WO2024001305A1 - Câble sous-marin dynamique et procédé de formation de câble sous-marin dynamique - Google Patents

Câble sous-marin dynamique et procédé de formation de câble sous-marin dynamique Download PDF

Info

Publication number
WO2024001305A1
WO2024001305A1 PCT/CN2023/081443 CN2023081443W WO2024001305A1 WO 2024001305 A1 WO2024001305 A1 WO 2024001305A1 CN 2023081443 W CN2023081443 W CN 2023081443W WO 2024001305 A1 WO2024001305 A1 WO 2024001305A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductor
layer
dynamic submarine
cable
submarine cable
Prior art date
Application number
PCT/CN2023/081443
Other languages
English (en)
Chinese (zh)
Inventor
王俊勇
赵囿林
景洋
张小龙
胡明
金星宇
潘盼
朱井华
曹凯
刘利刚
冯启韵
Original Assignee
中天科技海缆股份有限公司
南海海缆有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中天科技海缆股份有限公司, 南海海缆有限公司 filed Critical 中天科技海缆股份有限公司
Priority to EP23829496.1A priority Critical patent/EP4394804A1/fr
Publication of WO2024001305A1 publication Critical patent/WO2024001305A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H01B7/045—Flexible cables, conductors, or cords, e.g. trailing cables attached to marine objects, e.g. buoys, diving equipment, aquatic probes, marine towline
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/14—Submarine cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806—Protection against damage caused by corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables

