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Reduced-Complexity Semidefinite Relaxations of Optimal Power Flow Problems
Technical University of Denmark, Lyngby, Denmark .
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
University of California (UCLA), Los Angeles, CA, USA.
2014 (English)In: IEEE Transactions on Power Systems, ISSN 0885-8950, Vol. 29, no 4, 1855-1863 p.Article in journal (Refereed) Published
Abstract [en]

We propose a new method for generating semidefinite relaxations of optimal power flow problems. The method is based on chordal conversion techniques: by dropping some equality constraints in the conversion, we obtain semidefinite relaxations that are computationally cheaper, but potentially weaker, than the standard semidefinite relaxation. Our numerical results show that the new relaxations often produce the same results as the standard semidefinite relaxation, but at a lower computational cost.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE) , 2014. Vol. 29, no 4, 1855-1863 p.
Keyword [en]
Chordal conversion; optimal power flow; semidefinite relaxation
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:liu:diva-109172DOI: 10.1109/TPWRS.2013.2294479ISI: 000338189600037OAI: diva2:737375
Available from: 2014-08-12 Created: 2014-08-11 Last updated: 2015-08-04Bibliographically approved

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