Modal transformation obtained from Clarke's matrix - Asymmetrical three-phase case

被引：0
|
作者：
Prado, A. J. [1 ]
Pissolato Filho, J. [3 ]
Kurokawa, S. [2 ]
Bovolato, L. F. [2 ]
机构：
[1] Univ Estadual Londrina, DEE CTU UEL, Dept Elect Engn, Londrina, Brazil
[2] Univ Estadual Paulista, Dept Elect Engn, DEE FEIS UNESP, Paulista, Brazil
[3] Campinas Univ State, Dept Elect Engn, DSCE FEEC UNICAMP, BR-13081970 Campinas, SP, Brazil
来源：
2007 IEEE POWER ENGINEERING SOCIETY GENERAL MEETING, VOLS 1-10 | 2007年
基金：
巴西圣保罗研究基金会;
关键词：
Clarke's matrix; eigenvector; eigenvalue; frequency; mode domain; transformation matrix; transmission lines;
D O I：
暂无
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：
Some constant matrices can be used as phase-mode transformation matrices for transposed three-phase transmission tines. Clarke's matrix is one of these options. Its application as a phase-mode transformation matrix for untransposed three-phase transmission lines has been analyzed through error and frequency scan comparisons. Based on an actual untransposed asymmetrical three-phase transmission line example, a correction procedure is applied searching for better results from the Clarke's matrix applicaton as a phase-mode transformation matrix. The error analyses are carried out using Clarke's matrix and the new transformation matrices obtained from the correction procedure. Applying Clarke's matrix, the relative errors of the eigenvalue matrix elements can be considered negligible and the relative values of the off-diagonal elements are significant. If the the corrected transformation matrices are used, the relative values of the off-diagonal elements are decreased. Based on the results of these analyses, the homopolar mode is more sensitive to the frequency influence than the two other modes related to three-phase lines.
引用
收藏
页码：220 / +
页数：2
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