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EP2793237B1 - Power-transmission cable with composite joints - Google Patents

Power-transmission cable with composite joints Download PDF

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Publication number
EP2793237B1
EP2793237B1 EP14155813.0A EP14155813A EP2793237B1 EP 2793237 B1 EP2793237 B1 EP 2793237B1 EP 14155813 A EP14155813 A EP 14155813A EP 2793237 B1 EP2793237 B1 EP 2793237B1
Authority
EP
European Patent Office
Prior art keywords
cable according
metal
metal layer
cable
rods
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
Application number
EP14155813.0A
Other languages
German (de)
French (fr)
Other versions
EP2793237A1 (en
Inventor
Emilien Comoret
Francis Debladis
Guillaume VEGA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nexans SA
Original Assignee
Nexans SA
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 Nexans SA filed Critical Nexans SA
Publication of EP2793237A1 publication Critical patent/EP2793237A1/en
Application granted granted Critical
Publication of EP2793237B1 publication Critical patent/EP2793237B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08Several wires or the like stranded in the form of a rope
    • H01B5/10Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
    • H01B5/102Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core
    • H01B5/105Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core composed of synthetic filaments, e.g. glass-fibres

Definitions

  • the invention relates to a cable for the transmission of electricity, in particular air, comprising a set of composite rods.
  • each group of unit rods contains a highly viscous two-component silicone grease polymerized.
  • aluminum filler elements are stranded with the groups of unitary rods.
  • patent documents JP H03 129 606 and WO 2012/052652 also disclose composite wire rods (s).
  • the invention solves this problem by proposing a central composite rod ropes reliable manufacturing and constitution particularly resistant in operation.
  • the invention proposes a power transmission cable comprising a central assembly of composite unit rods formed of fibers embedded in a resin and around which wires are arranged.
  • metal conductors said set of unitary rods being coated with a first metal layer, characterized in that each unit rod is covered with a second metal layer having a thickness of between 0.2 and 0.5 mm, said unitary rods having a diameter of between 1 and 10 mm and said first metal layer having a thickness of between 0.7 and 1.5 mm.
  • said set of rods comprises a central unit rod disposed on the longitudinal axis of the cable around which are strung several other unit rods.
  • said first metal layer consists of a metal strip wound and welded longitudinally.
  • said second metal layers consist of a metal strip wound and welded longitudinally.
  • Said first metal layer is advantageously made of aluminum or aluminum alloy.
  • Said second metal layers are advantageously also made of aluminum or aluminum alloy.
  • Said unitary rods are advantageously made of carbon fibers pultruded in an epoxy resin.
  • Said conductive son are preferably aluminum or aluminum alloy.
  • a power transmission cable comprises a central assembly 1 of composite unit rods 1A, 1B formed of fibers embedded in a resin, preferably carbon fibers pultruded in an epoxy resin, and around which are wound metal conductors son 2, 3, preferably aluminum or aluminum alloy 'aluminum.
  • the cable comprises a first inner layer of conductive wires 2 of trapezoidal section and two outer layers of wires 3 of Z-shaped section wound in a reverse direction.
  • Any combination of conductive wires of circular, trapezoidal and / or Z-shaped section may be used according to design considerations.
  • the set of unit rods 1 is coated with a first metal layer 4 and each unit rod 1A, 1B is covered with a second metal layer 5A, 5B.
  • This set of unit rods 1 comprises a central unit ring 1A disposed on the longitudinal axis of the cable and around which are strung several other unitary rods 1 B, for example six in number.
  • the central unitary ring 1A advantageously has a diameter of between 1 and 10 mm, preferably substantially equal to 4 mm, and the other unitary rods 1B advantageously have a diameter also between 1 and 10 mm, preferably between 3 and 6 mm and advantageously substantially equal to 5.5 mm.
  • the first and second metal layers 4, 5A, 5B consist of a metal strip wound and welded longitudinally but they can also be made by another method, for example by extrusion, by plasma spraying or by cold spraying. .
  • metal layers 4, 5A, 5B are preferably made of aluminum or aluminum alloy, but may also be of another metal, for example steel or stainless steel.
  • the first metal layer 4 has a thickness of between 0.7 and 1.5 mm and advantageously substantially equal to 1 mm
  • the second metal layers 5A, 5B have a thickness of between 0.2 and 0.5 mm and advantageously substantially equal to 0.3 mm.

Landscapes

  • Non-Insulated Conductors (AREA)
  • Insulated Conductors (AREA)

Description

L'invention concerne un câble de transport d'électricité en particulier aérien comportant un ensemble de joncs composites.The invention relates to a cable for the transmission of electricity, in particular air, comprising a set of composite rods.

