Analysis of some indexes to assess voltage stability of AC/DC transmission systems

Jorge W. Gonzalez, Idi A. Isaac, Hugo A. Cardona, Gabriel J. Lopez

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    5 Scopus citations

    Abstract

    In this paper, a new index is proposed to find further information on voltage stability of ac/dc systems and reactive power requirements. The index defines two types of systems from the point of view of voltage stability and reactive power variations, soft and non-soft systems. This approach can assist for considering the reactive compensation, control and operation strategies for ac/dc applications as a function of their strength. Well known networks, including the modified IEEE 14 bus system, are studied with the new index. The Short Circuit Ratio, SCR, is traditionally used for dynamic studies of ac/dc interactions. Since SCR tells about the strength of ac/dc nodes, this relation will be used to qualify static and modal analyses in this work.

    Original languageEnglish
    Title of host publication2008 IEEE/PES Transmission and Distribution Conference and Exposition
    Subtitle of host publicationLatin America, T and D-LA
    DOIs
    StatePublished - 2008
    Event2008 IEEE/PES Transmission and Distribution Conference and Exposition: Latin America, T and D-LA - Bogota, Colombia
    Duration: 13 Aug 200815 Aug 2008

    Publication series

    Name2008 IEEE/PES Transmission and Distribution Conference and Exposition: Latin America, T and D-LA

    Conference

    Conference2008 IEEE/PES Transmission and Distribution Conference and Exposition: Latin America, T and D-LA
    Country/TerritoryColombia
    CityBogota
    Period13/08/0815/08/08

    Keywords

    • HVdc transmission and control
    • Modal analysis
    • Voltage stability
    • Weak ac systems

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