EP1816654B1 - Electrical transport conductor for overhead line - Google Patents

Electrical transport conductor for overhead line Download PDF

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Publication number
EP1816654B1
EP1816654B1 EP20070300754 EP07300754A EP1816654B1 EP 1816654 B1 EP1816654 B1 EP 1816654B1 EP 20070300754 EP20070300754 EP 20070300754 EP 07300754 A EP07300754 A EP 07300754A EP 1816654 B1 EP1816654 B1 EP 1816654B1
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EP
European Patent Office
Prior art keywords
insulating material
ring
conductor
layer
coated
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
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EP20070300754
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German (de)
French (fr)
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EP1816654A3 (en
EP1816654A2 (en
Inventor
Daniel Guery
Michel Martin
Philippe Dubois
Michael Alexandre
Fabrice Dubouloz
Leila Bonnaud
Guy Guerlement
Jacques Lobry
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Nexans SA
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Nexans SA
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Publication of EP1816654A3 publication Critical patent/EP1816654A3/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/008—Power cables for overhead application
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023—Alloys based on aluminium
    • 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
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08—Several wires or the like stranded in the form of a rope
    • H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
    • H01B5/102—Several 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
    • H01B5/105—Several 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/006—Constructional features relating to the conductors

Definitions

  • the invention relates to an electrical transport conductor for high voltage overhead line.
  • a conductor comprising at least one central composite rod consisting of continuous fibers impregnated with a thermosetting resin matrix and around which are arranged conductive son of aluminum or aluminum alloy.
  • the composite rod consists of organic or inorganic fibers, for example aramid, silicon carbide or carbon, impregnated with a synthetic resin, preferably an epoxy resin.
  • a synthetic resin preferably an epoxy resin.
  • This ring can be coated with a polyimide resin or wrapped with a polyimide film, forming an insulating layer.
  • Aluminum conductor wires are wrapped around such a ring or a set of such rods to form an electrical transport conductor.
  • the function of the polyimide coating is to avoid corrosion problems at the interface between the conductive wires and the rod comprising carbon fibers.
  • the polyimide coating is made by coating or taping, it is necessary after placing the coating to pass the coated rod in a drying oven.
  • the insulating layer thus formed is compatible with a conductor whose operating temperature is greater than or equal to 200 ° C.
  • the invention solves this problem and proposes a method for manufacturing an electrical transport conductor, in particular for overhead electrical lines, whose operating temperature is greater than or equal to 200 ° C. and comprising at least one central composite rod consisting of fibers continuous and impregnated with an epoxy resin matrix, this rod being coated with at least one layer of insulating material and aluminum or aluminum alloy conductive wires being wound around this rod, characterized in that said insulating material is compatible with said operating temperature and is put in place on said rod without subsequent heating.
  • said insulating material is extruded on said rod.
  • said insulating material is a polyether-ether-ketone.
  • said insulating material is poly (oxy-1,4-phenyleneoxy-1,4-phenylene-carbonyl-1,4-phenylene).
  • said insulating material consists of at least one tape placed on said rod.
  • the nature of said insulating material is fiberglass.
  • the invention also relates to an electric transport conductor produced according to such a method, said conductive son being wound in at least one layer covering said rod coated with said insulating material.
  • the conductor comprises a plurality of composite rods, at least one of which is coated with a said layer of insulating material.
  • It may also comprise a plurality of composite rods contained in a said layer of insulating material.
  • Said conductive threads can be of round shape, Trap shape or Z shape.
  • Said fibers are preferably made of carbon.
  • FIGS 1 to 6 are cross-sectional views of electric transport conductors according to the invention.
