Voltage Stability in RES based power systems

Bahtiyar Can Karatas

    Research output: Book/ReportPh.D. thesis


    The future vision of the Danish government is to minimize the dependency of fossil fuels and completely transition to renewable energy sources (RES) by the year 2050. This is related to the EU strategy of decarbonizing modern power systems and several initiatives are aiming towards this objective. To achieve this ambitious goal, a restructuring of the power system is needed to include RES. Traditionally, offline time consuming approaches are used to determine production and consumption schemes several hours in advance, in order to maintain a secure operation of the power system. This approach has relied on the experienced system operators and their ability to predict how production and consumption affects the power system. Modern power systems with a high share of production based on RES cause fluctuating operating points and offline approaches become insufficient for securing stable operating conditions. Therefore, innovative approaches are needed to assess system stability for modern power systems with RES based production.
    The purpose of this PhD is the development of a method capable of assessing voltage stability in RES based power systems. The PhD project will provide new approaches and methods for voltage stability assessment of RES based power systems. These methods will be part of a software platform, which will be beneficial for system TSOs to further strengthen their ability to operate power systems with a high share of fluctuating renewables. This PhD is part of the research project Security Assessment of Renewable Power Systems (SARP), managed by DTU-CEE, DTU-Wind and the Department of Computer Science, Copenhagen University (DIKU) and funded by the ForskEL-programme. The overall purpose of the SARP project is the further development of methods capable of ensuring secure operation of power systems with a large share of power production based on fluctuating RES.
    Original languageEnglish
    PublisherTechnical University of Denmark
    Publication statusPublished - 2019


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