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Title: Termination unit

Patent ·
OSTI ID:1113797

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 arrange 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.

Research Organization:
NKT Cables Ultera A/S, Asnaes, DK
Sponsoring Organization:
USDOE
DOE Contract Number:
FG36-02GO12070
Assignee:
NKT Cables Ultera A/S (Asnaes, DK)
Patent Number(s):
8,624,109
Application Number:
12/532,230
OSTI ID:
1113797
Resource Relation:
Patent File Date: 2008 Mar 19
Country of Publication:
United States
Language:
English

References (9)

Terminal for connecting a superconducting multiphase cable to a room temperature electrical equipment patent April 2000
Superconducting cable termination patent August 2005
Terminal structure of direct electric current multilayer structure superconducting cable and DC superconducting cable line patent January 2006
Terminal structure of superconducting cable patent June 2010
Triaxial superconducting cable and termination therefor patent-application August 2005
System for transmitting current including magnetically decoupled superconducting conductors patent-application October 2005
Intermediate joint of superconducting cable patent-application July 2006
Development of the 22.9-kV Class HTS Power Cable in LG Cable journal June 2005
Tests of Tri-Axial HTS Cables journal June 2005

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