PV architectures for DC microgrids using buck or boost exclusive microconverters

E Marafante, LJ Mackay, TG Hailu, GR Chandra Mouli, LM Ramirez Elizondo, P Bauer

    Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

    3 Citations (Scopus)
    16 Downloads (Pure)

    Abstract

    DC microgrids can connect directly dc renewable energy sources with increasing amount of dc loads. In this paper it is looked for possible architectures for integrating PV panels into dc microgrids, by means of microconverter strings. Three topologies are considered, featuring only buck microconverters and only boost microconverters, since they promise higher efficiency due to fewer semiconductors in the current path. The topologies under exam are tested with a perturb and observe MPPT, in the cases of abrupt local shading and uneven shading over a solar panels' array. Among the three, the best topology by response time and control ease is found.
    Original languageEnglish
    Title of host publicationProceedings of the 2015 IEEE Eindhoven PowerTech
    EditorsP.H. Nguyen
    Place of PublicationPiscataway, NJ
    PublisherIEEE Society
    Pages1-6
    Number of pages6
    ISBN (Electronic)978-147997693-5
    DOIs
    Publication statusPublished - 2015
    EventPowerTech 2015, Eindhoven, The Netherlands - Piscataway
    Duration: 29 Jun 20152 Aug 2015

    Conference

    ConferencePowerTech 2015, Eindhoven, The Netherlands
    Period29/06/152/08/15

    Keywords

    • DC microgrid
    • microconverter
    • pv
    • pv string

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  • Cite this

    Marafante, E., Mackay, LJ., Hailu, TG., Chandra Mouli, GR., Ramirez Elizondo, LM., & Bauer, P. (2015). PV architectures for DC microgrids using buck or boost exclusive microconverters. In P. H. Nguyen (Ed.), Proceedings of the 2015 IEEE Eindhoven PowerTech (pp. 1-6). IEEE Society. https://doi.org/10.1109/PTC.2015.7232733