| 220kV输电线路不明原因跳闸事故分析 |
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| 引用本文： | 李孛,许圣,苏伟. 220kV输电线路不明原因跳闸事故分析[J]. 电瓷避雷器, 2011, 0(3): 10-15 |
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| 作者姓名： | 李孛 许圣 苏伟 |
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| 作者单位： | 湖南省电力公司长沙线路管理所,长沙,410002 |
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| 摘 要： | 由于复合绝缘子具有重量轻、耐污性能好等优点，在电力系统中得到广泛的应用。随着复合绝缘子运行时间及使用数量的不断增加，不明原因闪络事故频繁发生。笔者结合长沙地区一起典型的220 kV输电线路不明原因跳闸事故,将事故现场情况与理论分析计算结合。分析了复合绝缘子伞裙结构、憎水性与表面场强分布等因素对鸟粪下落造成复合绝缘子闪络...
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| 关 键 词： | 复合绝缘子 鸟害 闪络 伞裙结构 场强分布 |
220 kV Power Transmission Lines Unexplained Tripped Accident Analysis |
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| LI Bei,XU Sheng,SU Wei. 220 kV Power Transmission Lines Unexplained Tripped Accident Analysis[J]. Insulators and Surge Arresters, 2011, 0(3): 10-15 |
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| Authors: | LI Bei XU Sheng SU Wei |
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| Affiliation: | LI Bei,XU Sheng,SU Wei(Department of Changsha Line Management,Hunan Electric Power Corporation,Changsha 410002,China) |
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| Abstract: | Due to the advantages of light weight,good anti-pollution performance,etc.,composite insulator has been widely used in the power system.With the increase of the running time and usage quantity of composite insulator,unexplained regular accidents occur frequently.Combining with a typical 220 kV transmission lines unexplained trip accident in Changsha area,the scene of the accident situation is combined with the theoretical analysis and calculation.The factors of composite insulator umbrella shed structure,hy... |
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| Keywords: | composite insulator birds trouble flashover sheds structure field strength distribution |
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