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Coherency-Independent Structured Model Reduction of Power Systems
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Electric Power Systems. Statnett SF Research and Development, Norway.ORCID iD: 0000-0002-4125-1055
KTH, School of Electrical Engineering (EES), Electric Power Systems.ORCID iD: 0000-0002-4867-0797
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0003-1835-2963
2014 (English)In: IEEE Transactions on Power Systems, ISSN 0885-8950, E-ISSN 1558-0679, Vol. 29, no 5, 2418-2426 p.Article in journal (Refereed) Published
Abstract [en]

This paper proposes a new model reduction algorithm for power systems based on an extension of balanced truncation. The algorithm is applicable to power systems which are divided into a study area which requires a high-fidelity model and an external area, making up most of the power system, which is to be reduced. The division of the power system can be made arbitrarily and does not rely on the identification of coherent generators. The proposed algorithm yields a reduced order system with a full non-linear description of the study area and a reduced linear model of the external area.

Place, publisher, year, edition, pages
2014. Vol. 29, no 5, 2418-2426 p.
Keyword [en]
Dynamic equivalents, internal systems, model reduction of power systems, structured model reduction
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-152568DOI: 10.1109/TPWRS.2014.2302871ISI: 000341190700043Scopus ID: 2-s2.0-84906781165OAI: oai:DiVA.org:kth-152568DiVA: diva2:750667
Funder
Swedish Research Council, 2007-6350 2009-4565Swedish Foundation for Strategic Research StandUp
Note

QC 20140929

Available from: 2014-09-29 Created: 2014-09-29 Last updated: 2017-12-05Bibliographically approved

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Vanfretti, LuigiChompoobutrgool, YuwaSandberg, Henrik

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