Energy Storage Options for Voltage Support in Low-Voltage Grids with High Penetration of Photovoltaic

Francesco Marra, Y. Tarek Fawzy, Thorsten Bülo, Boštjan Blažič

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    Abstract

    The generation of power by photovoltaic (PV) systems is constantly increasing in low-voltage (LV) distribution grids, in line with the European environmental targets. To cope with the effects on grid voltage profiles during high generation and low demand periods, new solutions need to be established. In the long term, these solutions should also aim to allow further more PV installed capacity, while meeting the power quality requirements. In this paper, different concepts of energy storage are proposed to ensure the voltage quality requirements in a LV grid with high PV penetration. The proposed storage concepts can cooperate with reactive power methods and can be used to avoid grid reinforcement and active power curtailment. For the study, a residential LV grid with high share of PV generation is used. Simulation results show substantial benefits for the LV feeders operation, as well as an increased potential for local consumption.
    Original languageEnglish
    Title of host publicationProceedings of IEEE PES Innovative Smart Grid Technologies (ISGT)
    Number of pages7
    PublisherIEEE
    Publication date2012
    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

    • Active distribution grids
    • Energy storage
    • Low voltage grids
    • Reactive power control
    • Voltage rise mitigation

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