Des câbles aériens à joncs centraux composites formant support mécanique de fils conducteurs enroulés autour des joncs et constitué de fibres pultrudées dans une résine sont connus.Overhead cables with composite central rods forming a mechanical support of conductive wires wound around the rods and consisting of fibers pultruded in a resin are known.

Selon le document de brevet EP 2 410 534 , le support central comporte trois groupes de plusieurs joncs unitaires composites toronnés, chaque tel groupe étant revêtu d'une couche d'aluminium extrudée à chaud. Ces groupes de joncs sont toronnés ensemble et recouvert d'une autre couche d'aluminium par extrusion à chaud, autour de laquelle sont enroulés des fils conducteurs. Les joncs unitaires sont formés de fibres de carbone et de fibres de verre pultrudées dans une résine.According to the patent document EP 2 410 534 , the central support comprises three groups of several stranded composite unit rods, each such group being coated with a layer of extruded aluminum hot. These groups of rods are stranded together and covered with another layer of aluminum by hot extrusion, around which are wound conductive son. The unitary rods are formed of carbon fibers and glass fibers pultruded in a resin.

Pour extruder à chaud la première couche d'aluminium, chaque groupe de joncs unitaires contient une graisse de silicone à deux composants très visqueuse polymérisée. Par ailleurs, des éléments de remplissage en aluminium sont toronnés avec les groupes de joncs unitaires.To hot extrude the first aluminum layer, each group of unit rods contains a highly viscous two-component silicone grease polymerized. In addition, aluminum filler elements are stranded with the groups of unitary rods.

Outre sa complexité de fabrication suite à l'extrusion des couches d'aluminium, ce type de jonc pose le problème technique suivant. Dans chaque groupe de joncs unitaires, ces joncs unitaires relativement fragiles sont assemblés par toronnage sans protection et avec contacts directs entre eux. Il en résulte des risques importants de détérioration lors du câblage, lors du sertissage d'accessoires et même lors de l'utilisation du câble, par exemple suite aux efforts provoqués par le vent.In addition to its manufacturing complexity following the extrusion of aluminum layers, this type of rod poses the following technical problem. In each group of unitary rods, these relatively fragile unit rods are assembled by stranding unprotected and with direct contacts between them. This results in significant risks of deterioration during wiring, during the crimping of accessories and even during the use of the cable, for example due to the forces caused by the wind.

Par ailleurs, les documents de brevet JP H03 129 606 et WO 2012/052652 décrivent également des câbles de transport d'électricité à jonc(s) composite(s).In addition, patent documents JP H03 129 606 and WO 2012/052652 also disclose composite wire rods (s).

L'invention résout ce problème en proposant un câble à joncs composites centraux de fabrication fiable et de constitution particulièrement résistante en fonctionnement.The invention solves this problem by proposing a central composite rod ropes reliable manufacturing and constitution particularly resistant in operation.

Pour ce faire, l'invention propose un câble de transport d'électricité comportant un ensemble central de joncs unitaires composites formés de fibres noyées dans une résine et autour duquel sont disposés des fils conducteurs métalliques, ledit ensemble de joncs unitaires étant revêtu d'une première couche métallique, caractérisé en ce que chaque jonc unitaire est recouvert d'une seconde couche métallique d'une épaisseur comprise entre 0,2 et 0,5 mm, lesdits joncs unitaires ayant un diamètre compris entre 1 et 10 mm et ladite première couche métallique ayant une épaisseur comprise entre 0,7 et 1,5 mm.To do this, the invention proposes a power transmission cable comprising a central assembly of composite unit rods formed of fibers embedded in a resin and around which wires are arranged. metal conductors, said set of unitary rods being coated with a first metal layer, characterized in that each unit rod is covered with a second metal layer having a thickness of between 0.2 and 0.5 mm, said unitary rods having a diameter of between 1 and 10 mm and said first metal layer having a thickness of between 0.7 and 1.5 mm.

De cette façon, tous les joncs unitaires sont totalement protégés lors du câblage, lors du sertissage d'accessoires et lors de l'utilisation du câble, par la seconde couche dont l'épaisseur n'excède pas 1 mm.In this way, all unit rods are fully protected during the wiring, during the crimping of accessories and when using the cable, by the second layer whose thickness does not exceed 1 mm.

De préférence, ledit ensemble de joncs comporte un jonc unitaire central disposé sur l'axe longitudinal du câble autour duquel sont toronnés plusieurs autres joncs unitaires.Preferably, said set of rods comprises a central unit rod disposed on the longitudinal axis of the cable around which are strung several other unit rods.

