WO2015169976A1 - Disposición de refuerzo para uniones de cables submarinos - Google Patents
Disposición de refuerzo para uniones de cables submarinos Download PDFInfo
- Publication number
- WO2015169976A1 WO2015169976A1 PCT/ES2014/070384 ES2014070384W WO2015169976A1 WO 2015169976 A1 WO2015169976 A1 WO 2015169976A1 ES 2014070384 W ES2014070384 W ES 2014070384W WO 2015169976 A1 WO2015169976 A1 WO 2015169976A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cable
- fibers
- reinforcement arrangement
- arrangement according
- reinforced
- Prior art date
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
- H01B7/14—Submarine cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0036—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/007—Devices for relieving mechanical stress
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/12—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes for incorporating transformers, loading coils or amplifiers
- H02G15/14—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes for incorporating transformers, loading coils or amplifiers specially adapted for submarine cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
- H02G15/182—Cable junctions protected by sleeves, e.g. for communication cable held in expanded condition in radial direction prior to installation
Definitions
- One of the objectives of the present invention refers to a reinforcement arrangement used in submarine cable connections with a novel design that provides the connections between two cable ends with high resistance and plasticity against the mechanical stresses or pressures to which these cables are commonly subjected in the environments in which they are arranged.
- Another object of the invention is a method or method by which the present reinforcement arrangement is applied to the connections of the submarine cables. Field of application of the invention.
- the scope of the invention is framed within the sector of submarine conductive cables intended for the transport of electrical energy, and especially in the field of protection elements used to protect the joints of said cables arranged on the seabed.
- the existence of different types of devices such as connectors, hermetic plugs, housings, and frames, and methods that are used to reinforce and protect the connections of submarine cables are known in the state of the art.
- the shield layer includes at least one section of heavy armor that includes at least one layer of heavy metal wires, and a Light armor section, comprising ends, presenting a transition region where both sections are joined so that the rigidity and flexibility of the cable can be controlled.
- the recommended invention relates to a reinforcement arrangement used in the union of two submarine cable ends, said cables including a copper or aluminum conductor core with one or more polymeric and metallic layers constituting insulations, screens and covers, where said cores they are joined by known methods, the reinforcement arrangement consisting of a body that is arranged radially on the cable junction zone and on the adjacent area of the outer sheath or cable sheath, the body being formed by a material reinforced with high fibers mechanical resistance, attached to the outer part of the cable by means of a mechanical fixing element, so that the cable junction zone supports a breaking load value in a range between 96% and 100% of the load value of cable break without union.
- Said body gives the union or joint between both cables a high resistance and plasticity, suitable to resist the mechanical stresses or pressures to which these joints are subjected in the environments in which they are arranged.
- the reinforcement arrangement may comprise more than two bodies formed by said material reinforced with high mechanical strength fibers, these bodies being arranged concentrically in a radial direction.
- the body can define a structure chosen from half rods, braided mesh, longitudinal fibers, or a combination of the above. These arrangements are suitable to guarantee resistance to the high mechanical stresses to which said joints are subjected.
- the high mechanical strength fibers used in the shaping of the body are chosen from the group consisting of carbon fibers, glass fibers, aramid fibers, metal fibers, gafrene fibers, and synthetic fibers, where the body reinforced with said fibers will comprise additionally a resin formed by a polymeric matrix, fillers and additives, which will be necessary to form said body.
- the fibers may be arranged in the body of the reinforcement device in the same direction or in different directions, which will be a function of the mechanical resistance values that are desired to be obtained and the tension values that the reinforcement arrangement of the reinforcement of the invention.
- the body of the reinforcement arrangement of the invention will be formed by a plurality of sheets of a material reinforced with fibers of high mechanical strength, where the direction of the fibers between each sheet can be arranged alternately or not in different directions, thereby increasing the mechanical strength of the arrangement.
