| 广西221 kV输电线路冰灾事故分析 |
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| 作者姓名： | 彭 坚 曹珍崇 覃 华 程思勇 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220 kV田挡线为例对导、地线的覆冰过载能力、覆冰对导、地线弧垂影响以及覆冰产生的不平衡张力等几方面进行了研究，分析了广西220 kV输电线路倒塔断线的原因。并根据分析的结果对220 kV输电线路提出了提高抗冰能力的改造措施。
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| 关 键 词： | 输电线路 覆冰 过载能力 不平衡张力 弧垂 |
Icing Fault Analysis and Design Research on Improving Icing-Resistance Ability of 221 kV Transmission Lines in Guangxi |
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| Authors: | PENG Jian CAO Zhen-chong QIN Hu CHENG Si-yong and 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: | ability and sag and unbalanced tension caused by icing of conductor and ground wire, analyzes the reasons of tower collapses and line breakage, and give suggestions of rebuilding measures to improve icing-resistance ability of 220 kV transmission Line in Guangxi according to the analysis results. |
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| Keywords: | transmission line ice coating overburden ability unbalanced tension sag |
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