A Noniterative Approximation of a Full-Wave Model of Thin Wire Above and Buried in a Lossy Ground

被引：4

作者：

Siqueira de Lima, Antonio Carlos ^{[1
]}

Cardillo Magalhaes, Antonio Paulo ^{[1
]}

Darski Rocha, Paulo Eduardo ^{[2
]}

Meyberg, Ruyguara A. ^{[1
]}

Correia de Barros, Maria Teresa ^{[3
]}

机构：

[1] Univ Fed Rio de Janeiro, BR-21941901 Rio De Janeiro, Brazil

[2] Univ Estado Rio De Janeiro, Coll Engn, BR-21941901 Rio De Janeiro, Brazil

[3] Univ Lisbon, Inst Super Tecn, P-1649004 Lisbon, Portugal

来源：

IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY | 2018年 / 60卷 / 06期

关键词：

Computational electromagnetics; numerical methods and modeling; transmission line analysis and testing; TRANSMISSION-LINE; INTEGRAL-EQUATION; MODAL THEORY; PROPAGATION; RETURN; EARTH; IMPEDANCES; SIMULATION; RANGE;

D O I：

10.1109/TEMC.2017.2762241

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 work proposes a formulation to overcome some of the numerical challenges of a full-wave model of a lossy single-phase overhead line or a bare underground conductor without significant loss of accuracy. This approach is defined as a quasi full-wave approximation which consists to a non-iterative approach to avoid solving the integral equation associated with a full-wave model. For the sake of comparison, four possibilities are considered in the evaluation, namely: full-wave, quasi-full-wave, quasi-transverse-electromagnetic and image approximations. The results show that the loss of information of the proposal approach is minimal and it can be used for a suitable evaluation of the electromagnetic fields associated with the overhead line or buried conductor.

引用

页码：1873 / 1881

页数：9

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