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Termination unit

United States Patent

May 3, 2016
View the Complete Patent at the US Patent & Trademark Office
Cable end section comprises end-parts of N electrical phases/neutral, and a thermally-insulation envelope comprising cooling fluid. The end-parts each comprises a conductor and are arranged with phase 1 innermost, N outermost surrounded by the neutral, electrical insulation being between phases and N and neutral. The end-parts comprise contacting surfaces located sequentially along the longitudinal extension of the end-section. A termination unit has an insulating envelope connected to a cryostat, special parts at both ends comprising an adapter piece at the cable interface and a closing end-piece terminating the envelope in the end-section. The special parts houses an inlet and/or outlet for cooling fluid. The space between an inner wall of the envelope and a central opening of the cable is filled with cooling fluid. The special part at the end connecting to the cryostat houses an inlet or outlet, splitting cooling flow into cable annular flow and termination annular flow.
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)
14/ 090,080
November 26, 2013
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.