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电网技术  2014 

交流特高压支柱瓷绝缘子的自然积污特性研究

DOI: 10.13335/j.1000-3673.pst.2014.11.042, PP. 3217-3223

Keywords: 特高压支柱瓷绝缘子,污秽度测量,自然积污特性,盐密,灰密,上下表面不均匀积污比(T/B),迎风面与背风面积污比(W/L)

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Abstract:

为研究特高压支柱瓷绝缘子的自然积污规律,重点对荆门特高压变电站运行的支柱瓷绝缘子进行了连续3a的积污检测。测量了盐密(equivalentsaltdepositdensity,ESDD)、灰密(nonsolubledepositdensity,NSDD)及污秽成分,对比分析了伞裙上表面与下表面、迎风面与背风面、平均直径、连续积污等对支柱绝缘子自然积污特性的影响规律。结果表明,1a的积污期条件下(2010年4月至2011年4月)1)单个1000kV支柱瓷绝缘子整柱污秽分布较不均匀,高压端与其他部位的ESDD平均比值为3.4,NSDD平均比值为2.3。2)绝缘子伞裙上表面污秽度普遍高于下表面。上下表面ESDD不均匀积污比平均为1.8,上下表面NSDD不均匀积污比平均为1.6。3)绝缘子伞裙背风面污秽度普遍高于迎风面。ESDD迎风面与背风面不均匀积污比平均为0.64,NSDD迎风面与背风面不均匀积污比平均为0.55。4)饱和ESDD与连续积污时间不成正比关系,而NSDD基本与连续积污时间成正比关系。5)ESDD和NSDD随平均直径的增大呈下降趋势。6)绝缘子表面污秽物中CaSO4含量平均为68%。研究结果可为我国特高压工程外绝缘设计、产品制造和运行检修提供参考。

