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    Load Step Pre-announcement and Bang-Bang controller Implemented in Islanded Microgrids to Improve Frequency Stability

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    CIRED 2018 Ljubljana WS - 0086 - 20782.pdf (621.9Kb)
    Paper number
    0086
    Conference name
    CIRED 2018 Ljubljana Workshop
    Conference date
    7 - 8 June 2018
    Conference location
    Ljubljana, Slovenia
    Peer-reviewed
    Yes
    Metadata
    Show full item record
    Authors
    Guo, Yi, TU Wien, ESEA, Austria
    Görlich, Tobias, University of Vienna, Austria
    Gawlik, Wolfgang, TU Wien, ESEA, Austria
    Abstract
    Unlike large traditional electrical power systems, islanded Microgrids usually have a low inertia, especially when a high share of inverter coupled generation is integrated. Frequency stability is one main concern in islanded Microgrid operation. Load step preannouncement and a bang-bang controller are introduced and implemented to improve the frequency response of islanded Microgrids. In order to achieve the best performance of the proposed control method, two parameters, preset and total time, have to be optimized. In this paper, an islanded Microgrid, including a conventional generator, a photovoltaic generator and a lumped load, is used as a study case. Three optimization criteria regarding the two parameters are presented, analyzed and compared. Furthermore, the effectiveness of the implementation of load step pre-announcement and bang-bang controller is validated using simulation results.
    Publisher
    AIM
    Date
    2018-06-07
    Published in
    • CIRED 2018 Ljubljana Workshop on Microgrids and Local Energy Communities
    Permanent link to this record
    https://www.cired-repository.org/handle/20.500.12455/1132
    http://dx.doi.org/10.34890/171
    ISSN
    2032-9628
    ISBN
    978-2-9602415-1-8

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