De préférence, ladite première couche métallique est constituée d'une bande de métal enroulée et soudée longitudinalement.Preferably, said first metal layer consists of a metal strip wound and welded longitudinally.

De préférence, lesdites secondes couches métalliques sont constituées d'une bande de métal enroulée et soudée longitudinalement.Preferably, said second metal layers consist of a metal strip wound and welded longitudinally.

Ladite première couche métallique est avantageusement en aluminium ou en alliage d'aluminium.Said first metal layer is advantageously made of aluminum or aluminum alloy.

Lesdites secondes couches métalliques sont avantageusement également en aluminium ou en alliage d'aluminium.Said second metal layers are advantageously also made of aluminum or aluminum alloy.

Lesdits joncs unitaires sont avantageusement en fibres de carbone pultrudées dans une résine époxy.Said unitary rods are advantageously made of carbon fibers pultruded in an epoxy resin.

Lesdits fils conducteurs sont avantageusement en aluminium ou en alliage d'aluminium.Said conductive son are preferably aluminum or aluminum alloy.

De préférence, ledit jonc unitaire central a un diamètre sensiblement égal à 4 mm et lesdits autres joncs unitaires ont un diamètre compris entre 3 et 6 mm.Preferably, said central unit ring has a diameter substantially equal to 4 mm and said other unit rods have a diameter of between 3 and 6 mm.

L'invention est décrite ci-après plus en détail à l'aide d'une figure représentant un mode de réalisation préféré de l'invention.The invention is described below in more detail with the aid of a figure representing a preferred embodiment of the invention.

Cette figure est une vue en coupe transversale d'un câble conforme à l'invention.This figure is a cross-sectional view of a cable according to the invention.

Un câble de transport d'électricité conforme à l'invention comporte un ensemble central 1 de joncs unitaires composites 1A, 1B formés de fibres noyées dans une résine, de préférence des fibres de carbone pultrudées dans une résine époxy, et autour duquel sont enroulés des fils conducteurs métalliques 2, 3, avantageusement en aluminium ou en alliage d'aluminium.A power transmission cable according to the invention comprises a central assembly 1 of composite unit rods 1A, 1B formed of fibers embedded in a resin, preferably carbon fibers pultruded in an epoxy resin, and around which are wound metal conductors son 2, 3, preferably aluminum or aluminum alloy 'aluminum.

A titre d'exemple, comme illustré, le câble comporte une première couche interne de fils conducteurs 2 de section trapézoïdale et deux couches externes de fils 3 de section en forme de Z enroulés dans un sens inverse. Toute combinaison de fils conducteurs de section circulaire, trapézoïdale et/ou en Z peut être utilisée selon des considérations de dimensionnement.By way of example, as illustrated, the cable comprises a first inner layer of conductive wires 2 of trapezoidal section and two outer layers of wires 3 of Z-shaped section wound in a reverse direction. Any combination of conductive wires of circular, trapezoidal and / or Z-shaped section may be used according to design considerations.

L'ensemble de joncs unitaires 1 est revêtu d'une première couche métallique 4 et chaque jonc unitaire 1A, 1B est recouvert d'une seconde couche métallique 5A, 5B.The set of unit rods 1 is coated with a first metal layer 4 and each unit rod 1A, 1B is covered with a second metal layer 5A, 5B.

Cet ensemble de joncs unitaires 1 comporte un jonc unitaire central 1A disposé sur l'axe longitudinal du câble et autour duquel sont toronnés plusieurs autres joncs unitaires 1 B, par exemple au nombre de six.This set of unit rods 1 comprises a central unit ring 1A disposed on the longitudinal axis of the cable and around which are strung several other unitary rods 1 B, for example six in number.

Le jonc unitaire central 1A a avantageusement un diamètre compris entre 1 et 10 mm, de préférence sensiblement égal à 4 mm, et les autres joncs unitaires 1B ont avantageusement un diamètre également compris entre 1 et 10 mm, de préférence compris entre 3 et 6 mm et avantageusement sensiblement égal à 5,5 mm.The central unitary ring 1A advantageously has a diameter of between 1 and 10 mm, preferably substantially equal to 4 mm, and the other unitary rods 1B advantageously have a diameter also between 1 and 10 mm, preferably between 3 and 6 mm and advantageously substantially equal to 5.5 mm.

De préférence, les première et seconde couches métalliques 4, 5A, 5B sont constituées d'une bande de métal enroulée et soudée longitudinalement mais elles peuvent également être réalisée par un autre procédé, par exemple par extrusion, par projection plasma ou par projection à froid.Preferably, the first and second metal layers 4, 5A, 5B consist of a metal strip wound and welded longitudinally but they can also be made by another method, for example by extrusion, by plasma spraying or by cold spraying. .

