Investigation of different system earthing schemes for protection of low voltage DC microgrids

Makkieh, Ahmad and Emhemed, Abdullah and Wang, Dong and Junyent-Ferre, Adria and Burt, Graeme (2018) Investigation of different system earthing schemes for protection of low voltage DC microgrids. In: The 7th International Conference on Renewable Power Generation, 2018-08-26 - 2018-09-27, DTU, Lyngby. (In Press)

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    Abstract

    DC microgrids are expected to play an important role in maximising the benefits of distributed energy resources in future low carbon smart power systems. One of the remaining complex challenges is the requirement for effective DC protection solutions. The advancement of DC protection is hindered by the lack of good understanding and development of reliable and effective earthing schemes which can enable safe and secure operation of DC microgrids in both on-grid and off-grid modes. Therefore, this paper discusses different DC microgrid earthing opportunities, and comprehensively evaluates through detailed simulation studies the influence of different earthing methods on the fault behaviour of DC microgrid. A transient model of an active DC microgrid is developed in PSCAD/EMTDC and used for the paper studies.

    Author(s):Makkieh, Ahmad, Emhemed, Abdullah ORCID logoORCID: https://orcid.org/0000-0002-4635-0167, Wang, Dong, Junyent-Ferre, Adria and Burt, Graeme ORCID logoORCID: https://orcid.org/0000-0002-0315-5919
    Item type:Conference or Workshop Item(Paper)
    ID code:64683
    Notes:This paper is a postprint of a paper submitted and accepted to The 7th International Conference on Renewable Power Generation and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library.
    Keywords:DC earthing schemes, distribution network, fault current,, low voltage DC microgrid, protection for safety, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:04 Jul 2018 13:18
    Last modified:06 Nov 2019 01:45
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/64683
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