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    Upgrade and refurbishment methodologies apply to Gibraltar Electric Authority’s power distribution system project

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    CIRED 2019 - 673.pdf (770.0Kb)
    Paper number
    673
    Conference name
    CIRED 2019
    Conference date
    3-6 June 2019
    Conference location
    Madrid, Spain
    Peer-reviewed
    Yes
    Metadata
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    Authors
    FA, Tyrone, Gibraltar Electricity Authority, Gibraltar
    BOUFFARD-VERCELLI, Yann-Eric, Schneider Electric, France
    ANDRÉ, Bruno, Schneider-Electric, France
    Abstract
    This paper describes the choice in the project methodologies and taken to integrate the refurbishment and upgrades of the Gibraltar Electricity Authority HV grid and substations with clear limitations in the possible impacts.GEA has decide to strongly invest on refurbishment, replacement and upgrade of the actual Distribution grid to improve it efficiency and reliability.As introduction a brief description of the original GEA grid and the main project’s constraints and how this has influence the grid architecture design and the project management choices.In the second part, the authors present how the optimized replacement plan for the various substations and the implementation strategy has been finalized using grid simulation tools and evaluating each choice impact on the global project and future stages. The integration of the refurbished and new parts is detailed and how these new architectures (loop management, substation design, adaptive automation schemes, ...) and features (protection functions and settings, , partial Generation management, ...) and architectures have impacted the existing parts is also detailed with the respect of the continuity of service and the minimization of the environmental impact.The third part presents the methodologies of Tests in the factories and on Site and explain the capabilities given to GEA to define the priority of evolutions based on GEA grid constraints and requirements.As conclusion, some GEA project key features and lessons are briefly explored and described with some potential impact on the future GEA grid.
    Publisher
    AIM
    Date
    2019-06-03
    Published in
    • CIRED 2019 Conference
    Permanent link to this record
    https://cired-repository.org/handle/20.500.12455/108
    http://dx.doi.org/10.34890/216
    ISSN
    2032-9644
    ISBN
    978-2-9602415-0-1

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