- the plurality of sheets may decrease their length in the axial direction of the cable as they are arranged in radial direction, comprising a last upper sheet covering all the lower sheets.
- the body of the reinforcement arrangement will have a thickness defined by its outer diameter that varies between 0.5 nun and 20 mm thick, which guarantees a lower weight to the reinforcement structure and therefore easy handling at the time of its arrangement in the workplace.
- the mechanical fixing element used to join the body to the outer part of the cable through the joining area is a structural adhesive.
- the body of the reinforcement arrangement of the invention comprises a structure in the form of half rods where each half rods comprises a plurality of sheets of carbon fibers arranged together so that the direction of the carbon fibers between sheets they are alternated in different directions, said sections being radially outer and facing each other over the cable junction zone, said half reeds joining each other and to the cable by means of a structural adhesive, so that the cable junction zone is adapted to withstand a breaking load value of more than 100% of the breaking load value of the cable without joint.
- each half rods comprises a plurality of sheets of carbon fibers arranged together so that the direction of the carbon fibers between sheets they are alternated in different directions, said sections being radially outer and facing each other over the cable junction zone, said half reeds joining each other and to the cable by means of a structural adhesive, so that the cable junction zone is adapted to withstand a breaking load value of more than 100% of the breaking load value of the cable without joint.
- the reinforcement arrangement of the invention can be accompanied by other reinforcement elements such as bushings, reinforcements, or meshes, arranged radially on the body so as to exert additional pressure on the reinforcement arrangement and enable an increase in strength. of the structure.
- other reinforcement elements such as bushings, reinforcements, or meshes, arranged radially on the body so as to exert additional pressure on the reinforcement arrangement and enable an increase in strength. of the structure.
- a method for the application of a reinforcement arrangement in the union of two ends of conductive cables each including a copper or aluminum conductor core with one or more polymeric layers and Metals that constitute insulation, screens and covers.
- the method includes the steps of preparation of the surface of the cable to be reinforced, and of preparation and application of a body formed by at least one sheet of a material reinforced with fibers of high mechanical strength.
- the first stage of preparation of the surface of the cable to be reinforced includes the operations of: sanding the surface of the cable, pneumatic cleaning, flaming the surface, and applying a polarizing agent on said surface.
- the stage of preparation and application of the body formed by at least one sheet of a material reinforced with fibers of high mechanical resistance includes the following steps:
- a) - conformation of the body comprising at least one sheet of the material reinforced with fibers of high mechanical resistance where said structure is chosen from: half rods, braided mesh, longitudinal fibers, or a combination of the above.
- the method for applying the reinforcement arrangement may comprise the application of heat shrink tapes and heat treatments at temperatures between 50 ° and 500 ° celcius, which confers a high resistance and impermeability to the reinforcement arrangement.
- Figure 1 is a plan view of the reinforcement arrangement of the invention.
- Figure 2 is an exploded perspective view of an embodiment of the arrangement of the invention.
- Figure 3 is a sectional view according to the direction BB 'of Figure 1, where an embodiment of the invention is illustrated in which the reinforcement arrangement comprises the body having a half-round shape.
- Figure 4 is a sectional view where an embodiment of the invention is illustrated in which two bodies in the form of radially arranged half rods are shown.
- Figure 5 is a sectional view of an embodiment of the invention where the body is constituted by a plurality of sheets reinforced with fibers of high mechanical strength.
- Figure 6 illustrates a variant of the arrangement of the sheets reinforced with fibers of high mechanical resistance.
- Figure 7 is a sectional view showing another embodiment of the invention where the plurality of sheets are arranged according to an arrangement where said sheets decrease their length in the axial direction of the cable as they are arranged in radial direction .
- the recommended invention refers to a reinforcement arrangement (10) applicable to submarine conductive cable junctions, where the cable includes a conductive core (11.11 ') of copper or aluminum with one or more polymeric and metallic layers (12,12 ') that constitute insulations, screens and covers, where the connections between the conductive cores are made by known methods, such as welding.
