Time-domain treatment of multi-layer soil in transient analysis of aerial multi-conductor transmission lines

被引：1

作者：

Lu, TB ^{[1
]}

Qi, L ^{[1
]}

Cui, X ^{[1
]}

机构：

[1] N China Elect Power Univ, Baoding 071003, Hebei, Peoples R China

来源：

2003 IEEE International Symposium on Electromagnetic Compatibility (EMC), Vols 1 and 2, Symposium Record | 2003年

关键词：

FDTD; ground return impedance; MTLs; multi-layer soil; wave propagation;

D O I：

10.1109/ICSMC2.2003.1428214

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：

Based on the complex ground return plane method and Maxwell's equations, the ground return impedance of aerial Multi-conductor Transmission Lines (MTLs) above multi-layer soil is researched in frequency domain, and its time-domain expression is obtained by using the vector fitting method and inverse Laplace transform. After the validity of the method above is tested, the effect of the multi-layer soil is included in the FDTD method based on recursive convolution in order to research the wave process of aerial MTLs. The method proposed is demonstrated to give the same results as the famous software EMTP, and to have a little difference from the results of Method of Moment (MoM) Finally, two examples are analyzed.

引用

页码：139 / 142

页数：4

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