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- Title
Comparison of Numerical Methods and Open-Source Libraries for Eigenvalue Analysis of Large-Scale Power Systems.
- Authors
Tzounas, Georgios; Dassios, Ioannis; Liu, Muyang; Milano, Federico
- Abstract
This paper discusses the numerical solution of the generalized non-Hermitian eigenvalue problem. It provides a comprehensive comparison of existing algorithms, as well as of available free and open-source software tools, which are suitable for the solution of the eigenvalue problems that arise in the stability analysis of electric power systems. The paper focuses, in particular, on methods and software libraries that are able to handle the large-scale, non-symmetric matrices that arise in power system eigenvalue problems. These kinds of eigenvalue problems are particularly difficult for most numerical methods to handle. Thus, a review and fair comparison of existing algorithms and software tools is a valuable contribution for researchers and practitioners that are interested in power system dynamic analysis. The scalability and performance of the algorithms and libraries are duly discussed through case studies based on real-world electrical power networks. These are a model of the All-Island Irish Transmission System with 8640 variables; and, a model of the European Network of Transmission System Operators for Electricity, with 146,164 variables.
- Subjects
INDEPENDENT system operators; ELECTRIC power system stability; NONSYMMETRIC matrices; EIGENVALUES; SOFTWARE development tools; SOFTWARE libraries (Computer programming)
- Publication
Applied Sciences (2076-3417), 2020, Vol 10, Issue 21, p7592
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app10217592