Hessenberg method for small signal stability analysis of large scale power systems

被引：0
|
作者：
Nam, HK [1 ]
Song, SG [1 ]
Shim, KS [1 ]
Kim, DJ [1 ]
Moon, YH [1 ]
Moon, CJ [1 ]
机构：
[1] Chonnam Natl Univ, Dept Elect Engn, Kwangju, South Korea
来源：
2000 IEEE POWER ENGINEERING SOCIETY WINTER MEETING - VOLS 1-4, CONFERENCE PROCEEDINGS | 2000年
关键词：
small signal stability; Hessenberg method; eigenvalue; augmented matrix;
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：
This paper presents the Hessenberg method, a new sparsity-based small signal stability analysis program for large interconnected power systems. The Hessenberg method as well as the Arnoldi method computes the partial eigen-solution of large systems. However, the Hessenberg method with pivoting is numerically very stable comparable to the Householder method and thus re-orthogonalization of the Krylov vectors is not required. The fractional transformation with a complex shift is used to compute the modes around the shift point. The program has been successfully tested on the New England 10-machine 39-bus system and Korea Electric Power Co. (KEPCO) system in the year of 2000, which is comprised of 791-bus, 1575-branch, and 215-machines. The method is so efficient that CPU time for computing five eigenvalues of the KEPCO system is 3.6 sec by a PC with 400 MHz Pentium II processor.
引用
收藏
页码：872 / 876
页数：3
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