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Article: On convexity of power flow feasibility boundary

TitleOn convexity of power flow feasibility boundary
Authors
KeywordsConvexity
Optimization
Power Flow Feasibility Boundary
Security
Stability
Issue Date2008
PublisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=59
Citation
Ieee Transactions On Power Systems, 2008, v. 23 n. 2, p. 811-813 How to Cite?
AbstractPower flow feasibility boundaries are constraints limiting the operating transmission capability and the available stability (security) margin of the system. The convexity properties of this boundary are important to the analytical description of its shape (including the needs of approximation) and for the calculation of security margins. These analyses are significantly simplified if the boundary is convex. The conjecture that the boundary is convex in the space of system parameters has been used over a long time. However, some alarming experimental counterexamples already exist which show that this boundary is not always convex. In this letter, an analytical approach is presented to analyze the convexity properties of the power flow feasibility boundary. In particular, the approach helps to identify nonconvex parts of the boundary. Numerical case studies illustrate the effectiveness of the approach. © 2008 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/169711
ISSN
2015 Impact Factor: 3.342
2015 SCImago Journal Rankings: 4.126
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorMakarov, YVen_US
dc.contributor.authorDong, ZYen_US
dc.contributor.authorHill, DJen_US
dc.date.accessioned2012-10-25T04:54:20Z-
dc.date.available2012-10-25T04:54:20Z-
dc.date.issued2008en_US
dc.identifier.citationIeee Transactions On Power Systems, 2008, v. 23 n. 2, p. 811-813en_US
dc.identifier.issn0885-8950en_US
dc.identifier.urihttp://hdl.handle.net/10722/169711-
dc.description.abstractPower flow feasibility boundaries are constraints limiting the operating transmission capability and the available stability (security) margin of the system. The convexity properties of this boundary are important to the analytical description of its shape (including the needs of approximation) and for the calculation of security margins. These analyses are significantly simplified if the boundary is convex. The conjecture that the boundary is convex in the space of system parameters has been used over a long time. However, some alarming experimental counterexamples already exist which show that this boundary is not always convex. In this letter, an analytical approach is presented to analyze the convexity properties of the power flow feasibility boundary. In particular, the approach helps to identify nonconvex parts of the boundary. Numerical case studies illustrate the effectiveness of the approach. © 2008 IEEE.en_US
dc.languageengen_US
dc.publisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=59en_US
dc.relation.ispartofIEEE Transactions on Power Systemsen_US
dc.subjectConvexityen_US
dc.subjectOptimizationen_US
dc.subjectPower Flow Feasibility Boundaryen_US
dc.subjectSecurityen_US
dc.subjectStabilityen_US
dc.titleOn convexity of power flow feasibility boundaryen_US
dc.typeArticleen_US
dc.identifier.emailHill, DJ:en_US
dc.identifier.authorityHill, DJ=rp01669en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/TPWRS.2008.919307en_US
dc.identifier.scopuseid_2-s2.0-43849092462en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-43849092462&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume23en_US
dc.identifier.issue2en_US
dc.identifier.spage811en_US
dc.identifier.epage813en_US
dc.identifier.isiWOS:000258765900064-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridMakarov, YV=35461311800en_US
dc.identifier.scopusauthoridDong, ZY=7402274708en_US
dc.identifier.scopusauthoridHill, DJ=35398599500en_US

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