Definitions

  • the present application relates to the technical field of submarine cables, specifically, to a dynamic submarine cable and a forming method of the dynamic submarine cable.
  • the main purpose of this application is to provide a dynamic submarine cable and a molding method of the dynamic submarine cable to solve the problem in the prior art that the dynamic submarine cable has poor water resistance and fatigue performance when it is located at a large water depth, resulting in low service life.
  • a dynamic submarine cable including: an optical unit and a plurality of cable cores, surrounding the optical unit and a plurality of cable cores, and inner protections are arranged in sequence from the inside to the outside. sleeve, armor layer and outer sheath; multiple cable cores form a triangular structure, and two adjacent cable cores are in contact with each other.
  • the cable cores include aluminum alloy conductor units and conductor shields arranged sequentially from the inside to the outside.
  • the aluminum alloy conductor unit includes a plurality of conductor layers and a water-blocking glue disposed between two adjacent conductor layers, and each conductor layer includes a plurality of conductor monofilaments.
  • the conductor single wire is an aluminum alloy single wire, and the strength of the conductor single wire is 305Mpa-330Mpa; the conductor single wire is annealed.
  • the cable core also includes a metal shielding layer arranged on the outer periphery of the insulating shielding layer.
  • the metal shielding layer includes two copper strips spaced apart in the radial direction and a semiconductive water-resistant strip arranged between the two copper strips.
  • the dynamic submarine cable also includes a filling structure.
  • a filling structure is provided between two adjacent cable cores. One side of the filling structure is provided with a contact surface that matches the outer wall surface of the cable core. The other side of the filling structure is provided with a filling structure.
  • a receiving groove for accommodating the light unit is provided on one side.
  • each filling structure is provided with multiple accommodation slots, and each accommodation slot is provided with a light unit.
  • the armor layer is made of twisted flat steel wires, there are multiple armor layers, and the flat steel wires of two adjacent armor layers are twisted in opposite directions.
  • the outer periphery of the armor layer is coated with asphalt or asphalt paint; or, the outer periphery of the armor layer is wrapped with PP rope.
  • the cable core also includes a first semiconductive buffer strip and a second semiconductive buffer strip.
  • the first semiconductive buffer strip is located inside the metal shielding layer, and the second semiconducting buffer strip is located outside the metal shielding layer.
  • a method for forming a dynamic submarine cable includes: preparing a cable core such that the cable core includes an aluminum alloy conductor unit, a conductor shielding layer, and an insulating layer arranged sequentially from the inside to the outside.
  • the aluminum alloy conductor unit includes multiple conductor layers and water-blocking glue disposed between two adjacent conductor layers.
  • Each conductor layer includes multiple conductor monofilaments; multiple cable cores are provided to form Triangular structure; the process of preparing the light unit; surrounding the light unit and multiple cable cores, an inner sheath, an armor layer and an outer sheath are arranged in sequence from the inside to the outside.
  • the step of preparing the cable core also includes: a multiple conductor layer forming step of twisting multiple conductor monofilaments into multiple conductor layers in a non-compression concentric twisting manner; and extruding the outermost layer. conductor layer.
  • the molding method further includes applying asphalt or asphalt paint on the outer periphery of the armor layer, and/or the molding method further includes wrapping PP rope on the outer periphery of the armor layer.
  • the aluminum alloy water-blocking conductor adopts a circular non-pressed design, which can alleviate the problem of plastic hardening of the aluminum alloy structure and extend the fatigue life of the aluminum alloy conductor; filling between two adjacent conductor layers Water-blocking glue, the aluminum alloy conductor unit can form a tight entity.
  • the water-blocking glue can improve the water-blocking performance in the gaps between multiple conductor monofilaments.
  • the water-blocking glue can also Relieves frictional stress and damage between adjacent conductor monofilaments, thus extending the service life of dynamic submarine cables when they are located at large water depths.
  • the conductor shielding layer, the insulation layer and the insulation shielding layer form a three-layer co-extruded structure.
  • the conductor shielding layer can reduce the local electric field concentration caused by the uneven surface formed by twisting the aluminum alloy conductor unit, thereby ensuring that the aluminum alloy conductor unit The electric field on the surface is evenly distributed;
  • the insulation layer can play an insulating role;
  • the insulation shielding layer is used to shield the electric field, that is, by setting up the insulation Shielding layer, there is no power line distribution on the outside of the insulating shielding layer, which can avoid the air gap between the inside and outside of the insulating shielding layer, thereby reducing the impact of insulation strength on dynamic submarine cables.
