EP2793237A1 - Stromtransportkabel mit zusammengesetzten Strängen - Google Patents

Stromtransportkabel mit zusammengesetzten Strängen Download PDF

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Publication number
EP2793237A1
EP2793237A1 EP20140155813 EP14155813A EP2793237A1 EP 2793237 A1 EP2793237 A1 EP 2793237A1 EP 20140155813 EP20140155813 EP 20140155813 EP 14155813 A EP14155813 A EP 14155813A EP 2793237 A1 EP2793237 A1 EP 2793237A1
Authority
EP
European Patent Office
Prior art keywords
rods
cable according
metal layer
metal
thickness
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.)
Granted
Application number
EP20140155813
Other languages
English (en)
French (fr)
Other versions
EP2793237B1 (de
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/de
Application granted granted Critical
Publication of EP2793237B1 publication Critical patent/EP2793237B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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

Definitions

  • the invention relates to a cable for the transmission of electricity, in particular air, comprising a set of composite rods.
  • 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.
  • 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.
  • 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.
  • 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 are arranged metal conductor wires, said set of unitary rods being coated with a first metal layer, characterized in that each unit ring is covered with a second metal layer with a thickness of less than 1 mm, said unitary rods having a diameter of between 1 and 10 mm and said first metal layer having a thickness of less than 3 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.
  • 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.
  • Said first metal layer advantageously has a thickness of between 0.7 and 1.5 mm.
  • Said second metal layers preferably have a thickness of between 0.2 mm and 0.5 mm.
  • This figure is a cross-sectional view of a cable according to the invention.
  • 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 1 B 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 less than 3 mm, preferably between 0.7 and 1.5 mm and advantageously substantially equal to 1 mm
  • the second metal layers 5A, 5B have a thickness of less than 1 mm, preferably between 0.2 and 0.5 mm and advantageously substantially equal to 0.3 mm.

Landscapes

  • Non-Insulated Conductors (AREA)
  • Insulated Conductors (AREA)
EP14155813.0A 2013-04-17 2014-02-19 Stromtransportkabel mit zusammengesetzten Strängen Not-in-force EP2793237B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1353462A FR3004847B1 (fr) 2013-04-17 2013-04-17 Cable de transport d'electricite a joncs composites

Publications (2)

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

Family

ID=48856830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14155813.0A Not-in-force EP2793237B1 (de) 2013-04-17 2014-02-19 Stromtransportkabel mit zusammengesetzten Strängen

Country Status (3)

Country Link
EP (1) EP2793237B1 (de)
BR (1) BR102014008298A2 (de)
FR (1) FR3004847B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106205787A (zh) * 2016-08-31 2016-12-07 无锡江南电缆有限公司 一种耐热扩径母线
CN106205786A (zh) * 2016-08-31 2016-12-07 无锡江南电缆有限公司 一种改进加强型耐热扩径母线
CN114068069A (zh) * 2021-11-15 2022-02-18 广州岭南电缆股份有限公司 一种节能导体及其制备方法和制造设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03129606A (ja) * 1989-07-27 1991-06-03 Hitachi Cable Ltd 架空送電線
EP2410534A1 (de) 2010-07-22 2012-01-25 Tratos Cavi S.p.A. Seil für Hochspannungs-Freileitungen, mit hoher thermischer begrenzen und mit 3 Tragseile
WO2012052652A1 (fr) * 2010-10-20 2012-04-26 Nexans Câble de transport d'électricité a jonc central composite

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03129606A (ja) * 1989-07-27 1991-06-03 Hitachi Cable Ltd 架空送電線
EP2410534A1 (de) 2010-07-22 2012-01-25 Tratos Cavi S.p.A. Seil für Hochspannungs-Freileitungen, mit hoher thermischer begrenzen und mit 3 Tragseile
WO2012052652A1 (fr) * 2010-10-20 2012-04-26 Nexans Câble de transport d'électricité a jonc central composite

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106205787A (zh) * 2016-08-31 2016-12-07 无锡江南电缆有限公司 一种耐热扩径母线
CN106205786A (zh) * 2016-08-31 2016-12-07 无锡江南电缆有限公司 一种改进加强型耐热扩径母线
CN114068069A (zh) * 2021-11-15 2022-02-18 广州岭南电缆股份有限公司 一种节能导体及其制备方法和制造设备

Also Published As

Publication number Publication date
EP2793237B1 (de) 2016-04-13
BR102014008298A2 (pt) 2014-12-23
FR3004847B1 (fr) 2016-07-29
FR3004847A1 (fr) 2014-10-24

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