Method in the manufacturing of an insulated electric high voltage DC termination or joint

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United States of America Patent

PATENT NO 10855063
APP PUB NO 20180138674A1
SERIAL NO

15870249

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method in the manufacturing of an insulated electric high voltage DC termination or joint includes providing an insulated electric high voltage DC cable including a high voltage DC conductor, a polymer based insulation system surrounding the high voltage DC conductor, the polymer based insulation system including an insulation layer and a semiconducting layer surrounding the insulation layer, and a grounding layer surrounding the semiconducting layer; removing the grounding layer and the semiconducting layer in at least one end portion of the high voltage DC cable, mounting a field grading adapter or joint body in the at least one end portion of the high voltage DC cable; and subjecting the insulation layer of the polymer based insulation system in the at least one end portion of the high voltage DC cable for a heat treatment procedure, while being covered by the mounted field grading adapter or joint body.

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Patent Owner(s)

  • NKT HV CABLES AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lindgren, Anders Karlskrona, SE 93 1204
Olsson, Carl-Olof Västerås, SE 13 50
Saltzer, Markus Fislisbach, CH 11 51

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