  • an electrical transport conductor in particular for overhead power lines, whose operating temperature is greater than or equal to 200 ° C. It comprises at least one central composite rod 1 consisting of fibers, preferably continuous filaments of carbon fibers, impregnated with a matrix of thermosetting resin, preferably epoxy resin, this rod being coated with a layer of insulating material 2 and by son son aluminum or aluminum alloy 3 being wrapped around this rod.
  • a central composite rod 1 consisting of fibers, preferably continuous filaments of carbon fibers, impregnated with a matrix of thermosetting resin, preferably epoxy resin, this rod being coated with a layer of insulating material 2 and by son son aluminum or aluminum alloy 3 being wrapped around this rod.
  • the continuous fibers are impregnated with resin and then the rod formed is subjected to a heat treatment by continuous elevation of temperature.
  • Such a ring of mechanical reinforcement has the advantage of having a low specific weight and to accept significant mechanical stresses.
  • the number of composite rods used for a conductor is such that the latter passes an alternating bending test intended to demonstrate that the stresses present during unwinding under mechanical tension in the pulleys do not affect or degrade the performance of the driver.
  • the conductor is tensioned at 15% of its rated breaking load.
  • a carriage is installed on this conductor comprising three pulleys placed in a vertical plane and whose axes are placed in the same horizontal plane. The distance between the end pulleys is 3200 mm ⁇ 600 mm.
  • the carriage makes three movements back and forth, at a horizontal speed ranging from 0.5 to 2 m / s over a length of between 50 and 60 m. Acceleration and braking are smooth.
  • the driver and accessories assembly must hold at least 95% of the rated breaking load of the driver.
  • a single ring 1 is disposed centrally and is coated with a layer of insulating material 2.
  • Conductive son 3 of aluminum or aluminum alloy, here son of Z-shape, are wound in two layers on this rod.
  • a single ring 1 is disposed centrally and is coated with a layer of insulating material 2.
  • Conductive wires 3 made of aluminum or aluminum alloy, here Trap shaped wires, are wound in two layers on this rod.
  • three rods 1A, 1B, 1C are arranged centrally and are each coated with a layer of insulating material 2A, 2B, 2C.
  • Conducting wires 3 made of aluminum or aluminum alloy, here Z-shaped wires, are wound in three layers on these rods.
  • three rods 1A, 1B, 1C are arranged centrally and are coated with a layer of insulating material 2.
  • Conductive wires 3 made of aluminum or aluminum alloy, here Trap shaped wires, are wound in two layers on these rods .
  • three rods 1A, 1B, 1C are arranged centrally and are coated on the one hand with a layer of insulating material 2 and on the other hand each with another layer of insulating material 2A, 2B, 2C.
  • Conducting wires 3 made of aluminum or aluminum alloy, here trap shaped wires, are wound in two layers on these rods.
  • three rods 1A, 1B, 1C are arranged centrally and are each coated with a layer of insulating material 2A, 2B, 2C.
  • Lead wires 3 made of aluminum or aluminum alloy are wound in three layers on these rods, a first layer consisting of round wires 3A, the second layer of Z-shaped wires 3B and a third layer of Trap-shaped wires 3C.
  • the insulating material of the layers 2 is compatible with the operating temperature greater than or equal to 200 ° C and is placed on the rod 1 without subsequent heating.
  • this insulating material is extruded on the rod 1 and consists of a polyether-ether-ketone.
  • this insulating material consists of at least one ribbon of glass fibers.

Description

L'invention concerne un conducteur de transport électrique pour ligne aérienne en haute tension.The invention relates to an electrical transport conductor for high voltage overhead line.

Elle se rapporte plus précisément à un conducteur comportant au moins un jonc composite central constitué de fibres continues et imprégnées par une matrice de résine thermodurcissable et autour duquel sont disposés des fils conducteurs en aluminium ou en alliage d'aluminium.It relates more specifically to a conductor comprising at least one central composite rod consisting of continuous fibers impregnated with a thermosetting resin matrix and around which are arranged conductive son of aluminum or aluminum alloy.

Un tel conducteur est décrit dans le document de brevet JP 03-129606 .Such a driver is described in the patent document JP 03-129606 .

Selon ce document de l'art antérieur, le jonc composite est constitué de fibres organiques ou minérales, par exemple d'aramide, de carbure de silicium ou de carbone, imprégnées par une résine synthétique, de préférence une résine époxy. Ce jonc peut être revêtu d'une résine polyimide ou enrubannée d'un film polyimide, formant une couche isolante. Des fils conducteurs en aluminium sont enroulés autour d'un tel jonc ou d'un ensemble de tels joncs pour former un conducteur de transport électrique.According to this document of the prior art, the composite rod consists of organic or inorganic fibers, for example aramid, silicon carbide or carbon, impregnated with a synthetic resin, preferably an epoxy resin. This ring can be coated with a polyimide resin or wrapped with a polyimide film, forming an insulating layer. Aluminum conductor wires are wrapped around such a ring or a set of such rods to form an electrical transport conductor.

Le revêtement en polyimide a pour fonction d'éviter les problèmes de corrosion à l'interface entre les fils conducteurs et le jonc comportant des fibres de carbone.The function of the polyimide coating is to avoid corrosion problems at the interface between the conductive wires and the rod comprising carbon fibers.

Que le revêtement de polyimide soit réalisé par enduction ou par rubannage, il est nécessaire après la mise en place de ce revêtement de passer le jonc revêtu dans un four de séchage.Whether the polyimide coating is made by coating or taping, it is necessary after placing the coating to pass the coated rod in a drying oven.

Dans le cas des conducteurs pour lignes aériennes, trois types de température sont à prendre en considération :

  • la température maximale admise en régime permanent,
  • la température maximale admise lors de surcharges de courtes, moyennes ou longues durées,
  • la température maximale admise lors d'un court-circuit.
In the case of overhead line operators, three types of temperature are to be considered:
  • the maximum permissible temperature in steady state,
  • the maximum temperature allowed during overloads of short, medium or long duration,
  • the maximum temperature allowed during a short circuit.

Il peut être recherché de réaliser des conducteurs pour lignes aériennes conçus de telle manière que la température maximale admise soit dans les trois cas précités supérieure ou égale à 200°C, température dite plus loin température de fonctionnement.It may be desirable to provide conductors for overhead lines designed in such a way that the maximum temperature permitted is in the three aforementioned cases greater than or equal to 200 ° C, said temperature further operating temperature.

Afin de former une gaine isolante continue de polyimide autour du jonc, il est nécessaire de chauffer cette couche de polyimide enrubanée ou enduite à une température supérieure à 300°C. Dans ces conditions, la couche isolante ainsi formée est compatible avec un conducteur dont la température de fonctionnement est supérieure ou égale à 200°C.In order to form a continuous polyimide insulating sheath around the rod, it is necessary to heat this layer of polyimide wrapped or coated at a temperature above 300 ° C. Under these conditions, the insulating layer thus formed is compatible with a conductor whose operating temperature is greater than or equal to 200 ° C.

Or une telle température de traitement thermique supérieure à 300°C dégrade la résine époxy du jonc qui se détériore à une température de l'ordre de 250°C.However, such a heat treatment temperature greater than 300 ° C degrades the epoxy resin of the rod which deteriorates at a temperature of the order of 250 ° C.

Il apparaît donc qu'un tel mode de réalisation ne permet pas de réaliser un câble électrique dont la température de fonctionnement peut atteindre 200°C ou plus.It therefore appears that such an embodiment does not make it possible to make an electric cable whose operating temperature can reach 200 ° C. or more.

L'invention résout ce problème et propose un procédé de fabrication d'un conducteur de transport électrique en particulier pour lignes électriques aériennes,dont la température de fonctionnement est supérieure ou égale à 200°C et comportant au moins un jonc composite central constitué de fibres continues et imprégnées par une matrice de résine époxy, ce jonc étant revêtu d'au moins une couche de matière isolante et des fils conducteurs en aluminium ou en alliage d'aluminium étant enroulés autour de ce jonc, caractérisé en ce que ladite matière isolante est compatible avec ladite température de fonctionnement et est mise en place sur ledit jonc sans chauffage ultérieur.The invention solves this problem and proposes a method for manufacturing an electrical transport conductor, in particular for overhead electrical lines, whose operating temperature is greater than or equal to 200 ° C. and comprising at least one central composite rod consisting of fibers continuous and impregnated with an epoxy resin matrix, this rod being coated with at least one layer of insulating material and aluminum or aluminum alloy conductive wires being wound around this rod, characterized in that said insulating material is compatible with said operating temperature and is put in place on said rod without subsequent heating.

Selon un premier mode de réalisation préféré, ladite matière isolante est extrudée sur ledit jonc.According to a first preferred embodiment, said insulating material is extruded on said rod.

De préférence, ladite matière isolante est un poly-éther-éther-cétone.Preferably, said insulating material is a polyether-ether-ketone.

Avantageusement, ladite matière isolante est du poly (oxy-1,4-phénylène-oxy-1,4-phénylène-carbonyle-1,4-phénylène).Advantageously, said insulating material is poly (oxy-1,4-phenyleneoxy-1,4-phenylene-carbonyl-1,4-phenylene).

Selon un second mode de réalisation préféré, ladite matière isolante est constituée d'au moins un ruban posé sur ledit jonc.According to a second preferred embodiment, said insulating material consists of at least one tape placed on said rod.

De préférence, la nature de ladite matière isolante est de la fibre de verre.Preferably, the nature of said insulating material is fiberglass.

L'invention concerne également un conducteur de transport électrique réalisé selon un tel procédé, lesdits fils conducteurs étant enroulés selon au moins une couche recouvrant ledit jonc revêtu de ladite matière isolante.The invention also relates to an electric transport conductor produced according to such a method, said conductive son being wound in at least one layer covering said rod coated with said insulating material.

De préférence, le conducteur comporte plusieurs joncs composites dont au moins un est revêtu d'une dite couche de matière isolante.Preferably, the conductor comprises a plurality of composite rods, at least one of which is coated with a said layer of insulating material.

Il peut également comporter plusieurs joncs composites contenus dans une dite couche de matière isolante.It may also comprise a plurality of composite rods contained in a said layer of insulating material.

Lesdits fils conducteurs peuvent être de forme ronde, de forme Trap ou de forme Z.Said conductive threads can be of round shape, Trap shape or Z shape.

Lesdites fibres sont, de préférence, en carbone.Said fibers are preferably made of carbon.

L'invention est décrite ci-après plus en détail à l'aide de figures ne représentant que des modes de réalisation préférés de l'invention.The invention is described below in more detail with the aid of figures representing only preferred embodiments of the invention.

Ces figures 1 à 6 sont des vues en coupe transversale de conducteurs de transport électrique, conformes à l'invention.These Figures 1 to 6 are cross-sectional views of electric transport conductors according to the invention.

Sur ces figures, est représenté un conducteur de transport électrique en particulier pour lignes électriques aériennes, dont la température de fonctionnement est supérieure ou égale à 200°C. Il comporte au moins un jonc composite central 1 constitué de fibres, de préférence des filaments continus de fibres de carbone, imprégnées par une matrice de résine thermodurcissable, de préférence d'époxy, ce jonc étant revêtu d'une couche de matière isolante 2 et par des fils conducteurs en aluminium ou en alliage d'aluminium 3 étant enroulés autour de ce jonc.In these figures, there is shown an electrical transport conductor in particular for overhead power lines, whose operating temperature is greater than or equal to 200 ° C. It comprises at least one central composite rod 1 consisting of fibers, preferably continuous filaments of carbon fibers, impregnated with a matrix of thermosetting resin, preferably epoxy resin, this rod being coated with a layer of insulating material 2 and by son son aluminum or aluminum alloy 3 being wrapped around this rod.

Par un procédé de pultrusion, les fibres continues sont imprégnées de résine puis le jonc formé est soumis à un traitement thermique par élévation continue de température.By a pultrusion process, the continuous fibers are impregnated with resin and then the rod formed is subjected to a heat treatment by continuous elevation of temperature.

Un tel jonc de renforcement mécanique a pour avantage d'avoir un poids spécifique faible et d'accepter des contraintes mécaniques importantes.Such a ring of mechanical reinforcement has the advantage of having a low specific weight and to accept significant mechanical stresses.

