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A probabilistic distance to the power system secure operation boundary
KTH, School of Electrical Engineering (EES), Electric Power Systems.
KTH, School of Electrical Engineering (EES), Electric Power Systems.ORCID iD: 0000-0002-8189-2420
2010 (English)In: 2010 IREP Symposium - Bulk Power System Dynamics and Control - VIII, IREP2010, 2010Conference paper, Published paper (Refereed)
Abstract [en]

Estimation of power system operation boundaries is an important issue in power system engineering. To make an adequate approximation of the operation boundary, not only the geometric properties of the boundary have to be taken under consideration but also the stochastic properties of the future injected power. In this paper two different distance functions on the power system operation boundary are suggested. The methods used to find the distance functions assumes that the future injected power can be modeled by a diffusion process. The proposed distance functions can be used when an approximation such as a Taylor's expansion of the power system operation boundary is needed. It is then suggested to use the point on the operation boundary that minimizes one of the proposed distance functions, as the basis for the approximation. Another possible application of the distance functions is when wanting to control power system equipment in order to increase stability margins.

Place, publisher, year, edition, pages
2010.
Keyword [en]
Control power, Diffusion process, Distance functions, Geometric properties, Injected power, Power system engineerings, Power system operations, Power systems, Probabilistic distance, Stability margins, Stochastic properties, Taylor's expansion, System theory, Control system stability
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-36366DOI: 10.1109/IREP.2010.5563303Scopus ID: 2-s2.0-77958039294ISBN: 9781424474677 (print)OAI: oai:DiVA.org:kth-36366DiVA: diva2:430709
Conference
Bulk Power System Dynamics and Control (iREP) - VIII (iREP), 2010 iREP Symposium
Note
QC 20110712Available from: 2011-07-12 Created: 2011-07-12 Last updated: 2011-07-12Bibliographically approved

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Söder, Lennart

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CiteExportLink to record
Permanent link

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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