  • Figure 1 shows a schematic structural diagram of an embodiment of a dynamic submarine cable according to the present application
  • Figure 2 shows a schematic structural diagram of the aluminum alloy conductor unit of the dynamic submarine cable of Figure 1;
  • Figure 3 shows a side view of the metal shield of the dynamic submarine cable of Figure 1;
  • Figure 4 shows a flow chart of a forming method of a dynamic submarine cable according to the present application.
  • the dynamic submarine cable includes an optical unit 12 and a plurality of cable cores 21. Surrounding the optical unit 12 and a plurality of cable cores 21, an inner sheath 15, an armor layer 22 and an outer sheath 20 are arranged in sequence from the inside to the outside; The cable cores 21 form a triangular structure, and two adjacent cable cores 21 are in contact with each other.
  • the cable cores 21 include an aluminum alloy conductor unit 27, a conductor shielding layer 5, an insulating layer 6 and an aluminum alloy conductor unit 27 arranged in sequence from the inside to the outside.
  • the insulating shielding layer 7 and the aluminum alloy conductor unit 27 include a plurality of conductor layers 23 and a water-blocking glue 2 disposed between two adjacent conductor layers 23.
  • Each conductor layer 23 includes a plurality of conductor monofilaments 1.
  • the water-blocking glue 2 can improve the water-blocking performance in the gaps between the multiple conductor monofilaments 1.
  • the water-blocking glue 2 can also alleviate the friction stress and damage between adjacent conductor monofilaments 1. In this way, when the dynamic submarine cable is located at a large water depth, the service life of the dynamic submarine cable can be extended. .
  • the conductor shielding layer 5, the insulating layer 6 and the insulating shielding layer 7 form a three-layer co-extruded structure.
  • the aluminum alloy conductor unit 27 will form an uneven surface when twisted, which will lead to local electric field concentration.
  • the provision of the conductor shielding layer 5 can reduce The local electric field on the aluminum alloy conductor unit 27 is concentrated, thereby ensuring uniform distribution of the electric field on the surface of the aluminum alloy conductor unit 27; the insulating layer 6 can play an insulating role; the insulating shielding layer 7 is used to shield the electric field, that is, by setting The insulating shielding layer 7 has no power lines distributed outside the insulating shielding layer 7. This can avoid an air gap between the inside and the outside of the insulating shielding layer 7, thereby reducing the impact of the insulation strength on the dynamic submarine cable.
  • the dynamic submarine cable has good water blocking performance and tensile strength, which can meet the strength requirements of large water depths, thereby extending the service life of the dynamic submarine cable.
  • the dynamic submarine cable faces large-scale deviations of floating wind turbines Or when violent shaking occurs under the influence of typhoons, it can ensure power and communication transmission.
  • the conductor monofilament 1 is a high-strength aluminum alloy monofilament 6201-T81.
  • the strength of the aluminum alloy monofilament needs to reach 305Mpa ⁇ 330Mpa.
  • the aluminum alloy monofilament has a higher specific strength in water, that is, Said that the dynamic submarine cable using aluminum alloy monofilament can meet the tensile strength requirements with a smaller cross-section, and can also reduce the weight of the dynamic submarine cable itself, so that the dynamic submarine cable can meet the strength requirements of large water depths; at the same time, Annealing the conductor single wire 1 can eliminate the mechanical stress of the conductor single wire 1 .
  • the outer sheath 20 is made of low-density or high-density polyethylene material.
  • the aluminum alloy conductor unit 27 is wrapped with a water-blocking tape 3 and a semi-conductive binding tape 4 in sequence, which can further improve the water-blocking performance of the aluminum alloy conductor unit 27 .
  • a three-layer co-extruded structure formed by a conductor shielding layer 5, an insulating layer 6 and an insulating shielding layer 7 is provided on the outer periphery of the semi-conductive binding tape 4.
  • the following conditions are met between the pitch of each conductor layer 23 and the outer diameter of the conductor layer 23: 10D A ⁇ h ⁇ 16 D A ; where D A is the outer diameter of the conductor layer, h is the pitch of the conductor layer.
  • the “pitch” refers to the distance traveled by the conductor monofilament 1 in one rotation along the twisted axial direction (ie, the axial length of the cable core 21 ).
  • the aluminum alloy conductor unit 27 arranged in this way has higher tensile strength.
  • the pitch of each conductor layer 23 is 13.5 times the outer diameter of the conductor layer.
  • each conductor layer 23 includes 6n conductor monofilaments 1.
  • n is a natural number; the twisted aluminum alloy conductor unit 27 needs to use a nano-mold as a mold, and the inner diameter of the mold is 0.3 mm to 0.5 mm smaller than the outer diameter D A of each conductor layer 23 . This can alleviate the plastic hardening of the aluminum alloy structure, thereby extending the fatigue life of the aluminum alloy conductor unit 27 .
  • the water-blocking glue 2 should be in the form of a paste before filling, and the curing type should be thermosetting. After curing, it should be an elastomer. This can alleviate the tension between the conductor monofilaments 1 under the bending-tensile load. Frictional stress and damage.
  • the water-blocking glue 2 is a semiconducting resistance water glue with high temperature resistance, no dripping at 130°C, and a volume resistivity less than or equal to 1 ⁇ 10 5 ⁇ cm.
  • the cable core 21 also includes a metal shielding layer 9 arranged on the outer periphery of the insulating shielding layer 7.
  • the metal shielding layer 9 includes two radially spaced cables. The copper strip 91 and the semiconductor water strip 92 arranged between the two copper strips 91 .
  • the metal shielding layer 9 includes two copper strips 91.
  • the two copper strips 91 can increase the short-circuit current and can also carry the charging current and circulating current of the line.
  • the metal shielding layer 9 is also provided with a first semiconducting buffer tape 8 and a second semiconducting buffer tape 10 on the inside and outside respectively.
  • a semiconductor resistive hose 92 is provided. When the copper tape 91 is wrapped, the semiconductor resistor hose 92 is squeezed.
  • the semiconductor resistor hose 92 can block water in the axial direction of the aluminum alloy conductor unit 27; at the same time, the semiconductor resistor hose 92
  • the resistance water tape 92 can also relieve the pressure of the metal shielding layer 9 on the three-layer co-extrusion structure and ensure the safety of electrical operation; on the other hand, during the repeated stretching and bending process of the submarine cable, the semiconductor resistance water tape 92 can also reduce the pressure on the three-layer co-extruded structure.
  • the friction between the two copper strips 91 increases the dynamic fatigue performance of the cable core 21 and avoids the problem that the friction between the two copper strips 91 causes the copper strip 91 to break or even fail, thereby improving the fatigue life of the copper strip 91 .
  • the dynamic submarine cable also includes a filling structure 13.
  • the filling structure 13 is provided between two adjacent cable cores 21. One side of the filling structure 13 is provided with the cable.
  • the outer wall surface of the wire core 21 matches the contact surface 25 and the other side of the filling structure 13 is provided with a receiving groove 26 for receiving the light unit 12 .
  • the filling structure 13 can fill the gap between two adjacent cable cores 21. In this way, when the dynamic submarine cable deflects in a large range or shakes violently, the relative movement of the multiple cable cores 21 can be avoided, thus Ensure the stability of the dynamic submarine cable; at the same time, by setting the filling structure 13, the roundness of the dynamic submarine cable can be improved, and the lateral pressure resistance of the cable core 21 can be increased; in addition, the optical unit is placed outside the filling structure 13, It can realize functions such as optical signal transmission and online monitoring.
  • each filling structure 13 is provided with a plurality of receiving grooves 26, and each receiving groove 26 is provided with light.
  • each filling structure 13 is provided with two receiving grooves 26 (not shown in FIG. 1 ), so that each filling structure 13 can place two light units 12 .
  • two optical units 12 can be laid out and cabled at the same time by modifying the vertical cabling equipment. In this way, the operator can choose the number of placed optical units 12 according to actual usage requirements.
  • the filling structure 13 is made of PP plastic or PE plastic, or both PP plastic and PE plastic. This can increase the lateral pressure resistance of the cable core 21 and protect the optical unit 12 from bending.
  • materials such as calcium carbonate and silicon dioxide can be added to the filling structure 13 during the material forming process, thereby improving the strength of the filling structure 13 .
  • the armor layer 22 is made of twisted flat steel wires. There are multiple armor layers 22, and the flat steel wires of two adjacent armor layers 22 have opposite twisting directions. .
  • the flat steel wires of the two armor layers 22 are twisted in opposite directions. This can meet the torque balance design. During the stretching process, the flat steel wires of the two armor layers 22 are twisted in opposite directions. The steel wire can be evenly stressed, which can improve the strength of the dynamic submarine cable and also improve the bending stiffness of the dynamic submarine cable; the flat steel wire needs to be chamfered to ensure that after the two armor layers 22 are twisted in opposite directions, the armor Layer 22 is dense.
  • the armor layer 22 uses flat steel wires. Since the flat steel wires are mainly in surface contact, the armor layer 22 set up in this way is more wear-resistant; at the same time, the outer diameter of the flat steel wires is smaller, which can make the overall dynamic submarine cable The outer diameter is reduced to facilitate transportation and construction.
  • the pitch of each armor layer 22 is 14 to 15 times the outer diameter of the armor layer 22 .
  • the number of armor layers 22 may also be four.
  • the outer periphery of the armor layer 22 is coated with asphalt or asphalt paint.
  • asphalt or asphalt paint can prevent and reduce the wear of the armor layer 22 under dynamic environmental loads, which can further improve the service life of dynamic submarine cables under large water depths, heavy weights and severe environmental loads.
  • the outer periphery of the armor layer 22 is wrapped with PP rope 17 .
  • the PP rope can tighten the flat steel wire of the armor layer 22, which can further enhance the fatigue resistance of the dynamic submarine cable.
  • an anti-corrosion layer 11 is also provided on the outer periphery of the second semiconductive buffer zone 10.
  • the anti-corrosion layer 11 has radial water-blocking properties, which can prevent the interior of the dynamic submarine cable from being corroded, thereby further improving the dynamic submarine cable. The service life of the cable.
  • inventions of the present application provide a method for forming dynamic submarine cables.
  • the forming method includes:
  • the cable core 21 is prepared such that the cable core 21 includes an aluminum alloy conductor unit 27 , a conductor shielding layer 5 , an insulating layer 6 and an insulating shielding layer 7 arranged sequentially from the inside to the outside.
  • the aluminum alloy conductor unit 27 includes a plurality of conductor layers 23 and a water-blocking glue 2 disposed between two adjacent conductor layers 23, each conductor layer 23 including a plurality of conductor monofilaments 1;
  • Multiple cable cores 21 are provided to form a triangular structure
  • an inner sheath 15, an armor layer 22 and an outer sheath 20 are arranged in order from the inside to the outside.
  • the steps of preparing the cable core 21 further include:
  • Multiple conductor monofilaments 1 are twisted into multiple conductor layers 23 using a non-compressed concentric twisting method
  • the outermost conductor layer 23 is squeezed.
  • multiple conductor monofilaments 1 are twisted into multiple conductor layers 23 in a non-compressed regular concentric twisting manner; a rubber band is added to the outer periphery of each conductor layer 23 to make the water-blocking glue 2.
  • Coating is uniform; extruding the outermost conductor layer 23 can make the outermost layer of the aluminum alloy conductor unit 27 more rounded and meet the requirements of the next three-layer extrusion process. In this step, the aluminum alloy conductor unit 27 The reduction in outer diameter should not exceed 3%.
  • m is the stranding coefficient.
  • the unfolded length of the conductor monofilament 1 rotated for one revolution along the axial direction of the stranding is L.
  • twisting coefficient m may also be the ratio of the mass (or resistance) of the aluminum alloy conductor unit 27 per unit length to the mass (or resistance) of the solid conductor of the same cross-sectional area.
  • the twisting coefficient can be adjusted and the increment can be changed based on the number of different conductor layers 23, so that the aluminum alloy conductor unit 27 can meet the DC resistance of the conductor. Require.
  • the rated loss coefficient is as follows:
  • the number of single wires refers to the total number of conductor single wires 1 in the aluminum alloy conductor unit 27, and the rated loss coefficient is the minimum loss coefficient of the aluminum alloy conductor unit 27 during the preparation and design process, that is, The ratio of the measured breaking strength of the aluminum alloy conductor unit 27 to the theoretically calculated breaking strength.
  • the molding method also includes applying asphalt or asphalt paint on the outer periphery of the armor layer 22 to prevent and reduce wear of the armor layer 22 .
  • the forming method also includes wrapping PP rope around the outer circumference of the armor layer 22 to tighten the flat steel wires of the armor layer 22, thereby further enhancing the fatigue resistance of the dynamic submarine cable.
  • the aluminum alloy water-blocking conductor adopts a circular non-pressed design, which can alleviate the problem of plastic hardening of the structure of the aluminum alloy and extend the aluminum alloy The fatigue life of the conductor; by filling water-blocking glue between two adjacent conductor layers, the aluminum alloy conductor unit can form a tight entity and block water.
  • the glue can improve the water-blocking performance in the gaps between multiple conductor filaments.
  • the water-blocking glue can also alleviate the friction stress and damage between adjacent conductor filaments.
  • the conductor shielding layer, the insulation layer and the insulation shielding layer form a three-layer co-extruded structure.
  • the conductor shielding layer can reduce the local electric field concentration caused by the uneven surface formed by twisting the aluminum alloy conductor unit, thereby ensuring that the aluminum alloy conductor unit The electric field on the surface is evenly distributed; the insulation layer can play an insulating role; the insulation shielding layer is used to shield the electric field. That is to say, by setting up the insulation shielding layer, there is no power line distribution outside the insulation shielding layer, which can avoid the inside of the insulation shielding layer.
  • the semiconductive water-resistant tape can reduce the mutual friction between the two copper tapes and increase the dynamic fatigue performance of the cable core; the filling structure can improve the roundness of the dynamic submarine cable and increase the lateral pressure resistance of the cable core; two The flat steel wires in the armor layer can be stressed evenly, which can improve the strength of dynamic submarine cables; asphalt or asphalt paint can prevent and reduce the wear of the armor layer.

Landscapes

  • Insulated Conductors (AREA)
  • Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)

Abstract

La présente demande concerne un câble sous-marin dynamique et un procédé de formation du câble sous-marin dynamique. Le câble sous-marin dynamique comprend une unité optique et une pluralité d'âmes de câble ; une gaine interne, une couche d'armure et une gaine externe sont agencées séquentiellement de l'intérieur vers l'extérieur autour de l'unité optique et de la pluralité d'âmes de câble ; la pluralité d'âmes de câble forment une structure triangulaire ; les âmes de câble de toute paire d'âmes de câble adjacentes sont en contact d'appui l'une contre l'autre ; chaque âme de câble comprend une unité conductrice en alliage d'aluminium, une couche de blindage conductrice, une couche isolante et une couche de blindage isolante qui sont agencées séquentiellement de l'intérieur vers l'extérieur ; chaque unité conductrice en alliage d'aluminium comprend une pluralité de couches conductrices et de la colle hydrofuge disposée entre les couches conductrices de toute paire de couches conductrices adjacentes ; et chaque couche conductrice comprend une pluralité de monofilaments conducteurs. La solution technique de la présente demande peut offrir de bonnes performances de blocage de l'eau et de bonnes performances en fatigue, ce qui permet de prolonger la durée de vie d'un câble sous-marin dynamique.
PCT/CN2023/081443 2022-06-30 2023-03-14 Câble sous-marin dynamique et procédé de formation de câble sous-marin dynamique WO2024001305A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23829496.1A EP4394804A1 (fr) 2022-06-30 2023-03-14 Câble sous-marin dynamique et procédé de formation de câble sous-marin dynamique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210761675.2 2022-06-30
CN202210761675.2A CN114974676A (zh) 2022-06-30 2022-06-30 动态海底电缆及动态海底电缆的成型方法

Publications (1)

Publication Number Publication Date
WO2024001305A1 true WO2024001305A1 (fr) 2024-01-04

Family

ID=82967604

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/081443 WO2024001305A1 (fr) 2022-06-30 2023-03-14 Câble sous-marin dynamique et procédé de formation de câble sous-marin dynamique

Country Status (3)

Country Link
EP (1) EP4394804A1 (fr)
CN (1) CN114974676A (fr)
WO (1) WO2024001305A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114974676A (zh) * 2022-06-30 2022-08-30 中天科技海缆股份有限公司 动态海底电缆及动态海底电缆的成型方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102903442A (zh) * 2012-11-05 2013-01-30 江苏中辰电缆有限公司 光纤复合海底电力电缆
CN202711831U (zh) * 2012-07-17 2013-01-30 四川明星电缆股份有限公司 一种三芯光电复合海底电缆
CN103123825A (zh) * 2013-03-22 2013-05-29 国网电力科学研究院 高压和超高压柔性直流输电光纤复合挤出绝缘海底电缆
CN204029421U (zh) * 2014-08-20 2014-12-17 江苏亨通高压电缆有限公司 一种轻量型光纤复合海底电缆
CN106024187A (zh) * 2016-07-01 2016-10-12 远东电缆有限公司 智慧能源用交联聚乙烯绝缘浅海湖泊电力电缆及制造方法
CN106128582A (zh) * 2016-08-08 2016-11-16 中天科技海缆有限公司 一种大截面型线导体500kV光纤复合交流海底电缆
CN110176326A (zh) * 2019-07-02 2019-08-27 东方交联电力电缆有限公司 一种新能源单轨铁路系统用单芯电缆
CN111883310A (zh) * 2020-08-04 2020-11-03 中天科技海缆有限公司 一种高压动态海缆
EP3926645A1 (fr) * 2020-06-19 2021-12-22 Nexans Câble ombilical pour le transport combiné de puissance et de fluide
CN114974676A (zh) * 2022-06-30 2022-08-30 中天科技海缆股份有限公司 动态海底电缆及动态海底电缆的成型方法

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202711831U (zh) * 2012-07-17 2013-01-30 四川明星电缆股份有限公司 一种三芯光电复合海底电缆
CN102903442A (zh) * 2012-11-05 2013-01-30 江苏中辰电缆有限公司 光纤复合海底电力电缆
CN103123825A (zh) * 2013-03-22 2013-05-29 国网电力科学研究院 高压和超高压柔性直流输电光纤复合挤出绝缘海底电缆
CN204029421U (zh) * 2014-08-20 2014-12-17 江苏亨通高压电缆有限公司 一种轻量型光纤复合海底电缆
CN106024187A (zh) * 2016-07-01 2016-10-12 远东电缆有限公司 智慧能源用交联聚乙烯绝缘浅海湖泊电力电缆及制造方法
CN106128582A (zh) * 2016-08-08 2016-11-16 中天科技海缆有限公司 一种大截面型线导体500kV光纤复合交流海底电缆
CN110176326A (zh) * 2019-07-02 2019-08-27 东方交联电力电缆有限公司 一种新能源单轨铁路系统用单芯电缆
EP3926645A1 (fr) * 2020-06-19 2021-12-22 Nexans Câble ombilical pour le transport combiné de puissance et de fluide
CN111883310A (zh) * 2020-08-04 2020-11-03 中天科技海缆有限公司 一种高压动态海缆
CN114974676A (zh) * 2022-06-30 2022-08-30 中天科技海缆股份有限公司 动态海底电缆及动态海底电缆的成型方法

Also Published As

Publication number Publication date
EP4394804A1 (fr) 2024-07-03
CN114974676A (zh) 2022-08-30

Similar Documents

Publication Publication Date Title
EP4163931A1 (fr) Câble sous-marin dynamique haute tension
CN210006533U (zh) 一种深海用直流海缆
WO2021164230A1 (fr) Câble sous-marin blindé non métallique
WO2024001305A1 (fr) Câble sous-marin dynamique et procédé de formation de câble sous-marin dynamique
CN208027800U (zh) 一种复合强电型水下生产系统用脐带缆
CN107274985B (zh) 一种z型铜丝铠装光电复合海底电缆
CN113782267A (zh) 一种光纤复合海底电缆及其制备方法
CN105702325B (zh) 船舶及海上石油平台用轻型化电力电缆
CN210429383U (zh) 一种航船用防紫外线耐高温防海水腐蚀阻水可载荷电缆
CN205992443U (zh) 一种抗拉耐候型复合导线芯架空中压电缆
CN107342126A (zh) 一种带有浮标式水下电缆
CN111261330A (zh) 一种充油型500kV超高压海底电缆
WO2023040020A1 (fr) Câble sous-marin
CN211529653U (zh) 一种充油型500kV超高压海底电缆
CN211087965U (zh) 纵向防水电力电缆
CN202093871U (zh) 额定电压220kV三芯光电复合海底电缆
WO2021168947A1 (fr) Câble sous-marin en faisceau et son procédé de fabrication
CN204884676U (zh) 光纤复合架空绝缘电缆
CN212322661U (zh) 一种阻水型架空绝缘电缆
CN214956165U (zh) 一种高层建筑用抗腐蚀型耐磨电力电缆
CN206961558U (zh) 带有浮标的新型电缆
CN205264358U (zh) 一种钢芯铝绞线架空电缆
CN220252921U (zh) 一种光电复合架空电缆
CN217880919U (zh) 一种高速同轴电源混合阻水线缆
CN210896660U (zh) 一种抗耐磨架空绝缘电缆

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23829496

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2023829496

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2023829496

Country of ref document: EP

Effective date: 20240329

ENP Entry into the national phase

Ref document number: 2024533233

Country of ref document: JP

Kind code of ref document: A