| 无跨越架不停电跨越架线的跨越档设计参数选择 |
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| 引用本文： | 李庆林,凌一朋,郭学闻.无跨越架不停电跨越架线的跨越档设计参数选择[J].电力建设,2009,30(6):54-57. |
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| 作者姓名： | 李庆林 凌一朋 郭学闻 |
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| 作者单位： | 广西送变电建设公司 |
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| 摘 要： | 架空送电线路无跨越架不停电跨越架线时,为保护被跨越的运行电力线,通常在跨越档采用全封网或局部封网布置。文章针对跨越档全封网布置,且选用迪尼玛绳作为承载索时,跨越档应限制的档距及跨越档档端铁塔应增加的高度进行计算分析,为跨越档的设计参数选择提出了建议。
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| 关 键 词： | 不停电跨越架线 全封网布置 设计参数 跨越档档距 跨越档档端杆塔高度 |
Crossing Span Design Parameter Selection of Crossing Line Installation without Crossing Structure above Live-line |
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| LI Qing-lin,LING Yi-peng,GUO Xu-wen.Crossing Span Design Parameter Selection of Crossing Line Installation without Crossing Structure above Live-line[J].Electric Power Construction,2009,30(6):54-57. |
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| Authors: | LI Qing-lin LING Yi-peng GUO Xu-wen |
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| Affiliation: | LI Qing-lin,LING Yi-peng,GUO Xu-wen(Guangxi Transmission , Transformation Construction Company,Naning 530031,China) |
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| Abstract: | When overhead transmission line is under installation without crossing structure above live-line,the crossing span is normally covered by a whole closed or partially closed net to protect the crossed powered live-line. The paper calculates and analyzes the span limited by the crossed span and height increase of crossed span end tower according to whole closed net over crossing span and Dyneema rope as bearing ropes. Comments are given for crossing span design parameter selection. |
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| Keywords: | crossing line installation above live-line whole closed net arrangement design parameter crossed span distance crossing span end tower height |
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