| 高海拔地区架空输电线路外绝缘和塔头空气间隙计算 |
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| 引用本文： | 周安春,李字明,何长华. 高海拔地区架空输电线路外绝缘和塔头空气间隙计算[J]. 电力建设, 2011, 32(1): 38-40. DOI: 10.3969/j.issn.1000-7229.2011.01.010 |
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| 作者姓名： | 周安春 李字明 何长华 |
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| 作者单位： | 1. 黑龙江省电力有限公司,哈尔滨市,150090
2. 中国电力科学研究院,北京市,100192 |
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| 摘 要： | 针对西藏110 kV当-那-安线故障频发现象,分析了线路故障跳闸的原因,得出了高海拔地区空气密度、大气压强的变化对架空输电线路安全可靠运行的影响.在满足线路安全运行及控制线路合理造价的基础上,推导了高海拔地区新建架空输电线路外绝缘及空气间隙计算方法,可有效解决高海拔地区新建架空输电线路外绝缘和塔头空气间隙的设计配置问题...
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| 关 键 词： | 高海拔地区 架空输电线路 绝缘设计 外绝缘 塔头空气间隙 整改措施 |
| 收稿时间： | 2010-09-15 |
| 修稿时间： | 2010-09-10 |
Design for External Insulation of Over-head Power Transmission Line and Air Gap of Transmission Tower in High Altitude Area |
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| WU Yongcun,LI Ziming,HE Changhua. Design for External Insulation of Over-head Power Transmission Line and Air Gap of Transmission Tower in High Altitude Area[J]. Electric Power Construction, 2011, 32(1): 38-40. DOI: 10.3969/j.issn.1000-7229.2011.01.010 |
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| Authors: | WU Yongcun LI Ziming HE Changhua |
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| Affiliation: | 1.Heilongjiang Electric Power Co.Ltd.,Haerbin 150090,China;2.China Electric Power Research Institute,Beijing 100192,China) |
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| Abstract: | In allusion to the frequent accidents occurred in the 110 kV Dangxiong-Naqu-Anduo transmission line in Tibet, reasons for line trip were researched. It was analyzed that changes of atmosphere density and atmosphere pressure can affect the safety and stability of over-head power transmission lines’operation. On the basis of maintaining safe operation at a reasonable project cost, the algorithms for the external insulation design of newly-constructed over-head transmission lines, and the air gap of transmission towers in high altitude areas were deduced, which can effectively solve problems in this regard. |
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| Keywords: | high altitude area over-head power transmission line insulation design external insulation air gap of transmission tower rectification measures |
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