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Transient losses in synchronizing renewable energy integrated power networks
KTH, School of Electrical Engineering (EES), Automatic Control. Johns Hopkins University, USA.ORCID iD: 0000-0001-8975-1801
The Johns Hopkins University, USA.
2014 (English)In: American Control Conference (ACC), 2014, IEEE , 2014, 5217-5223 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper quantifies the transient power losses incurred in re-synchronizing a network of generators and loads. The power system is represented using a network preserving model with loads and asynchronous generators modeled as frequency dependent power injections, which we refer to as ‘first-order oscillators’. Coupling these models with the swing equations of traditional generators leads to a mixed-oscillator system. The power flows used to maintain network synchronization induce resistive (real power) losses in the system, which we quantify through an H2 norm that is shown to scale with network size. Our results also show that given a fixed network size, this H2 norm is the same for first-order, second-order and mixed-oscillator systems, provided that the damping coefficients are all equal. Therefore, if the renewable power generators being added to a power network can be controlled so that their effective dampings match those of the existing generators, they will not increase transient power losses in the system.

Place, publisher, year, edition, pages
IEEE , 2014. 5217-5223 p.
Series
American Control Conference. Proceedings, ISSN 0743-1619
Keyword [en]
Control of networks, Linear systems, Power systems
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-154062DOI: 10.1109/ACC.2014.6858992Scopus ID: 2-s2.0-84905715108ISBN: 978-147993272-6 (print)OAI: oai:DiVA.org:kth-154062DiVA: diva2:754979
Conference
2014 American Control Conference, ACC 2014, Portland, OR, United States, 4 June 2014 through 6 June 2014.
Note

QC 20150216

Available from: 2014-10-13 Created: 2014-10-13 Last updated: 2015-02-16Bibliographically approved

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Sjödin, Emma

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CiteExportLink to record
Permanent link

Direct link
Cite
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
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf