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1. 发明公开

US20240112831A1 Submarine Power Cable With Slip Additive 审中-公开
公开(公告)号：US20240112831A1
公开(公告)日：2024-04-04
申请号：US18474632
申请日：2023-09-26
申请人： NKT HV Cables AB
发明人： Henrik Torvaldsson , Andreas Tyrberg , Tommy Johansson , Denny Tjahjanto
IPC分类号： H01B7/14 , H01B3/42 , H01B3/44
CPC分类号： H01B7/14 , H01B3/421 , H01B3/44
摘要： A submarine power cable having: a plurality of elongated elements arranged in a stranded configuration, wherein at least two of the elongated elements are power cores, each power core including a conductor, an insulation system arranged around the conductor, and a polymeric sheath including a first polymeric material arranged around the insulation system, and a plurality of filler profiles including a second polymeric material, each filler profile being arranged in a respective interstice between two elongated elements of the plurality of elongated elements, wherein the first polymeric material and/or the second polymeric material includes a slip additive.

2. 发明公开

US20240087770A1 Trefoil Submarine Power Cable Bundle 审中-公开
公开(公告)号：US20240087770A1
公开(公告)日：2024-03-14
申请号：US18463478
申请日：2023-09-08
申请人： NKT HV Cables AB
发明人： Andreas Tyrberg , Håkan Sandell , Denny Tjahjanto
IPC分类号： H01B7/14 , H01B11/22 , H02G1/10 , H02G9/02
CPC分类号： H01B7/14 , H01B11/22 , H02G1/10 , H02G9/02
摘要： A submarine power cable bundle including: a first bottom direct current, DC, submarine power cable, a second bottom DC submarine power cable, and a top DC submarine power cable, wherein the first bottom DC submarine power cable and the second bottom DC submarine power cable are bundled together by means of a first elongated bundling element, forming a first bundle, wherein the first bundle is bundled together with the top DC submarine power cable by means of a second elongated bundling element, forming a trefoil configuration, wherein the first elongated bundling element bundles the first bundle tighter than the second elongated bundling element bundles the first bundle and the top DC submarine power cable.

3. 发明公开

US20240006865A1 RIGID SUBMARINE POWER CABLE JOINT 审中-公开
公开(公告)号：US20240006865A1
公开(公告)日：2024-01-04
申请号：US18340502
申请日：2023-06-23
申请人： NKT HV Cables AB
发明人： Erik Eriksson , Andreas Tyrberg , Björn Zettervall
IPC分类号： H02G9/02 , H01B7/14 , H01B7/282 , H01B11/22 , H01B7/02 , H01B17/58
CPC分类号： H02G9/02 , H01B7/14 , H01B7/2825 , H01B11/22 , H01B7/0225 , H01B17/58
摘要： A rigid submarine power cable joint including: an outer casing having a first axial end face and a second axial end face at an opposite axial end of the outer casing relative to the first axial end face, wherein the first axial end face includes a single opening configured to receive a multi-core dynamic submarine power cable, and wherein the second axial end face includes two openings, each configured to receive a respective single core submarine power cable.

4. 发明公开

US20230417815A1 Method and System for Inspecting an Insulation of a High Voltage Cable 审中-公开
公开(公告)号：US20230417815A1
公开(公告)日：2023-12-28
申请号：US18339699
申请日：2023-06-22
申请人： NKT HV Cables AB
发明人： Bernhard Huelsmann-Emden
IPC分类号： G01R31/12 , G01S7/48 , G01S17/89
CPC分类号： G01R31/1272 , G01S7/4808 , G01S17/89 , G01R31/1218
摘要： A method for inspecting an insulation of a high voltage cable is described. The method includes a data acquisition including scanning a surface of a high voltage cable's insulation by at least one laser scanner. The scanning includes moving the at least one laser scanner and the high voltage cable relative to each other along a length direction of the high voltage cable. The method further includes a data evaluation including: generating a 3-dimensional model of the scanned surface based on the acquired data.

5. 发明公开

US20230402824A1 Cable End Sealing Arrangement for a Cable and Method for Connecting a Metallic Sheath of a Cable End of the Cable to a Metallic Casing of the Cable End Sealing Arrangement 审中-公开
公开(公告)号：US20230402824A1
公开(公告)日：2023-12-14
申请号：US18333216
申请日：2023-06-12
申请人： NKT HV Cables AB
发明人： Niklas Nordé , Johan Jäderberg , Jörn Antonischki , Tomas Ahlberg , Allan Helgh
IPC分类号： H02G1/14 , H02G15/18
CPC分类号： H02G1/14 , H02G15/18
摘要： A cable end sealing arrangement for a first cable and a method for connecting a metallic sheath of a first cable end of a first cable to a metallic casing of a cable end sealing arrangement. The cable end sealing arrangement includes a metallic casing, a cable entrance and a first cable end of the first cable inserted into the cable entrance, the cable end including layers of cable material including a metallic sheath, wherein in an entry section of the metallic casing, an end of the metallic sheath is separated from the other layers of the first cable material and is in pressurized contact with the metallic casing in an area of overlap between the casing and the metallic sheath.

