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

页码：872 / 876

页数：3

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