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

Content Provider	IEEE Xplore Digital Library
Author	Nam, H.K. Song, S.G. Shim, K.S. Kim, D.J. Moon, Y.H. Moon, C.J.
Copyright Year	2000
Description	Author affiliation: Dept. of Electr. Eng., Chonnam Nat. Univ., Kwangju, South Korea (Nam, H.K.)
Abstract	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.
Starting Page	872
Ending Page	876
File Size	480911
Page Count	5
File Format	PDF
ISBN	0780359356
DOI	10.1109/PESW.2000.850041
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-01-23
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stability analysis Large-scale systems Power system analysis computing Power system stability Eigenvalues and eigenfunctions Power system interconnection System testing Moon Voltage Iterative algorithms
Content Type	Text
Resource Type	Article

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