- the arrangement comprises a body (14) that is arranged radially on the cable junction zone and on the adjacent area of the outer sheath or cable sheath.
- the body (14) is formed by a material reinforced with high mechanical resistance fibers, connected to the outside of the cable by means of a mechanical fixing element.
- the reinforcement arrangement gives the cable splice a reinforcement with a high strength, able to withstand the high mechanical stresses, pressures and forces to which said cables are normally subjected in the environment or environment in which they are arranged, and in turn, said reinforcement has a lightness and plasticity such that it facilitates the manipulation of these joints during the work of placing them on the seabed. More specifically, the arrangement allows the cable junction zone to withstand a breaking load value in a range between 96% and 100% of the cable breaking load value without the joint.
- the body (14) of the reinforcement arrangement (10) can define a structure chosen from half-round, braided mesh, longitudinal fibers, or a combination of the above.
- Figure 3 shows the embodiment when the body comprises a half-round structure (14 ', 14' ').
- the recommended reinforcement arrangement may comprise more than two bodies (14,15) formed by a material reinforced with fibers of high mechanical strength, said bodies being arranged concentrically in a radial direction Specifically in Figure 4 the embodiment of the invention is illustrated when both bodies (14,15) have a half-round configuration.
- bodies may present different configurations and being able to combine to achieve a reinforcement arrangement that allows high mechanical stresses to be supported in the joining area.
- the union of the body (14) to the zone of union of the cables and between the different bodies (14,15) is carried out by means of the use of a mechanical fixing element, preferably a structural adhesive.
- the body (14) reinforced with high strength fibers may comprise the fibers arranged in the same direction or in different directions.
- the body (14) can comprise a plurality of sheets (16) reinforced with fibers of high mechanical strength, where the sheets can be arranged between them. so that the direction of the fibers between sheets is alternated or not in different directions, as shown in Figure 6.
- an inner sheet (17) covering the cable junction zone a plurality, is defined of intermediate sheets (18) and an outer sheet (19) covering the inner sheets.
- This distribution gives the reinforcement arrangement a high resistance to mechanical stresses and stresses, and therefore, the area of connection of conductive cables (11.11 ') is reinforced, and the cable with the reinforcement arrangement is adapted to withstand a breaking load value in a range of between 96% and 100% of the cable breaking load value without the joint.
- the plurality of sheets (16) can be arranged according to an arrangement where said sheets decrease their length in the axial direction of the cable as they are arranged in radial direction, comprising a last upper sheet (19) covering all the lower ones.
- connection of the cables is conferred a reinforcement with a high strength, capable of withstanding the high mechanical stresses, pressures and forces to which said cables are subjected in the environment or environment in which they are arranged.
- a light reinforcement of small dimension is configured, with a thickness that can vary between 0.5 mm and 20 mm, and with a plasticity that facilitates the manipulation of these joints during placement work of them on the seabed.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Cable Accessories (AREA)
- Insulated Conductors (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES14891203T ES2715415T3 (es) | 2014-05-05 | 2014-05-05 | Disposición de refuerzo para uniones de cables submarinos |
