A,Bouzidi M C.Flashover process and frequency analysis of the leakage current on insulator model under non-uniform pollution conditions[J].IEEE Transactions on Dielectrics and Electrical Insulation,2010,17(4):1284-1297.
[6]  Mei H,Wang L,Guan Z,et al.Influence of sugar as a contaminant on outdoor insulation characteristics of insulators in a substation[J].IEEE Transactions on Dielectrics and Electrical Insulation,2012,19(4):1318-1324.
[7]  梅红伟,毛颖科,卞星明,等.相对湿度对绝缘子泄漏电流最大值的影响[J].高电压技术,2010,36(3):627-631.Mei Hongwei,Mao Yingke,Bian Xingming,et al.Effect of relative humidity on the maximum leakage current of insulators[J].High Voltage Engineering,2010,36(3):627-631.
[8]  王黎明,张军广,赵晨龙,等.绝缘子饱和受潮条件下泄漏电流预测方法[J].高电压技术,2014,40(5):1416-1423.Wang Liming,Zhang Junguang,Zhao Chenlong,et al.A forecast method for leakage current of contaminated insulator under saturated moist[J].High Voltage Engineering,2014,40(5):1416-1423.
[9]  石岩,蒋兴良,黄欢.污秽瓷绝缘子泄漏电流的估算方法[J].高电压技术,2009,35(6):1350-1355.Shi Yan,Jiang Xingliang,Huang Huan.Method of evaluating leakage current of contaminated porcelain insulators[J].High Voltage Engineering,2009,35(6):1350-1355.
[10]  司马文霞,徐康,杨庆,等.气压和污秽不均匀度对染污绝缘子泄漏电流的影响[J].高电压技术,2012,38(3):663-670.Sima Wenxia,Xu Kang,Yang Qing,et al.Influence of air pressure and non-uniform pollution on the leakage current of insulator[J].High Voltage Engineering,2012,38(3):663-670.
[11]  李恒真,刘刚,李立浧.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):128-137.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):128-137.
[12]  杨翠茹,杨帅,唐铭骏,等.较低湿度下含糖污秽绝缘子放电特性[J].电工技术学报,2015,30(10):346-353.Yang Cuiru,Yang Shuai,Tang Mingjun,et al.Discharge mechanism of polluted insulator with glucose under low humidity[J].Transactions of China Electrotechnical Society,2015,30(10):346-353.
[13]  GB/T 4585-2004交流系统用高压绝缘子的人工污秽试验[S].北京:中国标准出版社,2004.GB/T 4585-2004 Artificial Pollution Test Method for AC 1 000Vand Above[S].Beijing:China Standard Press,2004.
[14]  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,2004,36(12):57-61.Su Zhiyi.To intensify basic external insulation level of power system for prevention of large-scale pollution flashover[J].Electric Power,2004,36(12):57-61.
[15]  张重远,黄彬,王娟,等.悬式瓷制绝缘子泄漏电流与表面污秽的关系[J].高电压技术,2008,34(4):655-659.Zhang Zhongyuan,Huang Bin,Wang Juan,et al.Relation between leakage current and surface contamination of suspension porcelain insulators[J].High Voltage Engineering,2008,34(4):655-659.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133