Superconducting power cables in Denmark - a case study

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    Abstract

    A case study of a 450 MVA, 132 kV high temperature superconducting (HTS) power transmission cable has been carried out. In the study, a superconducting cable system is compared to a conventional cable system which is under construction for an actual transmission line in the Danish grid. The study considers the design and development of a calculation model for an HTS cable system including auxiliary facilities. From calculations of the selected transmission line, conclusions on the feasibility of HTS cables in Denmark are made. HTS cables appear to be feasible in Denmark. Calculations indicate that HTS cables will be less expensive for high power ratings, have lower losses for lines with a high load, and have a reduced reactive power production. The use of superconducting cables in Denmark accommodate plans by the Danish utility to make a substantial conversion of overhead lines to underground cables.
    Original languageEnglish
    JournalI E E E Transactions on Applied Superconductivity
    Volume7
    Issue number2
    Pages (from-to)719-722
    ISSN1051-8223
    DOIs
    Publication statusPublished - 1997

    Bibliographical note

    Copyright: 1997 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

    Keywords

    • Superconducting electric lines; High temperature superconductors; Electric power transmission; Overhead lines; Underground cables; Electric losses; Superconducting cables

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