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Semi-active wide-area fault-tolerant control in electric power systems
KTH, School of Electrical Engineering (EES), Electric Power Systems.
2014 (English)In: Proceedings of the 19th IFAC World Congress, 2014, International Federation of Automatic Control (IFAC) , 2014, 3605-3610 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper is presented a semi-active fault-tolerant control (SAFTC) as an alternative to reconfigurable or self-repairing fault-tolerant architectures with application to power systems. The final goal is to achieve stability and a minimum level of system performance following the completely loss of the feedback signals in the controller, which in this case are remote wide-area signals. The proposed controller is designed under the framework of Linear Matrix Inequalities (LMIs) to achieve pole placement. The semi-active design is compared against and ordinary or non-fault-tolerant control design to highlight that following the loss of a wide-area signal in the control, the closed loop response can lead to instability in the non-fault-tolerant case. The results are validated through nonlinear simulations results using a reduced version of the Nordic power system where the effectiveness of the proposed approach is demonstrated.

Place, publisher, year, edition, pages
International Federation of Automatic Control (IFAC) , 2014. 3605-3610 p.
Keyword [en]
Control of energy systems, Fault-tolerant control, Linear matrix inequalities, Wide-area monitoring and control
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-170520Scopus ID: 2-s2.0-84929759475ISBN: 9783902823625 (print)OAI: oai:DiVA.org:kth-170520DiVA: diva2:839544
Conference
19th IFAC World Congress on International Federation of Automatic Control, IFAC 2014, Cape Town, South Africa, 24 August 2014 through 29 August 2014
Note

QC 20150703

Available from: 2015-07-03 Created: 2015-07-01 Last updated: 2015-07-03Bibliographically approved

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Citation style
  • apa
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  • vancouver
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More styles
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  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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