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Coherency Estimation in Power Systems: A Koopman Operator Approach
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Electric Power and Energy Systems.
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2019 (English)In: Springer Optimization and Its Applications, Springer International Publishing , 2019, p. 201-225Chapter in book (Refereed)
Abstract [en]

Integrating a significant amount of non-synchronous generation into power systems creates new technical challenges for transmission systems. The research and understanding of the impact of the non-synchronous generation through back-to-back Full Rated Converters’ (FRCs) on power system’s coherency is a matter of importance. Coherency behavior under the presence of large inclusion of non-synchronous generation requires more research, in order to understand the forming groups, after a disturbance, when the inertia is decreasing due to the decoupling. This document presents the application of the so-called Koopman Operator for the identification of coherent groups in power systems with the influence of non-synchronous generation. The Koopman Analysis clusters the coherent groups based on the measurements obtained. The visualization of the coherent groups identified allows to observe their dynamic variations according to the penetration level or fault location. The applied method of coherency identification is evaluated in the Nordic test system through gradually increasing integration of non-synchronous generations and different fault scenarios.

Place, publisher, year, edition, pages
Springer International Publishing , 2019. p. 201-225
Series
Springer Optimization and Its Applications, ISSN 1931-6828, E-ISSN 1931-6836 ; 150
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-263930DOI: 10.1007/978-3-030-25446-9_9Scopus ID: 2-s2.0-85073233666ISBN: 978-3-030-25445-2 (print)ISBN: 978-3-030-25446-9 (electronic)OAI: oai:DiVA.org:kth-263930DiVA, id: diva2:1371209
Note

QC 20191119

Available from: 2019-11-19 Created: 2019-11-19 Last updated: 2019-11-22Bibliographically approved

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Chamorro Vera, Harold Rene

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CiteExportLink to record
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Citation style
  • apa
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  • nn-NO
  • nn-NB
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More languages
Output format
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