Multi-state power system optimization

Husam Beides, G. T. Heydt

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations


An overall control strategy for power flow optimization is defined. In normal and alert states, reactive power control variables are used to minimize transmission losses and improve the reactive power security level, respectively. In the emergency state, any type of constraint violation is eliminated by using reactive power control variables to eliminate voltage violations and real power control variables to eliminate line overcurrents. Complete decoupling between real and reactive power flows is assumed, and coordination between the real and reactive power control variables is used to eliminate any type of constraint violations. The problem is linearized using simplified and constant sensitivity relationships, and the optimal solution is obtained using dual simplex linear programming with a relaxation technique. Test results on the IEEE-39 bus and the IEEE-118 bus systems have been included to show the effectiveness of the algorithm.

Original languageEnglish (US)
Title of host publicationProc Twenty First Ann North Am Power Symp
Editors Anon
PublisherPubl by IEEE
Number of pages10
ISBN (Print)0818620056
StatePublished - Dec 1 1989
Externally publishedYes
EventProceedings of the Twenty First Annual North American Power Symposium - Rolla, MO, USA
Duration: Oct 9 1989Oct 10 1989

Publication series

NameProceedings of the Annual North American Power Symposium


OtherProceedings of the Twenty First Annual North American Power Symposium
CityRolla, MO, USA

ASJC Scopus subject areas

  • Engineering(all)


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