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Termination unit

United States Patent

January 7, 2014
View the Complete Patent at the US Patent & Trademark Office
This invention relates to a termination unit comprising an end-section of a cable. The end section of the cable defines a central longitudinal axis and comprising end-parts of N electrical phases, an end-part of a neutral conductor and a surrounding thermally insulation envelope adapted to comprising a cooling fluid. The end-parts of the N electrical phases and the end-part of the neutral conductor each comprising at least one electrical conductor and being arranged in the cable concentrically around a core former with a phase 1 located relatively innermost, and phase N relatively outermost in the cable, phase N being surrounded by the neutral conductor, electrical insulation being arranged between neighboring electrical phases and between phase N and the neutral conductor, and wherein the end-parts of the neutral conductor and the electrical phases each comprise a contacting surface electrically connected to at least one branch current lead to provide an electrical connection: The contacting surfaces each having a longitudinal extension, and being located sequentially along the longitudinal extension of the end-section of the cable. The branch current leads being individually insulated from said thermally insulation envelope by individual electrical insulators.
Traeholt; Chresten (Frederiksberg, DK), Willen; Dag (Klagshamn, SE), Roden; Mark (Newnan, GA), Tolbert; Jerry C. (Carrollton, GA), Lindsay; David (Carrollton, GA), Fisher; Paul W. (Heiskell, TN), Nielsen; Carsten Thidemann (Jaegerspris, DK)
NKT Cables Ultera A/S (Asnaes, DK)
12/ 532,230
March 19, 2008
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with support under Contract No. DE-FG36-02GO12070 awarded by the United States Department of Energy. The Government has certain rights in this invention.