EP2922069B1 - Câble aérien - Google Patents

Câble aérien Download PDF

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Publication number
EP2922069B1
EP2922069B1 EP15158548.6A EP15158548A EP2922069B1 EP 2922069 B1 EP2922069 B1 EP 2922069B1 EP 15158548 A EP15158548 A EP 15158548A EP 2922069 B1 EP2922069 B1 EP 2922069B1
Authority
EP
European Patent Office
Prior art keywords
wires
metallic
wire
metallic wires
overhead line
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.)
Active
Application number
EP15158548.6A
Other languages
German (de)
English (en)
Other versions
EP2922069A1 (fr
Inventor
Norbert Hadinger
Oskar Liebhart
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.)
Lumpi Berndorf Draht und Seilwerk GmbH
Original Assignee
Lumpi Berndorf Draht und Seilwerk GmbH
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 Lumpi Berndorf Draht und Seilwerk GmbH filed Critical Lumpi Berndorf Draht und Seilwerk GmbH
Priority to SI201530005A priority Critical patent/SI2922069T1/sl
Publication of EP2922069A1 publication Critical patent/EP2922069A1/fr
Application granted granted Critical
Publication of EP2922069B1 publication Critical patent/EP2922069B1/fr
Active 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

Definitions

  • the invention relates to an overhead line for power transmission lines according to the preamble of claim 1.
  • the overhead line has at least one metallic core wire and a plurality of (wire-wound) wire layers (concentrically) arranged around the core wire.
  • a similar rope which is to lead to the reduction of corona discharges, is in the FR 931 195 described.
  • a plurality of layers of individual wires are arranged, wherein the individual layers are formed either completely from solid wires or completely from hollow wires.
  • WO 88/01 430 A1 a self-supporting overhead line having the features of the preamble of claim 1, comprising a plurality of metallic wires and at least one strain relief of a plurality of strand-like reinforcing fibers, wherein the reinforcing fibers are impregnated with a binder material and form a composite element.
  • the invention has for its object to provide an overhead line for high voltage overhead lines of the type described above, in which not only corona discharges are avoided or reduced, but which moreover simply finished with high stability and easy to install (relocate) leaves.
  • the invention teaches an overhead line for power lines with at least one metallic core wire and a plurality of wire layers arranged around the core wire, wherein at least one outer wire layer as a metallic wire layer consists exclusively of metallic wires and wherein a plurality of the inner wire layers disposed between the core wire and the outer wire layer are mixed wire layers of metallic wires on the one hand and non-metallic wires on the other hand, characterized in that the non-metallic wires are stranded as a placeholder without line function and without Switzerlandkraftüber Spotify.
  • all inner wire layers between an outer metallic wire layer and the metallic core wire are particularly preferably designed as mixed wire layers.
  • z. B. several outer wire layers as metallic wire layers are formed, that is, the outermost wire layer and one or more directly underlying wire layers.
  • the non-metallic wires of the mixed wire layers are formed as plastic wires.
  • the weight can be reduced particularly efficiently if the non-metallic wires are designed as hollow wires, preferably as hollow plastic wires, which can also be referred to as "plastic tubes".
  • Metallic wires means wires that are made of metal.
  • the invention is based on the knowledge, which is first known, that corona discharges can be reduced by increasing the rope diameter.
  • the hollow space of the generally known hollow cables is divided into a plurality of individual cross sections, which are formed by the non-metallic wires, particularly preferably by the hollow wires.
  • These non-metallic wires which are particularly preferably designed as hollow wires and preferably as hollow plastic wires, are used exclusively as a placeholder, they are therefore mitverseilt in the course of production as a placeholder without line function and without tension. It has been found that these placeholders, which are mitverseilt during production, after installation have no effect during operation any more. Apart from the fact that they do not have a line function, they also need not realize any mechanical improvement (traction takeover).
  • the finished stranded overhead line is stable and functional after installation even without these placeholders, so that even the "fate" of the placeholder after installation does not matter.
  • This can also wildcard wires are used, the then rot, so that z. B. degradable plastics can be used.
  • the rope according to the invention can also be easily installed and consequently laid.
  • no special fittings and devices are required for installation and clamping, but laying can be carried out with conventional standard fittings and devices.
  • the core wire as a metallic conductor and on the other hand, the outer wire layer consists of metallic conductors.
  • the layers in between may be formed as a mixed wire layers, with a correspondingly high proportion of placeholder wires, so that increases as much as possible with appropriate transmission power of the cable cross-section. Consequently, according to the invention it is not only important that solid wires and hollow wires are combined with each other, but the combination of the measures described is in the foreground.
  • the metallic core wire ensures a high stability of the rope and the metallic outer layer leads to a high functionality in the application.
  • the metallic wires on the one hand and the non-metallic wires (placeholders) on the other hand alternately arranged side by side, so that in addition to a metallic wire in pairs on both sides non-metallic wires are arranged and vice versa.
  • all the wires of a wire layer have a (substantially) identical outer diameter.
  • all the metallic wires and all non-metallic wires (dummy wires) have a (substantially) identical outer diameter.
  • the rope can be easily manufactured and that the placeholders actually do not have to take over any function after installation.
  • all wire layers are made of wires with substantially identical diameter.
  • the individual layers may each be formed of wires with different diameters, that is, a wire layer with wires of identical diameter can then follow a wire layer with wires with different diameter, the diameter within each wire layer is again preferably identical.
  • the metallic wires are made of aluminum or an aluminum alloy. However, it is also within the scope of the invention to manufacture the metallic wires of other metals or alloys or sinterings.
  • the single FIGURE shows an inventive overhead line in cross section.
  • an overhead line for high voltage overhead lines is shown that in its basic structure has a metallic core wire 1 and a plurality of wire layers 2, 4 arranged concentrically around the core wire.
  • the outer wire layer 2 is made as a metallic wire layer 2 exclusively of metallic wires 3.
  • the arranged between the core wire 1 and the outer wire layer 2 inner wire layers 4 are formed as mixed wire layers 4, each consisting of metallic wires 5 on the one hand and non-metallic wires 6 on the other.
  • the non-metallic wires 6 are formed in the embodiment as plastic hollow wires and thus plastic tubes. They form only placeholders in the course of production and thus lead to an increased cable cross-section with the same transmission power. Important is the fact that the core wire 1 and the outer wire layer 2 consist of metallic wires.
  • all the wires 1, 3, 5, 6 are formed with identical outer diameter in the illustrated embodiment, that is, the placeholder wires 6 have substantially the same outer diameter, as the conductive wires 1, 3, 5. It comes in particular Measure that the wires of a single (concentric) wire layer and in particular the mixed wire layers each of wires with identical or substantially identical outer diameter, that is, the outer diameter within a wire layer should be substantially identical. Basically, there is the possibility to combine a plurality of wire layers together, which are each formed of wires with identical outer diameter, but whose outer diameter may vary from layer to layer. Such an embodiment is not shown.

