Algorithmic evaluation of underground cable earth impedances

被引：35
|
作者：
Uribe, FA [1 ]
Naredo, JL
Moreno, P
Guardado, JL
机构：
[1] CINVESTAV, Guadalajara 45090, Jalisco, Mexico
[2] Inst Technol Morelia, Morelia 58120, Michoacan, Mexico
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2004年 / 19卷 / 01期
关键词：
cable parameters; earth return impedances; Pollaczek's integral; underground transmission;
D O I：
10.1109/TPWRD.2003.820181
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：
A comprehensive analysis of Pollaczek's integral is presented in this paper. It reveals the difficulties found when attempting its numerical solution. This analysis further provides a strategy to avoid these difficulties. A numerical algorithm is then proposed and implemented. Solutions to Pollaczek's integral are provided in graphic form for a broad range of applications. Normalized earth impedances also are provided for underground cables within the same broad application range. Finally, the normalized impedances are compared against those from a widely used approximation.
引用
收藏
页码：316 / 322
页数：7
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