Le jonc constitué d'une pluralité de filaments continus en fibres de carbone assemblés et imprégnées par une résine époxy est tel que :

  • sa contrainte mécanique à la rupture est supérieure ou égale à 2,6 G Pa,
  • son allongement à la rupture est supérieure à 2 %,
  • son module d'élasticité est supérieur à 90 G Pa,
  • son coefficient de dilatation linéaire est inférieur à 2 10-6 / °C,
  • son poids spécifique est inférieur à 2 kg/dm3,
  • son taux en poids de fibres de carbone est supérieur à70 %,
  • après vieillissement pendant 30 jours à la température de fonctionnement de 200 °C, sa contrainte mécanique à la rupture est supérieure ou égale à 2,6 G Pa et cela dans les deux cas suivants : jonc sous charge mécanique de 25 % de sa contrainte mécanique initiale et jonc sans charge mécanique,
  • après enroulement de 180 ° sur un diamètre maximal de 120 fois le diamètre du jonc et ensuite soumis trois fois consécutivement à une charge mécanique de 25 % de sa charge de rupture initiale, le jonc présente une contrainte mécanique à la rupture supérieure ou égale à 2,6 G Pa.
The ring consisting of a plurality of carbon fiber continuous filaments assembled and impregnated with an epoxy resin is such that:
  • its mechanical stress at break is greater than or equal to 2.6 G Pa,
  • its elongation at break is greater than 2%,
  • its modulus of elasticity is greater than 90 G Pa,
  • its linear expansion coefficient is less than 2 10 -6 / ° C,
  • its specific weight is less than 2 kg / dm 3 ,
  • its weight ratio of carbon fibers is greater than 70%,
  • after aging for 30 days at the operating temperature of 200 ° C, its mechanical stress at break is greater than or equal to 2.6 G Pa and this in the following two cases: rod under mechanical load of 25% of its mechanical stress initial and ring without mechanical load,
  • after winding 180 ° over a maximum diameter of 120 times the diameter of the rod and then subjected three times consecutively to a mechanical load of 25% of its initial breaking load, the rod has a mechanical stress at break greater than or equal to 2 , 6 G Pa.

Le nombre de joncs composites utilisé pour un conducteur est tel que celui-ci passe un essai de flexions alternées destiné à démontrer que les contraintes présentes lors d'un déroulage sous tension mécanique dans les poulies n'affectent pas ou ne dégrade pas les performances du conducteur.The number of composite rods used for a conductor is such that the latter passes an alternating bending test intended to demonstrate that the stresses present during unwinding under mechanical tension in the pulleys do not affect or degrade the performance of the driver.

Le conducteur est tendu à 15 % de sa charge de rupture nominale. On installe sur ce conducteur un chariot comportant trois poulies placées dans un plan vertical et dont les axes sont placés dans un même plan horizontal. L'entraxe entre les poulies extrêmes est de 3200 mm ± 600 mm.The conductor is tensioned at 15% of its rated breaking load. A carriage is installed on this conductor comprising three pulleys placed in a vertical plane and whose axes are placed in the same horizontal plane. The distance between the end pulleys is 3200 mm ± 600 mm.

Les poulies sont du même type que celles utilisées lors du déroulage des conducteurs classiques sur les lignes aériennes (fond de gorge garni de néoprène) : Diamètre de la poulie en fond de gorge (mm) Diamètre du conducteur (mm) 800 = 38 1000 > 38 The pulleys are of the same type as those used during the unwinding of conventional conductors on the overhead lines (bottom of throat trimmed with neoprene): Diameter of the pulley at the bottom of the groove (mm) Diameter of the conductor (mm) 800 = 38 1000 > 38

Le chariot effectue trois mouvements de va et vient, à une vitesse horizontale allant de 0,5 à 2 m/s sur une longueur comprise entre 50 et 60 m. Les accélérations et les freinages se font sans à-coup.The carriage makes three movements back and forth, at a horizontal speed ranging from 0.5 to 2 m / s over a length of between 50 and 60 m. Acceleration and braking are smooth.

L'ensemble conducteur et accessoires doit tenir au moins 95 % de la charge de rupture nominale du conducteur.The driver and accessories assembly must hold at least 95% of the rated breaking load of the driver.

