Computation of Steady State Nodal Voltages for Fast Security Assessment in Power Systems

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    Abstract

    Development of a method for real-time assess-ment of post-contingency nodal voltages is introduced. Linear network theory is applied in an algorithm that utilizes Thevenin equivalent representation of power systems as seen from every voltage-controlled node in a network. The method is evaluated by comparing with results from time domain simulations and power flow calculations using Newton-Raphson’s method. It is concluded that the developed method performs better than Newton-Raphson’s method in reproduc-ing results from time domain simulations. Discussion includes considerations for further development for facilitating treat-ment of composite loads.
    Original languageEnglish
    Title of host publicationProceedings of IEEE Electric Power Quality and Supply Reliability Conference 2014
    PublisherIEEE
    Publication date2014
    Pages51-55
    ISBN (Print)978-1-4799-5022-5
    DOIs
    Publication statusPublished - 2014
    Event2014 Electric Power Quality and Supply Reliability Conference - Aqva Hotel & SPA, Tallinn, Estonia
    Duration: 11 Jun 201413 Jun 2014

    Conference

    Conference2014 Electric Power Quality and Supply Reliability Conference
    LocationAqva Hotel & SPA
    Country/TerritoryEstonia
    CityTallinn
    Period11/06/201413/06/2014

    Keywords

    • Power System Security
    • Network Theory
    • Linear Systems
    • Power System Analysis Computing

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