Assessing the dynamic rating of overhead transmission lines

被引:14
|
作者
Saied, Mohamed M. [1 ]
机构
[1] Kuwait Univ, Coll Engn & Petr, Dept Elect Engn, Kuwait 13060, Kuwait
来源
关键词
power transmission lines; conductors; heating; limiting; temperature; wind; monitoring;
D O I
10.1002/etep.151
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper addresses the achievable advantage of the dynamic rating of overhead power lines based on the continuous monitoring of the ambient temperature and wind speed. Starting from their measured profiles on a typical summer day, the corresponding possible current loading of the line could be determined over the 24 hours. It is then compared with the conventional line rating calculated using the maximum daily temperature and the typically assumed value of 0.6m/s for the wind speed. The additional daily transmitted energy resulting from the dynamic line rating (DLR) could be found. The procedure is applied to lines of different conductor radii. Results indicate an achievable increase in the daily transmitted energy of about 40%. Copyright (C) 2007 John Wiley & Sons, Ltd.
引用
收藏
页码:526 / 536
页数:11
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