Selon la figure 1, une seul jonc 1 est disposé centralement et est revêtu d'une couche de matière isolante 2. Des fils conducteurs 3 en aluminium ou alliage d'aluminium, ici des fils de forme Z, sont enroulés selon deux couches sur ce jonc.According to figure 1 , a single ring 1 is disposed centrally and is coated with a layer of insulating material 2. Conductive son 3 of aluminum or aluminum alloy, here son of Z-shape, are wound in two layers on this rod.

Selon la figure 2, une seul jonc 1 est disposé centralement et est revêtu d'une couche de matière isolante 2. Des fils conducteurs 3 en aluminium ou alliage d'aluminium, ici des fils de forme Trap, sont enroulés selon deux couches sur ce jonc.According to figure 2 a single ring 1 is disposed centrally and is coated with a layer of insulating material 2. Conductive wires 3 made of aluminum or aluminum alloy, here Trap shaped wires, are wound in two layers on this rod.

Selon la figure 3, trois joncs 1A, 1B, 1C sont disposés centralement et sont chacun revêtus d'une couche de matière isolante 2A, 2B, 2C. Des fils conducteurs 3 en aluminium ou alliage d'aluminium, ici des fils de forme Z, sont enroulés selon trois couches sur ces joncs.According to figure 3 , three rods 1A, 1B, 1C are arranged centrally and are each coated with a layer of insulating material 2A, 2B, 2C. Conducting wires 3 made of aluminum or aluminum alloy, here Z-shaped wires, are wound in three layers on these rods.

Selon la figure 4, trois joncs 1A, 1B, 1C sont disposés centralement et sont revêtus d'une couche de matière isolante 2. Des fils conducteurs 3 en aluminium ou alliage d'aluminium, ici des fils de forme Trap, sont enroulés selon deux couches sur ces joncs.According to figure 4 , three rods 1A, 1B, 1C are arranged centrally and are coated with a layer of insulating material 2. Conductive wires 3 made of aluminum or aluminum alloy, here Trap shaped wires, are wound in two layers on these rods .

Selon la figure 5, trois joncs 1A, 1B, 1C sont disposés centralement et sont revêtus d'une part d'une couche de matière isolante 2 et d'autre part chacun d'une autre couche de matière isolante 2A, 2B, 2C. Des fils conducteurs 3 en aluminium ou alliage d'aluminium, ici des fils de forme Trap, sont enroulés selon deux couches sur ces joncs.According to figure 5 , three rods 1A, 1B, 1C are arranged centrally and are coated on the one hand with a layer of insulating material 2 and on the other hand each with another layer of insulating material 2A, 2B, 2C. Conducting wires 3 made of aluminum or aluminum alloy, here trap shaped wires, are wound in two layers on these rods.

Selon la figure 6, trois joncs 1A, 1B, 1C sont disposés centralement et sont chacun revêtus d'une couche de matière isolante 2A, 2B, 2C. Des fils conducteurs 3 en aluminium ou alliage d'aluminium sont enroulés selon trois couches sur ces joncs, une première couche étant constitué de fils ronds 3A, la deuxième couche de fils de forme Z 3B et une troisième couche de fils de forme Trap 3C.According to figure 6 , three rods 1A, 1B, 1C are arranged centrally and are each coated with a layer of insulating material 2A, 2B, 2C. Lead wires 3 made of aluminum or aluminum alloy are wound in three layers on these rods, a first layer consisting of round wires 3A, the second layer of Z-shaped wires 3B and a third layer of Trap-shaped wires 3C.

Selon l'invention, la matière isolante des couches 2 est compatible avec la température de fonctionnement supérieure ou égale à 200°C et est mise en place sur le jonc 1 sans chauffage ultérieur.According to the invention, the insulating material of the layers 2 is compatible with the operating temperature greater than or equal to 200 ° C and is placed on the rod 1 without subsequent heating.