Landscapes

  • Non-Insulated Conductors (AREA)
  • Communication Cables (AREA)
  • Ropes Or Cables (AREA)

Claims (6)

  1. Câble aérien pour lignes aériennes à haute tension comprenant
    au moins un fil central (1) métallique et plusieurs couches de fils (2, 4) disposées autour du fil central (1),
    dans lequel au moins la couche de fil extérieure (2) est composée exclusivement de fils métalliques (3) en tant que couche de fil métallique (2) et
    dans lequel plusieurs des couches de fil intérieures (4) disposées entre le fil central (1) et la couche de fil extérieure (2) sont composées respectivement de fils métalliques (5) d'une part et de fils non-métalliques (6) d'autre part, en tant que couches de fil mixtes (4),
    caractérisé en ce que les fils non-métalliques (6) sont câblés ensemble en tant que garde-place sans fonction conductrice et sans absorption de force de traction.
  2. Câble aérien selon la revendication 1, caractérisé en ce que les fils non-métalliques (6) des couches de fil mixtes (4) sont conçues en tant que fils en plastique.
  3. Câble aérien selon la revendication 1 ou 2, caractérisé en ce que les fils non-métalliques (6) sont conçus en tant que fils creux, de préférence en tant que fils creux en plastique.
  4. Câble aérien selon l'une des revendications 1 à 3, caractérisé en ce que dans les couches de fil mixtes (4), les fils métalliques (5) et les fils non-métalliques (6) sont disposés l'un à côté de l'autre par alternance.
  5. Câble aérien selon l'une des revendications 1 à 4, caractérisé en ce que tous les fils métalliques (5) et fils non-métalliques (6) d'une couche intermédiaire (4) présentent un diamètre extérieur identique.
  6. Câble aérien selon l'une des revendications 1 à 5, caractérisé en ce que les fils métalliques sont fabriqués en aluminium ou dans un alliage d'aluminium.
EP15158548.6A 2014-03-17 2015-03-11 Câble aérien Active EP2922069B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201530005A SI2922069T1 (sl) 2014-03-17 2015-03-11 Žica zračnega voda

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014103612.3A DE102014103612A1 (de) 2014-03-17 2014-03-17 Freileitungsseil

Publications (2)

Publication Number Publication Date
EP2922069A1 EP2922069A1 (fr) 2015-09-23
EP2922069B1 true EP2922069B1 (fr) 2016-07-06

Family

ID=52807535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15158548.6A Active EP2922069B1 (fr) 2014-03-17 2015-03-11 Câble aérien

Country Status (8)

Country Link
EP (1) EP2922069B1 (fr)
DE (1) DE102014103612A1 (fr)
DK (1) DK2922069T3 (fr)
ES (1) ES2593532T3 (fr)
HU (1) HUE030492T2 (fr)
PL (1) PL2922069T3 (fr)
PT (1) PT2922069T (fr)
SI (1) SI2922069T1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH86777A (de) 1919-09-29 1920-10-01 Koller Theodor Leiter für Hochspannungsfreileitungen zur Verminderung der Coronawirkung.
US2046978A (en) 1935-06-14 1936-07-07 Phelps Dodge Copper Prod Hollow cable
FR931195A (fr) 1941-12-12 1948-02-16 Trefileries Laminoirs Havre Sa Câble conducteur pour lignes électriques
CH671647A5 (fr) * 1986-08-14 1989-09-15 Kupferdraht Isolierwerk Ag
DE8705548U1 (de) * 1987-04-14 1988-06-23 Felten & Guilleaume Energietechnik AG, 5000 Köln Elektrisches Freileiterseil mit integrierten Lichtwellenleitern
DE4425464A1 (de) * 1994-07-19 1996-01-25 Rheydt Kabelwerk Ag Selbsttragendes elektrisches Luftkabel
DE10065716B4 (de) 2000-12-29 2004-03-04 Berndorf F.A.S. Ges.m.b.H. & Co. KG Freileitungsseil für Hochspannungsfreileitungen

Also Published As

Publication number Publication date
SI2922069T1 (sl) 2016-12-30
HUE030492T2 (en) 2017-05-29
ES2593532T3 (es) 2016-12-09
EP2922069A1 (fr) 2015-09-23
DK2922069T3 (en) 2016-10-03
PL2922069T3 (pl) 2016-12-30
DE102014103612A1 (de) 2015-09-17
PT2922069T (pt) 2016-09-22

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