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公开(公告)号：USRE48918E1
公开(公告)日：2022-02-01
申请号：US16811245
申请日：2020-03-06
申请人： NKT HV Cables AB
发明人： Fredrik Fälth , Markus Saltzer , Christian Sonehag , Tomas Ahlberg , Linus Adolfsen , Anders Lindgren
IPC分类号： H02G15/22 , H02B1/46 , H02G15/06 , H02G15/30 , H02G15/064
摘要： A power cable termination device for a high voltage direct current gas-insulated switchgear including: an outer housing made of an electrically conducting material, connectable to the switchgear; a terminal portion of a power cable, the power cable including an electrical conductor, a circumferential electrically insulating layer, and a circumferential conductive shield which is stripped off along a first part of the power cable; an electric field grading system including a resistive field grading material layer arranged circumferentially around the power cable to axially cover the edge of the conductive shield where the conductive shield is terminated, the resistive field grading material layer being in electrical contact therewith, and a connection device connectable to the gas-insulated switchgear and arranged to provide mechanical support and electrical contact with the gas-insulated switchgear.
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公开(公告)号：US20240192251A1
公开(公告)日：2024-06-13
申请号：US18532172
申请日：2023-12-07
申请人： NKT HV Cables AB
CPC分类号： G01R1/04 , G01R31/083
摘要： A testing assisting device includes a first end of a cable, an insulation body including a channel centred around and stretching along a longitudinal axis through the insulation body and a channel closing element, the channel being accessible via a first opening in the insulation body, wherein the first cable end extends into the channel via the first opening and a first end of the channel closing element abuts a first end of a conductor of the first cable end at a mating location in the channel in order to form an interface between the first end of the channel closing element and the first end of the conductor of the first cable end at the mating location. There is also a method of forming the testing assisting device.
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公开(公告)号：US11502498B2
公开(公告)日：2022-11-15
申请号：US17595534
申请日：2020-06-04
申请人： NKT HV Cables AB
发明人： Fredrik Fälth
摘要： A power cable termination system including: a power cable having a power cable conductor and a power cable insulation system configured to electrically insulate the power cable conductor, a termination cable having a termination cable conductor and a termination cable insulation system configured to electrically insulate the termination cable insulation system, wherein the termination cable is at least one order of magnitude shorter than the power cable, wherein the termination cable conductor has an electrical resistance which is lower than the electrical resistance of the power cable conductor and/or the termination cable insulation system has a higher insulation resistance per unit length than the power cable insulation system, a joint configured to join the power cable and the termination cable, and a cable termination device configured to terminate the termination cable.
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公开(公告)号：US20220200260A1
公开(公告)日：2022-06-23
申请号：US17595534
申请日：2020-06-04
申请人： NKT HV Cables AB
发明人： Fredrik Fälth
摘要： A power cable termination system including: a power cable having a power cable conductor and a power cable insulation system configured to electrically insulate the power cable conductor, a termination cable having a termination cable conductor and a termination cable insulation system configured to electrically insulate the termination cable insulation system, wherein the termination cable is at least one order of magnitude shorter than the power cable, wherein the termination cable conductor has an electrical resistance which is lower than the electrical resistance of the power cable conductor and/or the termination cable insulation system has a higher insulation resistance per unit length than the power cable insulation system, a joint configured to join the power cable and the termination cable, and a cable termination device configured to terminate the termination cable.
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