Convex Relaxation of Power Dispatch for Voltage Stability Improvement

Research output: Research - peer-reviewArticle in proceedings – Annual report year: 2015

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A method for enhancing the voltage stability ofa power system is presented in this paper. The method isbased on a stability-constrained optimal power flow approach,where dispatch is done such that a maximum L-index isminimised for all load busses in a transmission grid. It isshown that optimal dispatch is obtainable with enhancedmargins for voltage stability using a semidefinite relaxation ofthe optimal power flow problem, and that this problem canbe formulated as semidefinite program with a quasi-convexobjective. Numerical tests are performed on the IEEE-30 busand BPA systems. The feasibility of the method is demonstratedthrough demonstrating that improved voltage stability marginsare obtained for both systems.
Original languageEnglish
Title of host publicationProceedings of the 2015 IEEE Multi-Conference on Systems and Control (MSC)
PublisherIEEE
Publication date2015
Pages1528-1533
ISBN (Print)9781479977871
DOIs
StatePublished - 2015
Event2015 IEEE Multi-Conference on Systems and Control - Novotel Pacific hotel, Manly, Sydney, Australia
Duration: 21 Sep 201523 Sep 2015

Conference

Conference2015 IEEE Multi-Conference on Systems and Control
LocationNovotel Pacific hotel, Manly
CountryAustralia
CitySydney
Period21/09/201523/09/2015
CitationsWeb of Science® Times Cited: No match on DOI
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