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    A new approach for evaluating the condition of cable systems and estimation of remaining life time of MV underground power cables

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    CIRED 2019 - 807.pdf (761.7Kb)
    Paper number
    807
    Conference name
    CIRED 2019
    Conference date
    3-6 June 2019
    Conference location
    Madrid, Spain
    Peer-reviewed
    Yes
    Metadata
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    Authors
    Neier, Tobias, BAUR GmbH, Austria
    Bawart, Manfred, BAUR GmbH, Austria
    Kim, Sung Min, KEPCO Korean Electric Power Corporation, Korea Republic of
    Knauel, Jens, BAUR GmbH, Austria
    Abstract
    This study focuses on one of the key questions of underground distribution network operators. How can the remaining life time of underground power cables be estimated? The answer to this question is explained by a new approach of KEPCO Korea. When combining VLF Tan Delta (TD) and Partial Discharge (PD) diagnostic it is possible to identify and localize weak individual spots along a cable. After weak spots are cleared, the general aging condition of the cable can be judged and the Remaining Life Time can be estimated. The implementation of this approach in the KEPCO Distribution Networks is illustrated in a practical case study. A new tool for asset managers is available and it is expected that it will help to further develop the preventive maintenance approach by power utilities all around the world.
    Publisher
    AIM
    Date
    2019-06-03
    Published in
    • CIRED 2019 Conference
    Permanent link to this record
    https://cired-repository.org/handle/20.500.12455/156
    http://dx.doi.org/10.34890/313
    ISSN
    2032-9644
    ISBN
    978-2-9602415-0-1

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