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基于复合绝缘子污闪模型的闪络特性分析

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Keywords: 复合绝缘子,闪络,污闪模型,憎水性,电弧压降,水带电导率

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Abstract:

利用Obenaus模型对复合绝缘子的闪络特性进行分析,以现场运行年限不同的试品在不同喷水电导率下进行闪络试验,试验结果表明:同一试品闪络电压随着喷水电导率的增加呈指数规律下降,但憎水性差的试品变化规律不够明显。通过试验及模型计算,得出电弧总的阴阳极压降和憎水性存在一定关系,其数值大小随着憎水性能的减弱而减小。研究结果表明:憎水性是影响复合绝缘子闪络电压的主要因素,它是通过决定电弧总的阴阳极压降的大小来影响闪络电压的数值;闪络电压还受水带电导率的影响,电导率取决于绝缘子表面的积污程度。

References

[1]  徐志钮,律方成,李和明. 绝缘子有憎水性时的交流污闪模型分析[J]. 高电压技术,2010,36(7):1657-1661. XU Zhiniu,LU Fangcheng,LI Heming. AC pollution flashover model analysis of insulator with hydrophobicity[J].High Voltage Engineering,2010,36(7):1657-1661.
[2]  关志成,陈原,梁曦东,等. 硅橡胶合成绝缘子染污放电机理的研究[J]. 清华大学学报(自然科学版),1999,39(5):16-19. GUAN Zhicheng ,CHEN Yuan , LIANG Xidong ,et al . Flashover mechanism of silicone rubber composite insulator s [J] . Journal of Tsinghua University(Sci & Tech),1999 , 39(5):16-19.
[3]  张志劲,蒋兴良,孙才新,等. 染污绝缘子串直流污闪放电的电路模型.中国电机工程学报,2009,29(13):104-109. ZHANG Zhijin,JIANG Xingliang,SUN Caixin,et al. DC pollution flashover circuit model of polluted insulator string[J]. Proceedings of the CSEE,2009,29(13):104-109.
[4]  WILKINSR,AI-BAGHDADI A A J. Arc propagation along an elec-trolyte surface[J]. Proceedings of the IEE,1972,118(12):1886-1892.
[5]  李立?,蒋兴良,孙才新,等. ±800 kV直流复合绝缘子短样人工污秽闪络特性研究[J].中国电机工程学报,2007,27(10):14-19. LI Licheng,JIANG Xingliang,SUN Caixin,et al. Study on pollution flashover performance of short sample of ±800 kV UHVDC composite insulators[J]. Proceedings of the CSEE,2007,27(10):14-19.
[6]  审文伟,宋伟. 复合绝缘子HTV硅橡胶材料老化特性的研究[J]. 高压电器,2013,49(2):1-7. SHEN Wenwei,SONG Wei. Influence of corona discharge on aging characteristics of HTV silicone rubber material[J]. High Voltage Apparatus,2013,49(2):1-7.
[7]  喻华玉,徐文澄,沈刚. 高压电器设备防污闪及带电清扫技术[M]. 北京:中国电力出版社,2005.
[8]  张志劲,蒋兴良,孙才新. 污秽绝缘子闪络机理研究综述[J]. 电网技术,2008,32(16):37-42. ZHANG Zhijin,JIANG Xingliang,SUN Caixin. Summary of researched on flashover mechanism of polluted insulators[J]. Power System Technology,2008,32(16):37-42.
[9]  徐天勇,覃绍先,梅钢,等. 基于泄露电流和环境条件的超高压复合绝缘子在线监测与评估[J]. 电瓷避雷器,2014(1):6-15. XU Tianyong,TAN Shaoxian,MEI Gang,et al. On-line monitoring and evaluating of EHV composite insulators based on leakage currents and environmental conditions[J]. Insulators and Surge Arresters,2014(1):6-15.
[10]  宿志一. 雾霾天气对输变电设备外绝缘的影响[J]. 电网技术,2013,37(8)2284-2290. SU Zhiyi. Influences of fog-haze on external insulation of transmission and distribution equipment[J]. Power System Technology,2014,(1):6-15.
[11]  孙翠平,关素娇,李晓军,等. 拉萨换流站电容器成套装置外绝缘的设计[J]. 电力电容器与无功补偿,2012,33(6):37-41. SUN Cuiping,GUAN Sujiao,LI Xiaojun,et al. External insulation design of capacitor installation at lasa converter station[J]. Power Capacitor& Reactive Power Compensation,2012,33(6):37-41.
[12]  胡文歧,井谦,彭静.接触角法表征复合绝缘子用硅橡胶材料表面憎水性的研究[J]. 电瓷避雷器,2013(2):5-10. HU Wenqi,JING Qian,PENG Jing. Study on surface hydrophobicity of silicone rubber materials for composit insulator characterized by contact angle method[J]. Insulators and Surge Arresters, 2013(2):5-10.
[13]  张辉,屠幼萍. 基于TSC测试的硅橡胶复合绝缘子伞裙材料老化特性研究[J]. 中国电机工程学报,2012,32(15):169-174. ZHANG Hui,TU Youping. Study on aging characteristics of silicone rubber sheds of composite insulators based on TSC test[J]. Proceedings of the CSEE, 2012,32(15):169-174.
[14]  刘洋,王建国,方春华,等. 复合绝缘子转轮法老化试验系统设计与开发[J]. 高压电器,2012,48(5): 69-74. LIU Yang,WANG Jianguo,FANG Chunhua,et al. Design and development of tracking wheel ageing test system of composite insulator[J]. High Voltage Apparatus,2012,48(5):69-74.
[15]  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.
[16]  舒立春, 范学海, 蒋兴良. 污秽悬式绝缘子的交流污闪计算模型[J]. 高电压技术,2010,36(5):1077-1082. SHU Lichun,FAN Xuehai,JIANG Xingliang,et al. AC.
[17]  关志成,刘瑛岩,周远翔,等. 绝缘子及输变电设备外绝缘[M]. 北京:清华大学出版社,2006.

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