Selon un premier mode de réalisation, cette matière isolante est extrudée sur le jonc 1 et est constitué d'un poly-éther-éther-cétone.According to a first embodiment, this insulating material is extruded on the rod 1 and consists of a polyether-ether-ketone.

De préférence, il est utilisé du poly (oxy-1,4-phénylène-oxy-1,4-phénylène-carbonyle-1,4-phénylène), commercialisé sous le nom Victrex PEEK.Preferably, poly (oxy-1,4-phenylene-oxy-1,4-phenylene-carbonyl-1,4-phenylene), marketed under the name Victrex PEEK, is used.

Selon un second mode de réalisation, cette matière isolante est constituée d'au moins un ruban de fibres de verre.According to a second embodiment, this insulating material consists of at least one ribbon of glass fibers.

Claims (11)

  1. A method for manufacturing an electric transport conductor in particular for overhead electric lines, the operating temperature of which is greater than or equal to 200°C and including at least one central composite ring (1) consisting of continuous fibers impregnated with an epoxy resin matrix, this ring being coated with at least one layer of insulating material (2) and of conducting wires in aluminium or in an aluminium alloy (3) being wound around this ring, characterized in that said insulating material is compatible with said operating temperature cable and is set into place on said ring (1) without any subsequent heating.
  2. The method according to the preceding claim, characterized in that said insulating material is extruded on said ring.
  3. The method according to the preceding claim, characterized in that said insulating material is a polyether-ether-ketone.
  4. The method according to the preceding claim, characterized in that said insulating material is poly(oxy-1,4-phenylene-oxy-1,4-phenylene-carbonyl-1,4-phenylene).
  5. The method according to claim 1, characterized in that said insulating material consists of at least one tape laid on said ring (1).
  6. The method according to the preceding claim, characterized in that the nature of said insulating material is glass fiber.
  7. A conductor made in accordance with the method according to one of the preceding claims, characterized in that said conducting wires (3) are wound the according to at least one layer covering said ring (1) coated with said insulating material.
  8. The conductor according to the preceding claim, characterized in that it includes several composite rings (1A, 1B, 1C), at least one of them is coated with a so-called layer of insulating material (2A, 2B, 2C).
  9. The conductor according to claim 7 or 8, characterized in that it includes a several composite rings (1A, 1B, 1C), contained in a so-called layer of insulating material (2).
  10. The conductor according to one of claims 7 to 9, characterized in that said conducting wires (3) are wires with a round shape, a trap shape or a Z shape.
  11. The conductor according to one of claims 7 to 10, characterized in that said fibers are in carbon.
EP20070300754 2006-02-01 2007-01-31 Electrical transport conductor for overhead line Not-in-force EP1816654B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0650354A FR2896911B1 (en) 2006-02-01 2006-02-01 ELECTRICAL TRANSPORT CONDUCTOR FOR AERIAL LINE

Publications (3)

Publication Number Publication Date
EP1816654A2 EP1816654A2 (en) 2007-08-08
EP1816654A3 EP1816654A3 (en) 2014-04-30
EP1816654B1 true EP1816654B1 (en) 2015-04-29

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Application Number Title Priority Date Filing Date
EP20070300754 Not-in-force EP1816654B1 (en) 2006-02-01 2007-01-31 Electrical transport conductor for overhead line

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US (1) US20070193767A1 (en)
EP (1) EP1816654B1 (en)
KR (1) KR20070079320A (en)
AU (1) AU2007200369B2 (en)
BR (1) BRPI0700216A (en)
CA (1) CA2575625C (en)
FR (1) FR2896911B1 (en)

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Also Published As

Publication number Publication date
FR2896911B1 (en) 2008-03-21
EP1816654A3 (en) 2014-04-30
AU2007200369A1 (en) 2007-08-16
KR20070079320A (en) 2007-08-06
CA2575625A1 (en) 2007-08-01
EP1816654A2 (en) 2007-08-08
US20070193767A1 (en) 2007-08-23
AU2007200369B2 (en) 2013-01-24
CA2575625C (en) 2015-04-07
FR2896911A1 (en) 2007-08-03
BRPI0700216A (en) 2007-11-06

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