| 广西500 kV输电线路覆冰倒塔原因分析 |
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| 引用本文： | 彭 坚,刘 强,曹珍崇,吴 磊,徐 勇. 广西500 kV输电线路覆冰倒塔原因分析[J]. 电网与水力发电进展, 2008, 24(4): 9-14 |
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| 作者姓名： | 彭 坚 刘 强 曹珍崇 吴 磊 徐 勇 |
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| 作者单位： | 广西电力工业勘察设计研究院;广西电力工业勘察设计研究院;广西电力工业勘察设计研究院;广西电力工业勘察设计研究院;广西电力工业勘察设计研究院 |
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| 摘 要： | 以500kV柳桂线倒塔事故段为例进行荷载模拟计算分析，得出在不同覆冰厚度时导地线和光缆断线原因，以及不均匀覆冰和覆冰断线工况下铁塔受力情况，由计算结果分析了该事故段铁塔倒塌的事故原因，并对500kV输电线路提出加固改造和系统规划建议。
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| 关 键 词： | 输电线路 输电铁塔 覆冰 极限承载力 |
| 文章编号： | 1674-0009(2008)04-0009-06 |
| 修稿时间： | 2008-03-25 |
Cause Analysis of Ice Coating and Tower Collapses and Research on Enhancing Design Capacity of Anti-Ice in Guangxi 500 kV Transmission Line |
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| PENG Jian,LIU Qiang,CAO Zhen-chong,WU Lei and XU Yong. Cause Analysis of Ice Coating and Tower Collapses and Research on Enhancing Design Capacity of Anti-Ice in Guangxi 500 kV Transmission Line[J]. Advance of Power System & Hydroelectric Engineering, 2008, 24(4): 9-14 |
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| Authors: | PENG Jian LIU Qiang CAO Zhen-chong WU Lei XU Yong |
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| Affiliation: | Guangxi Electric Power Industry Investigation Design and Research Institute;Guangxi Electric Power Industry Investigation Design and Research Institute;Guangxi Electric Power Industry Investigation Design and Research Institute;Guangxi Electric Power Industry Investigation Design and Research Institute;Guangxi Electric Power Industry Investigation Design and Research Institute |
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| Abstract: | The paper takes 500 kV Liu-gui line as an example, calculates simulative load of its tower collapses, analysises the breakage reason of transmission conductor and optical cable, researches on the mechanics characteristic of tower in irregular icing and transmission line breakage condition, finds the reason of tower collapses and gives suggestion that rebuilding measures of improving anti-ice ability of 220 kV transmission line in Guangxi according to the analysis results. |
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| Keywords: | transmission line tower ice coating ultimate load carrying capacity |
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