PCT/ES2014/070384 WO2015169976A1 (es) | 2014-05-05 | 2014-05-05 | Disposición de refuerzo para uniones de cables submarinos |
BR112016017258-2A BR112016017258B1 (pt) | 2014-05-05 | 2014-05-05 | Estrutura de reforço para conexões de cabos submarinos |
EP14891203.3A EP3089298B1 (en) | 2014-05-05 | 2014-05-05 | Reinforcement arrangement for submarine cable junctions |
US15/113,623 US10032541B2 (en) | 2014-05-05 | 2014-05-05 | Reinforcement arrangement for submarine cable connections |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES2014/070384 WO2015169976A1 (es) | 2014-05-05 | 2014-05-05 | Disposición de refuerzo para uniones de cables submarinos |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015169976A1 true WO2015169976A1 (es) | 2015-11-12 |
Family
ID=54392181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2014/070384 WO2015169976A1 (es) | 2014-05-05 | 2014-05-05 | Disposición de refuerzo para uniones de cables submarinos |
Country Status (5)
Country | Link |
---|---|
US (1) | US10032541B2 (es) |
EP (1) | EP3089298B1 (es) |
BR (1) | BR112016017258B1 (es) |
ES (1) | ES2715415T3 (es) |
WO (1) | WO2015169976A1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3336993A1 (en) | 2016-12-19 | 2018-06-20 | Nexans | Cable reinforcement sleeve for subsea cable joint |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2967795A (en) * | 1955-10-18 | 1961-01-10 | Minnesota Mining & Mfg | Protection of wire-splices |
GB2059691A (en) * | 1979-09-29 | 1981-04-23 | Pirie J K | Underwater cable terminations |
US4621168A (en) * | 1984-02-02 | 1986-11-04 | Standard Telephones And Cables Public Limited Company | Submarine cable joint housing |
US5281763A (en) * | 1989-07-03 | 1994-01-25 | Raychem Gmbh | Cable blocking |
JP3307437B2 (ja) * | 1992-11-10 | 2002-07-24 | 古河電気工業株式会社 | 繊維強化プラスチック補強線 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3312777A (en) * | 1964-08-19 | 1967-04-04 | Rochester Ropes Inc | Armored electrical cable breakout |
JP3401310B2 (ja) * | 1993-12-06 | 2003-04-28 | 住友ゴム工業株式会社 | 繊維予備成形体の製造方法 |
WO2005040017A2 (en) * | 2003-10-22 | 2005-05-06 | Composite Technology Corporation | Aluminum conductor composite core reinforced cable and method of manufacture |
ES2261070B2 (es) * | 2005-04-01 | 2007-06-16 | Universidad Politecnica De Madrid | Material laminado hibrido fibra-metal para construccion naval y su procedimiento de fabricacion. |
NO20110321A1 (no) * | 2011-03-01 | 2012-09-03 | Aker Subsea As | Skjoting av kabler |
-
2014
- 2014-05-05 ES ES14891203T patent/ES2715415T3/es active Active
- 2014-05-05 BR BR112016017258-2A patent/BR112016017258B1/pt active IP Right Grant
- 2014-05-05 US US15/113,623 patent/US10032541B2/en active Active
- 2014-05-05 WO PCT/ES2014/070384 patent/WO2015169976A1/es active Application Filing
- 2014-05-05 EP EP14891203.3A patent/EP3089298B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2967795A (en) * | 1955-10-18 | 1961-01-10 | Minnesota Mining & Mfg | Protection of wire-splices |
GB2059691A (en) * | 1979-09-29 | 1981-04-23 | Pirie J K | Underwater cable terminations |
US4621168A (en) * | 1984-02-02 | 1986-11-04 | Standard Telephones And Cables Public Limited Company | Submarine cable joint housing |
US5281763A (en) * | 1989-07-03 | 1994-01-25 | Raychem Gmbh | Cable blocking |
JP3307437B2 (ja) * | 1992-11-10 | 2002-07-24 | 古河電気工業株式会社 | 繊維強化プラスチック補強線 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3336993A1 (en) | 2016-12-19 | 2018-06-20 | Nexans | Cable reinforcement sleeve for subsea cable joint |
Also Published As
Publication number | Publication date |
---|---|
BR112016017258B1 (pt) | 2021-12-21 |
ES2715415T3 (es) | 2019-06-04 |
BR112016017258A2 (pt) | 2017-08-08 |
EP3089298A1 (en) | 2016-11-02 |
US10032541B2 (en) | 2018-07-24 |
US20170004904A1 (en) | 2017-01-05 |
EP3089298A4 (en) | 2017-11-08 |
EP3089298B1 (en) | 2018-12-12 |
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