| 220kV气体组合绝缘变电站避雷器保护距离的研究 |
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| 引用本文： | 喻准,张颖. 220kV气体组合绝缘变电站避雷器保护距离的研究[J]. 计算技术与自动化, 2009, 28(1) |
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| 作者姓名： | 喻准 张颖 |
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| 作者单位： | 长沙理工大学电气与信息工程学院,湖南,长沙,410076;湖南省计量检测研究院,湖南,长沙,410114;长沙理工大学电气与信息工程学院,湖南,长沙,410076 |
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| 摘 要： | 从220kV GIS(Gas Insulated Switchgear)气体组合绝缘变电站实际典型接线出发,结合站内外实际情况,在考虑到各种影响的情况下采用ATP-EMTP进行仿真分析,找出在雷电侵入波下避雷器安装的位置与主变过电压分布规律,对于无电缆进线段的GIS变电站,主变上的过电压随避雷器与主变距离呈快速上升趋势.避雷器与主变距离,小于180m时,有无CVT无明显差别;当距离大于180m时,主变上过电压趋于饱和.该保护距离的研究可供变电站避雷器的安装提供参考.
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| 关 键 词： | 220kVGIS变电站 雷电侵入渡 避雷器 过电压 |
Research on Protective Distance of 220kV GIS Substation |
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| YU Zhun,ZHANG Yin. Research on Protective Distance of 220kV GIS Substation[J]. Computing Technology and Automation, 2009, 28(1) |
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| Authors: | YU Zhun ZHANG Yin |
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| Affiliation: | 1.Changsha University of Science & Technology College of Electrical and Information Engineering;Changsha 410076;China;2.Institute of Metrology and Measurement;Changsha 410114;China |
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| Abstract: | This article according to internal and external actual situation from the typical 220 kV substation connection,ATP-EMTP simulation program is applied to simulate and analyze under all effect is to be considered,the rules of over-voltage of transformer and the position of arrester is founded,and for the GIS substation without incoming cable segment,the over-voltage of the main transformer increases with the distance between the arrester and the main transformer.if the distance between the arrester and the ma... |
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| Keywords: | 220kV GIS substation lightning incoming surge arrester over-voltage |
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