| 一起罕见的220kV架空线路雷击故障跳闸分析 |
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| 引用本文： | 盛慧慧,杨静.一起罕见的220kV架空线路雷击故障跳闸分析[J].电力科学与工程,2011,27(5):56-59,70. |
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| 作者姓名： | 盛慧慧 杨静 |
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| 作者单位： | 北京市电力公司海淀供电公司;华北电网有限公司生产技术部; |
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| 摘 要： | 针对一起220 kV架空线路雷击三塔三相故障跳闸事故,在考虑现有防雷措施、杆塔形式、绝缘子形式及配置的基础上,通过对地理环境、设备防雷措施、雷电机理过程等方面进行分析,得出事故是由于罕见的具有类似短波头特征的雷电造成雷击杆塔三相跳闸并引起两座相邻杆塔绝缘子雷击闪络破损.提出了进一步明确地区雷电活动的波形特征并开展针对性...
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| 关 键 词： | 架空线路 雷击跳闸 并联间隙 防雷措施 |
Analysis of a Rare Lightning-stroke Fault of 220 kV Overhead Wire |
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| Sheng Huihui,Yang Jing.Analysis of a Rare Lightning-stroke Fault of 220 kV Overhead Wire[J].Power Science and Engineering,2011,27(5):56-59,70. |
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| Authors: | Sheng Huihui Yang Jing |
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| Affiliation: | Sheng Huihui1,Yang Jing2(1.Haidian Power Supply Bureau,Beijing Power Co.,Beijing 100086,China,2.North China Power Gird Co.,Ltd.,Beijing 100053,China) |
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| Abstract: | For a rare lightning-stroke which caused 3 towers and 3 phase fault of 220kV overhead wire,considering lightning protection,tower type,insulator type and configuration in existence,the paper concludes that the fault was becaused of a rare lightning which had shortwave character and caused the damage of insulators beside the main flashover tower by analyzing geographical environment and lightning mechanism.The paper presents developing more work on shortwave lightning,exploring of lightning wave and parallel... |
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| Keywords: | overhead wire lightning-stroke parallel gap lightning protection |
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