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Methodology for Rotor Angle Transient Stability Assessment in Parameter Space
KTH, School of Electrical Engineering (EES), Electric power and energy systems. (Power System Operation and Control)ORCID iD: 0000-0002-2464-5378
KTH, School of Electrical Engineering (EES), Electric power and energy systems. (Power System Operation and Control)ORCID iD: 0000-0002-6431-9104
ABB.
2016 (English)In: IEEE Transactions on Power Systems, ISSN 0885-8950, E-ISSN 1558-0679, no 99Article in journal (Refereed) Published
Abstract [en]

In this paper, an efficient methodology to assess Rotor Angle Stability (RAS) in parameter-space has been proposed. This methodology maps deformations of the power system RAS region under operational changes to a security region in parameter-space that can be assessed on-line. In order to choose the proper parametrization, security boundaries have been constructed using polynomial regression models with coefficients obtained from Ordinary Least Squares (OLS). The identification of suitable parametrization has been carried out, and the newly introduced sensitivity of a SIngle Machine Equivalent (SIME) has been employed to describe the behaviour of a power system along different parameter-space directions. For the chosen parametrization, Constrained Least Squares (CLS) optimization set up as a Quadratic Programming (QP) problem has been used in order to keep the estimates inside the security region. The case study has been carried out using small test systems in two and three-dimensional parameter-spaces.

Place, publisher, year, edition, pages
IEEE, 2016. no 99
Keyword [en]
Parametrization, quadratic programming, security region, SIME, transient stability
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-198514DOI: 10.1109/TPWRS.2016.2571562OAI: oai:DiVA.org:kth-198514DiVA: diva2:1057257
Projects
Dynamic security region assessment
Note

QC 20161219

The research funder of the project "Dynamic security region assessment" is the Erasmus Mundus Agency of the European Commission (EACEA).

Available from: 2016-12-16 Created: 2016-12-16 Last updated: 2016-12-19Bibliographically approved

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Oluic, MarinaGhandhari, Mehrdad
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
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More styles
Language
  • de-DE
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Output format
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