Ces couches métalliques 4, 5A, 5B sont de préférence en aluminium ou en alliage d'aluminium, mais peuvent être également en un autre métal, par exemple en acier ou acier inoxydable.These metal layers 4, 5A, 5B are preferably made of aluminum or aluminum alloy, but may also be of another metal, for example steel or stainless steel.

Avantageusement, la première couche métallique 4 a une épaisseur comprise entre 0,7 et 1,5 mm et avantageusement sensiblement égale 1 mm, et les secondes couches métalliques 5A, 5B ont une épaisseur comprise entre 0,2 et 0,5 mm et avantageusement sensiblement égale à 0,3 mm.Advantageously, the first metal layer 4 has a thickness of between 0.7 and 1.5 mm and advantageously substantially equal to 1 mm, and the second metal layers 5A, 5B have a thickness of between 0.2 and 0.5 mm and advantageously substantially equal to 0.3 mm.

Claims (9)

  1. A cable for transporting electricity including a central assembly of composite ring units (1A, 1B) formed with fibers embedded in resin and around which are positioned conducting metal wires (2, 3), said assembly of ring units (1) being coated with a first metal layer (4), characterized in that each ring unit (1A, 1B) is covered with a second metal layer (5A, 5B) with a thickness comprised between 0.2 and 0.5 mm, said ring units (1A, 1B) having a diameter comprised between 1 and 10 mm and said first metal layer (4) having a thickness comprised between 0.7 and 1.5 mm.
  2. The cable according to claim 1, characterized in that said assembly (1) includes a central ring unit (1A) positioned on the longitudinal axis of the cable around which are stranded several other ring units (1B).
  3. The cable according to one of the preceding claims, characterized in that said first metal layer (4) consists of a wound and longitudinally welded strip of metal.
  4. The cable according to one of the preceding claims, characterized in that said second metal layers (5A, 5B) consist of a wound and longitudinally welded strip of metal.
  5. The cable according to one of the preceding claims, characterized in that said first metal layer (4) is in aluminium or in an aluminium alloy.
  6. The cable according to one of the preceding claims, characterized in that said second metal layers (5A, 5B) are in aluminium or in an aluminium alloy.
  7. The cable according to one of the preceding claims, characterized in that said ring units (1A, 1B) are in pultruded carbon fibers in an epoxy resin.
  8. The cable according to one of the preceding claims, characterized in that said conducting wires (2, 3) are in aluminium or in an aluminium alloy.
  9. The cable according to one of claims 2 to 8, characterizing that said central ring unit has a diameter substantially equal to 4 mm and said other ring units (1A, 1B) have a diameter comprised between 3 and 6 mm.
EP14155813.0A 2013-04-17 2014-02-19 Power-transmission cable with composite joints Not-in-force EP2793237B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1353462A FR3004847B1 (en) 2013-04-17 2013-04-17 JONCS COMPOSITES ELECTRICITY TRANSPORT CABLE

Publications (2)

Publication Number Publication Date
EP2793237A1 EP2793237A1 (en) 2014-10-22
EP2793237B1 true EP2793237B1 (en) 2016-04-13

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ID=48856830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14155813.0A Not-in-force EP2793237B1 (en) 2013-04-17 2014-02-19 Power-transmission cable with composite joints

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EP (1) EP2793237B1 (en)
BR (1) BR102014008298A2 (en)
FR (1) FR3004847B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106205787A (en) * 2016-08-31 2016-12-07 无锡江南电缆有限公司 A kind of heat resisting diameter enlarging bus bar
CN106205786A (en) * 2016-08-31 2016-12-07 无锡江南电缆有限公司 The reinforced heat resisting diameter enlarging bus bar of a kind of improvement
CN114068069B (en) * 2021-11-15 2022-07-19 广州岭南电缆股份有限公司 Energy-saving conductor and preparation method and manufacturing equipment thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03129606A (en) * 1989-07-27 1991-06-03 Hitachi Cable Ltd Aerial power cable
IT1401307B1 (en) * 2010-07-22 2013-07-18 Tratos Cavi S P A ROPE FOR HIGH-VOLTAGE AIR LINES WITH HIGH THERMAL LIMIT AND 3 CARRIERS
FR2966640B1 (en) * 2010-10-20 2015-12-18 Nexans ELECTRICAL CONVEYANCE CABLE WITH CENTRAL COMPOSITE JONC

Also Published As

Publication number Publication date
FR3004847B1 (en) 2016-07-29
EP2793237A1 (en) 2014-10-22
BR102014008298A2 (en) 2014-12-23
FR3004847A1 (en) 2014-10-24

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