New multiphase mode domain transmission line model

被引:10
|
作者
Tavares, MC [1 ]
Pissolato, J [1 ]
Portela, CM [1 ]
机构
[1] Univ Sao Paulo, Sao Carlos Engn Sch, BR-13560250 Sao Paulo, Brazil
关键词
transmission line model; frequency dependence; mode domain; electromagnetic transients;
D O I
10.1016/S0142-0615(99)00023-X
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 article presents a new model to represent transmission lines including the frequency dependence of longitudinal parameters. The model uses exact modes, for ideally transposed lines, and "quasi-modes" for non-transposed lines. The line is represented through a cascade of pi-circuits, with one pi-circuit for each mode. The transformation matrix used is real and it is modeled with ideal transformers. The model is described for three-phase lines, dc lines, double three-phase lines and six-phase lines. An ATP-EMTP implementation of a 440 kV three-phase transmission line is performed to illustrate the model and a comparison with two frequency dependent ATP line models are made, the Semlyen and JMarti ones. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:585 / 601
页数:17
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