References

[1]  顾春晖,李江涛,张磊洲.户外绝缘子积污特性的试验与仿真[J].高电压技术,2011,37(11):2822-2829. Gu Chunhui,Li Jiangtao,Zhang Leizhou.Experimental and numerical study of the pollution accumulation on outdoor insulators[J].High Voltage Engineering,2011,37(11):2822-2829(in Chinese).
[2]  江健武,赵灵,方春华.带电复合绝缘子积污特性的对比观测[J].高电压技术,2012,38(10):2633-2639. Jiang Jianwu,Zhao Ling,Fang Chunhua.Contrast observation on the contamination characteristics on line charged composite insulator[J].High Voltage Engineering,2012,38(10):2633-2639(in Chinese).
[3]  宿志一.葛南直流输电线路华东段和南桥换流站绝缘子自然积污状况调查[J].电网技术,1999,23(3):9-15. Su Zhiyi.Research on natural contamination of insulators Gezhouba-Nanqiao DC transmission line and Nanqiao convertor station[J].Power System Technology,1999,23(3):9-15(in Chinese).
[4]  宿志一,刘燕生.我国北方内陆地区线路与变电站用绝缘子的直、交流自然积污试验结果的比较[J].电网技术,2004,28(10): 13-17. Su Zhiyi,Liu Yansheng.Comparison of natural contaminants accumulated on surfaces of suspension and post insulator with DC and AC stress in northern China’s inland areas[J].Power System Technology,2004,28(10):13-17(in Chinese).
[5]  张楚岩,关志成,张福增,等.换流站支柱绝缘子在高海拔地区的污秽外绝缘特性[J].高电压技术,2012,38(10):2568-2574. Zhang Chuyan,Guan Zhicheng,Zhang Fuzeng,et al.Pollution flashover performance of converter station post insulators at high altitude area[J].High Voltage Engineering,2012,38(10):2568-2574(in Chinese).
[6]  郭贤珊,宿志一,乐波.特高压直流换流站支柱绝缘子设计[J].电网技术,2007,31(24):1-6. Guo Xianshan,Su Zhiyi,Yue Bo.Design of post insulator for UHVDC converter station[J].Power System Technology,2007,31(24):1-6(in Chinese).
[7]  范建斌,宿志一,李武峰,等.高压直流支柱绝缘子和套管伞形结构研究[J].中国电机工程学报,2007,27(21):1-6. Fan Jianbin,Su Zhiyi,Li Wufeng,et al.Research on profiles of HVDC post insulator and bushing[J].Proceedings of the CSEE,2007,27(21):1-6(in Chinese).
[8]  张鹏,贺智,高锡明,等.直流换流站隔离开关支柱绝缘子人工污秽试验[J].高电压技术,2008,34(8):1774-1777. Zhang Peng,He Zhi,Gao Ximing,et al.Pollution test for isolating switch post insulator used in HVDC converter station[J].High Voltage Engineering,2008,34(8):1774-1777(in Chinese).
[9]  徐志钮,律方成,李和明.分离水珠对支柱绝缘子电场分布的影响[J].高电压技术,2010,36(9):2278-2284. Xu Zhiniu,Lü Fangcheng,Li Heming.Influence of separated globules on post insulator electric field distribution[J].High Voltage Engineering,2010,36(9):2278-2284(in Chinese).
[10]  高博,张亚婷,王清亮.污秽不均匀性对绝缘子电场的影响[J].电瓷避雷器,2008(3):13-21. Gao Bo,Zhang Yating,Wang Qingliang.Effect of pollution non-uniformity on electric field of contaminated insulator[J].Insulators and Surge Arresters,2008(3):13-21(in Chinese).
[11]  徐志钮,律方成.绝缘材料及其参数对绝缘子表面电场强度和电位分布的影响[J].电网技术,2011,35(9):152-157. Xu Zhiniu,Lü Fangcheng.Influence of insulating materials and their parameters on surface electric field intensity and potential distribution of insulators[J].Power System Technology,2011,35(9):152-157(in Chinese).
[12]  李恒真,赖江宇,雷乾.污秽颗粒在绝缘表面的碰撞和吸附[J].高电压技术,2012,38(10):2596-2603. Li Hengzhen,Lai Jiangyu,Lei Qian.Collision and adsorption of pollution particles on the surface of electrical insulator[J].High Voltage Engineering,2012,38(10): 2596-2603(in Chinese).
[13]  蒋兴良,李海波.计算流体力学在绝缘子积污特性分析中的应用[J].高电压技术,2010,36(2):329-335. Jiang Xingliang,Li Haibo.Application of computational fluid dynamics to analysis of contamination depositing characteristics of insulators[J].High Voltage Engineering,2010,36(2):329-335(in Chinese).
[14]  能源部电力司.电力设备防污闪技术[M].武汉:能源部电力司,1995.30-31
[15]  宿志一.换流站直流绝缘子的自然积污特性与直交流积污比[C]//中国电机工程学会高压专委会2007年学术年会论文集,深圳,2007:281-290.