6. 发明公开

US20230402771A1 Power Cable Accessory Assembly 审中-公开
公开(公告)号：US20230402771A1
公开(公告)日：2023-12-14
申请号：US18327940
申请日：2023-06-02
申请人： NKT HV Cables AB
发明人： Gustaf Larsson
IPC分类号： H01R4/70 , H02G15/02 , H01B9/00
CPC分类号： H01R4/70 , H02G15/02 , H01B9/00
摘要： A power cable accessory assembly including: a first power cable including: first conductor, and a first electrical insulation layer arranged around the first conductor, wherein the first electrical insulation layer includes a first insulation groove extending circumferentially along an outer surface of the first electrical insulation layer, a connection sleeve including: a first axial end opening receiving an end portion of the first conductor protruding axially from the first electrical insulation layer, and a first locking sleeve groove extending circumferentially along an outer surface of the connection sleeve; and a first locking sleeve including: a first radially inwards extending flange engaging with the first insulation groove and a second radially inwards extending flange engaging with the first locking sleeve groove to restrict axial movement between the first electrical insulation layer and the connection sleeve, wherein the first radially inwards extending flange has a first radial dimension that decreases gradually in an axial direction towards the connection sleeve, and wherein the first insulation groove has a second radial dimension that decreases gradually in the axial direction towards the connection sleeve.

7. 发明公开

US20230402208A1 METHOD OF MANUFACTURING A POWER CABLE 审中-公开
公开(公告)号：US20230402208A1
公开(公告)日：2023-12-14
申请号：US18332923
申请日：2023-06-12
申请人： NKT HV Cables AB
发明人： Jörn Antonischki
IPC分类号： H01B13/22 , H01B13/00 , H01B7/282 , H01B7/14
CPC分类号： H01B13/22 , H01B13/0016 , H01B7/2825 , H01B7/14
摘要： A method of manufacturing a power cable, including: a) providing a conductor, b) providing an insulation system including an inner semiconducting layer arranged around the conductor, an insulation layer arranged around the inner semiconducting layer, and an outer semiconducting layer arranged around the insulation layer, c) providing an elastic mechanical support layer around the outer semiconducting layer, d) compressing the mechanical support layer radially by means of a compression element, e) welding opposing edges of a metallic sheet arranged radially outside of the mechanical support layer longitudinally to form a metallic water blocking layer radially spaced apart from the mechanical support layer in the radially compressed state, and f) expanding the mechanical support layer by releasing the compression element from compressing the mechanical support layer, causing the mechanical support layer to support the metallic water blocking layer.

8. 发明公开

US20230268097A1 POWER CABLE WITH MULTIPLE WATER BARRIERS 审中-公开
公开(公告)号：US20230268097A1
公开(公告)日：2023-08-24
申请号：US18172211
申请日：2023-02-21
申请人： NKT HV Cables AB
发明人： Sonny LÅNGSTRÖM , Tommy JOHANSSON , Johan JÄDERBERG , Håkan SANDELL , Christoffer DAHL RYDE
IPC分类号： H01B7/282 , H01B13/14 , H01B3/30 , H01B9/00 , H01B7/14
CPC分类号： H01B7/282 , H01B3/30 , H01B7/14 , H01B9/00 , H01B13/14
摘要： A power cable comprising: a power core including: a conductor, an insulation system including an inner semiconducting layer arranged around the conductor, an insulation layer arranged around the inner semiconducting layer, and an outer semiconducting layer arranged around the insulation layer, a first metallic water blocking layer arranged concentrically with and around the outer semiconducting layer, a semiconducting polymer layer arranged concentrically with and around the first metallic water blocking layer, and a second metallic water blocking layer arranged concentrically with and around the semiconducting polymer layer; and an outer sheath arranged around the second metallic water blocking layer.

9. 发明申请

US20220415541A1 Heating Assembly and Method for Insulation System Restoration of a Power Cable 有权
公开(公告)号：US20220415541A1
公开(公告)日：2022-12-29
申请号：US17808914
申请日：2022-06-24
申请人： NKT HV Cables AB
发明人： Kristian Gustafsson , Jörn Antonischki
IPC分类号： H01B13/00 , H05B6/02
摘要： A heating assembly configured to receive a power cable for restoring an insulation system of the power cable, the heating assembly including: a central pressurisation and heating structure, and a first and second lateral structure provided at a respective axial end of the central pressurisation and heating structure, the first and second lateral structure each having at least a 20 cm long axially extending section primarily made of a material at most having a conductivity of the order of 1000 S/m at 20° C.

10. 发明申请

US20220208416A1 HVDC Power Cable With Water-Blocking Capability 有权
公开(公告)号：US20220208416A1
公开(公告)日：2022-06-30
申请号：US17595199
申请日：2020-05-20
申请人： NKT HV Cables AB
发明人： Kristian Gustafsson , Amirhossein Abbasi , Tommy Johansson
IPC分类号： H01B7/288
摘要： A high voltage DC power cable designed for voltages of 320 kV or higher, including: a multi-wire conductor, an inner semiconducting layer arranged around the multi-wire conductor, the inner semiconducting layer forming a screen layer for the multi-wire conductor, a solid insulation system arranged around the inner semiconducting layer, and a water-blocking compound configured to restrict water migration into the high voltage DC power cable.

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