Analysis of thevenin equivalent network of a distribution system for solar integration studies

Guangya Yang, Majken Mattesen, Søren Bækhøj Kjaer, Radu Dan Lazar, Adrian Constantin, Jacob Østergaard, Carl Stephansen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    The high target of EU renewable standard, increasing technology investment and the cost reduction are nowadays the main driving factors for the renewable generation penetration. As a reliable energy resource, solar energy from photovoltaics (PVs) is seen as one of the important renewable generations and expected to play a significant role in the future sustainable energy system. Currently one of the main issues for solar integration is the voltage regulation problem in the LV grid, as to the small X/R ratios. Hence, the voltage control techniques developed for the MV and HV networks may need to be further evaluated before applied for the LV grid. For the inverter voltage control design, it is useful to develop a realistic Thevenin equivalent model for the grid to ease the analysis. In this paper, case studies are performed based on the analysis of a realistic distribution network for the design of inverter voltage controller. Finally suggestions are proposed for the Thevenin equivalent model development.
    Original languageEnglish
    Title of host publicationProceedings of 3rd IEEE PES Innovative Smart Grid Technologies Europe Conference
    Number of pages5
    PublisherIEEE
    Publication date2012
    ISBN (Print)978-1-4673-2595-0
    ISBN (Electronic)978-1-4673-2596-7
    DOIs
    Publication statusPublished - 2012
    Event3rd IEEE PES Innovative Smart Grid Technologies (ISGT) Europe Conference (IEEE PES ISGT Europe 2012) - Berlin, Germany
    Duration: 14 Oct 201217 Oct 2012
    Conference number: 3

    Conference

    Conference3rd IEEE PES Innovative Smart Grid Technologies (ISGT) Europe Conference (IEEE PES ISGT Europe 2012)
    Number3
    Country/TerritoryGermany
    CityBerlin
    Period14/10/201217/10/2012

    Keywords

    • Equivalent circuits
    • Europe
    • Impedance
    • Inverters
    • Photovoltaic systems
    • Power systems
    • Voltage control

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