A characteristics-based finite element method for transmission line problem

被引：4
|
作者：
Lucic, Rino [1 ]
Juric-Grgic, Ivica [1 ]
Lovric, Dino [1 ]
机构：
[1] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split 21000, Croatia
来源：
ELECTRIC POWER SYSTEMS RESEARCH | 2012年 / 84卷 / 01期
关键词：
Transmission line; Finite element method; Generalized method of characteristics; ELECTROMAGNETIC TRANSIENTS; FEM ANALYSIS; NETWORKS; CORONA;
D O I：
10.1016/j.epsr.2011.10.018
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 presents a numerical model of transmission line equations based on a combination of the finite element method and the generalized method of characteristics. A local system of the transmission line finite element is obtained using the generalized method of characteristics applied to the Telegrapher's equations. In this way, a spatial functional approximation using local shape functions together with the generalized trapezoidal rule used for time integration as it is done in the classical finite element formulation is avoided and higher accuracy of results is obtained. In order to show the essential principles of the proposed numerical method, for sake of simplicity, the scope of the paper is restricted to a single transmission line problem at the low frequency regime. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：152 / 158
页数：7
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