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Coordinated frequency control through MTDC transmission systems
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-7309-8086
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9940-5929
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2015 (English)In: IFAC Proceedings, Elsevier, 2015, Vol. 48, no 22, 106-111 p.Conference paper, Published paper (Refereed)
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Text
Abstract [en]

In this paper we propose a distributed dynamic controller for sharing frequency control reserves of asynchronous AC systems connected through a multi-terminal HVDC (MTDC) grid. We derive sufficient stability conditions, which guarantee that the frequencies of the AC systems converge to the nominal frequency. Simultaneously, the global quadratic cost of power generation is minimized, resulting in an optimal distribution of generation control reserves. The proposed controller also regulates the voltages of the MTDC grid, asymptotically minimizing a quadratic cost function of the deviations from the nominal voltages. The proposed controller is tested on a high-order dynamic model of a power system consisting of asynchronous AC grids, modelled as IEEE 14 bus networks, connected through a six-terminal HVDC grid. The performance of the controller is successfully evaluated through simulation.

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 48, no 22, 106-111 p.
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-187103DOI: 10.1016/j.ifacol.2015.10.315Scopus ID: 2-s2.0-84954323220OAI: oai:DiVA.org:kth-187103DiVA: diva2:929389
Conference
5th IFAC Workshop on Distributed Estimation and Control in Networked Systems, NecSys 2015; University of Pennsylvania in PhiladelphiaPhiladelphia; United States
Note

QC 20160518

Available from: 2016-05-18 Created: 2016-05-17 Last updated: 2017-06-07Bibliographically approved

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Andreasson, MartinDimarogonas, DimosJohansson, Karl Henrik
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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