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A comparison of eigenvalues obtained with two dynamic simulation software packages
KTH, Superseded Departments, Electrical Systems.
KTH, School of Electrical Engineering (EES), Electric Power Systems.ORCID iD: 0000-0002-8189-2420
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2003 (English)In: 2003 IEEE Bologna Power Tech Conference Proceedings, IEEE , 2003, Vol. 2Conference paper (Refereed)
Abstract [en]

Eigenvalues of a power system give a good picture of the stability in the current operating point. In this paper the linear analysis capabilities of two software packages are evaluated and compared. It is shown in which way the linearization method influences the results, i.e., the location of the obtained eigenvalues in the complex plane. Further, the paper illustrates the impact of the models of the power system components (such as generators) on the location of the eigenvalues. The conclusions drawn from eigenvalue analysis are thus not only dependent on the properties of the investigated system, but also on the software package which is used, as well as on how the components of the power system are modeled. Therefore, conclusions can differ when studying the same power system with different software packages.

Place, publisher, year, edition, pages
IEEE , 2003. Vol. 2
Keyword [en]
PSS; dynamic simulation; eigenvalue analysis; linearization methods; power system components; power system dynamics; power system stability; sensitivity analysis; simulation software; small-signal stability; software packages; eigenvalues and eigenfunctions; linearisation techniques; power system dynamic stability; power system simulation; sensitivity analysis;
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-52578DOI: 10.1109/PTC.2003.1304317ISBN: 0-7803-7967-5OAI: diva2:467155
2003 IEEE Bologna PowerTech Conference. June 23-26. Bologna, Italy
© 2003 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.QC 20111221Available from: 2012-01-18 Created: 2011-12-19 Last updated: 2012-01-27Bibliographically approved

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