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110kV复合绝缘子棒形并联间隙工频电弧疏导过程的试验研究

, PP. 114-121

Keywords: 并联间隙装置,绝缘子串,燃弧试验,电弧运动,运动仿真

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Abstract:

绝缘子串加装并联间隙装置后,可以疏导工频续流从而保护绝缘子。并联间隙的导弧性能对于绝缘子串的保护至关重要,因而深入了解电弧在间隙电极上的疏导过程及电弧运动特性非常必要。基于此,该文开展了短路电流大小为500A和15.75kA的燃弧试验研究。试验中使用高速摄像仪记录下了电弧运动过程,通过观察试验拍摄的图片分析了电弧的运动特性。利用之前研究建立的长间隙交流电弧模型,仿真计算了与试验电流大小相同的电弧运动过程。通过对比仿真结果和试验结果可知,对于弧根的运动情况,二者基本一致。虽然在弧柱的运动形态上稍有差异,但弧柱的运动滞后于弧根的情况是一致的。因此,电弧运动仿真模型的精确性较高,可用于分析并联间隙装置的导弧效果。

References

[1]  陈勉,吴碧华,罗真海. 探讨高压架空送电线路采用?疏导?型思想的防雷保护[J]. 广东电力, 2001,14(4):36-37,58. Chen Mian,Wu Bihua,Luo Zhenhai.On ?scatter? type lightning protection scheme for HV overhead power transmission lines[J].Guangdong Electric Power,2001,14(4)
[2]  王伟然. 架空线路绝缘子并联间隙防雷保护应用研究[D]. 广州:华南理工大学, 2010.Wang Weiran.Research and application on parallel gap lightning protection device[D].Guangzhou:SouthChina University of Technology,2010(in Chinese).
[3]  谷山强. 架空线路长间隙交流电弧运动特性及其应用研究[D]. 北京:清华大学, 2007.Gu Shanqiang.Researches on motion characteristics and their applications of long AC arcs on overhead lines [D].Beijing:TsinghuaUniversity,2007(in Chinese).
[4]  秦英杰. 35kV、110kV输电线路防雷保护间隙的研究[D]. 北京:华北电力大学, 2005.Qin Yingjie.The research on lightning-proof gap for 35kV and 110kV transmission line[D].Beijing:NorthChina Electric Power University,2005(in Chinese).
[5]  吴光亚,林秀钦,蔡炜,等. 架空线路用复合绝缘子工频电弧特性研究[J]. 高电压技术, 2002,28(11):9-11. Wu Guangya,Lin Xiuqin,Cai Wei,et al.The study of power frenquency arc of composite insulators for overhead lines[J].High Voltage Engineering,2002,28(11)
[6]  葛栋,冯海泉,袁利红,等. 绝缘子串并联间隙的工频大电流燃弧试验[J]. 高电压技术, 2008,34(7):1499-1503. Ge Dong,Feng Haiquan,Yuan Lihong,et al.Experimental research on large power frequency current of parallel gap of insulator strings[J].High Voltage Engineering,2008,34(7)
[7]  葛栋,沈海滨,贺子鸣,等. 110kV输电线路并联间隙的电气性能试验[J]. 中国电力, 2011,44(6):7-10. Ge Dong,Shen Haibin,He Ziming,et al.Test on electrical performance of parallel gap for 110kV transmission line[J].Electric power,2011,44(6)
[8]  杨庆,谭威,司马文霞,等. 并联间隙均匀复合绝缘子电压分布特性[J]. 高电压技术, 2011,37(8):1910-1915. Yang Qing,Tan Wei,Sima Wenxia,et al.Voltage equalizing characteristics of composite insulator with parallel gap lightning protection device employed[J].High Voltage Engineering,20011,37(8)
[9]  陈维江,孙昭英,王献丽,等. 35kV架空送电线路防雷用并联间隙研究[J]. 电网技术, 2007,31(2):61-65. Chen Weijiang,Sun Zhaoying,Wang Xianli,et al.Study on shunt gap lightning protection for 35kV overhead transmission lines[J].Power System Technology,2007,31(2)
[10]  罗真海,陈勉,陈维江,等. 110、220kV架空输电线路复合绝缘子并联间隙防雷保护研究[J]. 电网技术, 2002,26(10):44-50. Luo Zhenhai,Chen Mian,Chen Weijiang,et al.Study on shunt gap lightning protection for 110kV and 220kV composite insulators[J].Power System Technology,2002,26(10)
[11]  陈维江,孙昭英,李国富,等. 110kV和220kV架空线路并联间隙防雷保护研究[J]. 电网技术, 2006,30(13):74-79. Chen Weijiang,Sun Zhaoying,Li Guofu,et al.Development of parallel gap lightning protection device for 110kV and 220kV overhead lines[J].Power System Technology,2006,30(13)
[12]  陈锡阳,尹创荣,杨挺,等. 110kV输电线路并联间隙防雷装置的设计与运行[J]. 电力建设, 2011,32(6):57-61. Chen Xiyang,Yin Chuangrong,Yang Ting,et al.Design and operation on parallel gap lightning protection device of composite insulators for 110kV overhead transmission line[J].Electric Power Construction,20011,32(6)
[13]  Gu S Q,He J L,Zhang B,et al. Movement simulation of long electric arc along the surface of insulator string in free air[J]. IEEE Trans. on Magnetics, 2006,42(4):1359-1362.
[14]  司马文霞,谭威,杨庆,等. 基于热浮力-磁场力结合的并联间隙电弧运动模型[J]. 中国电机工程学报, 2011,31(19):138-145. Sima Wenxia,Tan Wei,Yang Qing,et al.Long AC movement model for parallel gap lightning protection device with consideration of thermal buoyancy and magnetic force[J].Proceedings of the CSEE,20011,31(19)
[15]  Horinouchi K, Nakayama Y, Hidaka M,,et al. A method of simulating magnetically driven arcs[J]. IEEE Transactions on Power Delivery, 1997,12(1):213-218.
[16]  谷山强,何金良,陈维江,等. 架空输电线路并联间隙防雷装置电弧磁场力计算研究[J]. 中国电机工程学报, 2006,26(7):140-145. Gu Shanqiang,He Jinliang,Chen Weijiang,et al.Magnetic force computation for the electric arc of parallel gap lightning protection device on overhead transmission lines[J].Proceedings of the CSEE,2006,26(7)
[17]  Gu S Q,He J L,Zong R,et al. Motion characteristics of long ac arcs in atmospheric air[J]. Applied Physics Letters, 2007,90(5):51501-1-3.
[18]  Goda Y,Iwata M,Ikeda K,et al. Arc voltage characteristics of high current fault arcs in long gaps [J]. IEEE Trans on Power Delivery, 2000,15(2):791-795.

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