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    Protection and Earthing Requirements of Low Voltage AC and DC Distribution Networks Interfaced by Smart Transformers

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    CIRED 2019 - 2002.pdf (515.9Kb)
    Paper number
    2002
    Conference name
    CIRED 2019
    Conference date
    3-6 June 2019
    Conference location
    Madrid, Spain
    Peer-reviewed
    Yes
    Metadata
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    Authors
    Emhemed, Abdullah, Department of Electronic and Electrical Engineering- University of Strathclyde, United Kingdom
    Smith, Kyle, Department of Electronic and Electrical Engineering University of Strathclyde, United Kingdom
    Burt , Graeme M., University of Strathclyde, United Kingdom
    Black, Paul, WSP, United Kingdom
    Kazerooni, Ali, WSP, United Kingdom
    Donoghue, Anthony, SP Energy Networks, United Kingdom
    Eves, Michael, SP Energy networks, United Kingdom
    Abstract
    Electrification of more transport and heat will place increasing demand on LV networks for which they have not been designed for. This can potentially overload MV/LV transformers and LV cables, and may result in voltage drops outside statutory voltage limits. Deployment of solid state smart transformers (ST) at secondary substations has recently been considered as an alternative approach to address such issues. However, their deployment will lead to a radical change in the operation of associated LV networks and, in particular, protection systems. Therefore this paper investigates in detail the impact of a smart transformer deployment at a secondary substation on the performance of conventional MV/LV protection, and provide recommendation on suitable earthing and protection for LVDC and hybrid AC/DC distribution networks interfaced by a smart transformer. 
    Publisher
    AIM
    Date
    2019-06-03
    Published in
    • CIRED 2019 Conference
    Permanent link to this record
    https://cired-repository.org/handle/20.500.12455/684
    http://dx.doi.org/10.34890/905
    ISSN
    2032-9644
    ISBN
    978-2-9602415-0-1

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