[16]  国网武汉高压研究院.1000kV交流输电线路(晋东南—南阳—荆门)沿线走廊污秽性能研究[R].武汉:国网武汉高压研究院,2006.
[17]  贺博,万军,陈邦发,等.人工模拟沙尘气候环境下线路绝缘子积污特性研究[J].西安交通大学学报,2008,42(12):1510-1514. He Bo,Wan Jun,Chen Bangfa,et al.Contamination depositing characteristics of suspension insulators under sandstorm circumstance simulated artificially[J].Journal of Xi’an Jiaotong University,2008,42(12):1510-1514(in Chinese).
[18]  日本电气学会通信教育会.绝缘子[M].靳宝丰,译.北京:机械工业出版社,1987:158.
[19]  关志成,张仁豫,薛家麒.自然污秽可溶盐构成及其对污闪电压值的影响[J].电瓷避雷器,1989(6):13-18. Guan Zhicheng,Zhang Renyu,Xue Jiaqi,The soluble salt composition of natural pollution and the affect on pollution test voltage[J].Insulators and Surge Arresters,1989(6):13-18(in Chinese).
[20]  钱之银,肖嵘.华东电网500kV线路绝缘子人工和自然积污比较[J].高电压技术,2010,36(3):705-710. Qian Zhiyin,Xiao Rong.Comparison between artificial pollution and nature pollution of 500kV transmission line insulators in East China Grid[J].High Voltage Engineering,2010,36(3):705-710(in Chinese).
[21]  詹清华,阮江军,钟连宏.珠三角地区架空线路绝缘子的自然积污特性[J].高电压技术,2010,36(11):2662-2667. Zhan Qinghua,Ruan Jiangjun,Zhong Lianhong.Natural contamination of pearl river region overhead transmission line insulators[J].High Voltage Engineering,2010,36(11):2662-2667(in Chinese).
[22]  蔡炜,肖勇,吴光亚.±500kV直流线路绝缘子串自然积污规律初探[J].高电压技术,2003,29(6):34-40. Cai Wei,Xiao Yong,Wu Guangya.Elementary analysis of pollution rules of insulators on ±500kV DC transmission line[J].High Voltage Engineering,2003,29(6):34-40(in Chinese).
[23]  律方成,秦春旭,郭文义,等.高海拔地区±800 kV特高压直流输电系统绝缘子带电自然积污特性[J].高电压技术,2013,39(3):513-519. Lü Fangcheng,Qin Chunxu,Guo Wenyi,et al.Natural contamination deposited characteristics of ±800 kV UHV DC insulators at high altitudes[J].High Voltage Engineering,2013,39(3):513-519(in Chinese).
[24]  王建国,王康,姚森.不带电条件下复合绝缘子与XP-70绝缘子自然积污特性对比分析[J].高电压技术,2013,39(4):957-963. Wang Jianguo,Wang Kang,Yao Sen.Comparison and analysis on natural contamination characteristics of uncharged composite insulator and XP-70 insulator[J].High Voltage Engineering,2013,39(4):957-963(in Chinese).
[25]  王彬,梁曦东,张轶博.交、直流电压下复合绝缘子和瓷绝缘子自然积污试验[J].电网技术,2009,35(9):2322-2328. Wang Bin,Liang Xidong,Zhang Yibo.Natural pollution deposit test of polymeric insulators operated under DC voltage[J].Power System Technology,2009,35(9):2322-2328(in Chinese).
[26]  王晶,陈林华,刘宇,等.电场对复合绝缘子积污特性影响的探究[J].高电压技术,2011,37(3):585-593. Wang Jing,Chen Linhua,Liu Yu,et al.Effect of the electric field on the contamination accumulation characteristic of the insulators[J].High Voltage Engineering,2011,37(3):585-593(in Chinese).
[27]  阳林,郝艳捧,李立浧.沙尘暴条件下长棒形瓷绝缘子风洞带电积污试验[J].高电压技术,2010,36(11):2651-2656. Yang Lin,HaoYanpeng,Li Licheng.Wind tunnel test for contamination deposited characteristics of porcelain long rod insulators under sandstorm circumstance[J].High Voltage Engineering,2010,36(11):2651-2656(in Chinese).
[28]  贺博,万军,陈邦发.人工模拟沙尘气候环境下线路绝缘子积污特性研究[J].西安交通大学学报,2008,42(12):1510-1514. He Bo,Wan Jun,Chen Bangfa.Contamination depositing characteristics of suspension insulators under sandstorm circumstance simulated artificially[J].Journal of Xi’an Jiaotong University,2008,42(12):1510-1514(in Chinese).
[29]  高海峰,樊灵孟,李庆峰.±500 kV高肇直流线路绝缘子积污特性对比分析[J].高电压技术,2010,36(3):672-677. Gao Haifeng,Fan Lingmeng,Li Qingfeng.Comparative analysis on pollution deposited performances of insulators on the±500kV Gao-Zhao DC transmission line[J].High Voltage Engineering,2010,36(3):672-677(in Chinese).

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