| 山区110 kV线路防雷电过电压影响因素的仿真分析 |
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| 引用本文： | 陈萧霖,郝捷,武娜.山区110 kV线路防雷电过电压影响因素的仿真分析[J].电气自动化,2017(6):74-77. |
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| 作者姓名： | 陈萧霖 郝捷 武娜 |
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| 作者单位： | 1. 国网江苏省电力公司检修分公司,江苏南京,210000;2. 国网山西省电力公司电力科学研究院,山西太原,030001 |
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| 摘 要： | 输电线路的故障很大部分是雷击造成的。使用ATP-EMTP搭建山西地区某实际110 kV山区线路模型,并通过其接地电阻变化、绝缘水平变化以及加装线路避雷器分析其受雷击过程的影响,为山区线路的设计和维护提供更好防雷措施。
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| 关 键 词： | 雷电过电压 ATP-EMTP 线路避雷器 接地电阻 绝缘子 |
Simulation Analysis on the Resistance of the Impact of Lightening Over-voltage on a 110 kV Line in the Mountainous Area |
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| Abstract: | Transmission line faults are mostly caused by lightning.Using a model established via ATP-EMTP for an existing 110 kV line in a mountainous area in Shanxi,this paper analyzes the impact of lightening through the change of grounding resistance,change of insulation level as well as an added lightening arrestor of the line,thus providing reference for better lightening protection in the respect of design and maintenance of lines in mountainous areas. |
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| Keywords: | lightning overvoltage ATP-EMTP line arrester grounding resistance insulator |
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