HVAC bipolar cable systems were introduced to connect offshore wind farms to the mainland grid. These systems enable the application of single-core cables with large cross sectional areas instead of three-core cables. This bipolar six-phase system, consisting of three strings of two closely laid 400 kV XLPE single-core cables, can transmit a total power of 2000 MVA. Technical and economic benefits of HVAC XLPE four-core cables for large power transmission were discussed. In four- or six-phase operation, they offer a broad range of application with system voltages of 245 kV or less. With an optimized design, four-core cables have significant economic advantages, compared to other transmission systems. A transmission of 2000 MW over distances up to 170 km can be realised. For these challenging transmission tasks, it is not necessary to wait for submarine cable developments in the extra high voltage level. Benefits result from four-core cables in a step-by-step installation of wind park clusters. One by one cable can be installed with increasing number of windmills. With three cables, a six phase transmission with optimised phase sequence and lowest losses is reached.


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    Titel :

    Bulk power transmission with HVAC four-core submarine cables


    Weitere Titelangaben:

    Hochleistungsübertragung mit Vierseelen-HVAC-Seekabeln


    Beteiligte:
    Brakelmann, H. (Autor:in) / Brüggemann, J. (Autor:in) / Jensen, A. (Autor:in) / Stammen, J. (Autor:in)


    Erscheinungsdatum :

    2008


    Format / Umfang :

    6 Seiten, 8 Bilder, 3 Tabellen, 7 Quellen


    Anmerkungen:

    (nicht paginiert)


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Datenträger


    Sprache :

    Englisch




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