EP2479299B1 - Rohrförmiges Kupferkabel für Leistungsleitungen - Google Patents

Rohrförmiges Kupferkabel für Leistungsleitungen Download PDF

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Publication number
EP2479299B1
EP2479299B1 EP20110151788 EP11151788A EP2479299B1 EP 2479299 B1 EP2479299 B1 EP 2479299B1 EP 20110151788 EP20110151788 EP 20110151788 EP 11151788 A EP11151788 A EP 11151788A EP 2479299 B1 EP2479299 B1 EP 2479299B1
Authority
EP
European Patent Office
Prior art keywords
copper
power lines
cable
tubular cable
overhead power
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
EP20110151788
Other languages
English (en)
French (fr)
Other versions
EP2479299A1 (de
Inventor
Oriol Guixà Arderiu
Miquel Garcia Zamora
Nuria Ferrer Crusellas
Lluis Riera Fontana
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.)
La Farga Lacambra SA
Original Assignee
La Farga Lacambra 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 La Farga Lacambra SA filed Critical La Farga Lacambra SA
Priority to ES11151788T priority Critical patent/ES2424138T3/es
Priority to EP20110151788 priority patent/EP2479299B1/de
Priority to US13/825,154 priority patent/US20130264093A1/en
Priority to EP12739337.9A priority patent/EP2669900B1/de
Priority to PCT/ES2012/070036 priority patent/WO2012101308A1/es
Publication of EP2479299A1 publication Critical patent/EP2479299A1/de
Application granted granted Critical
Publication of EP2479299B1 publication Critical patent/EP2479299B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • 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
    • H01B1/026—Alloys based on copper

Definitions

  • CATC Copper Alloy Tubular Conductor
  • the present invention relates to a cable formed by a poly-microalloyed copper tube of small diameter, from 6 to 15 mm, and wall thickness varying between 0.8 and 1.5 mm, which is used as the basis on which to braid one or several levels of poly-microalloyed copper wire of a diameter preferably between 1 and 2.5 mm.
  • JP 51117121 discloses an alloy for overhead electric power lines consisting of (by wt.%) 0.5-1.0% Si, 0.1-0.5% Ag and additionally 0.05 - 0.5% of at least one element selected from B and rare earth, rest Cu.
  • the existence of a need to repower overhead lines optimally and efficiently, while reaching solutions for the conflicting parameters, has encouraged providers to focus their innovation activity on seeking for new high-capacity conductors, also considering that the metals used in the construction of the overhead lines should have three main features:
  • CATC Copper Alloy Tubular Conductor
  • the invention consists in the formation of a cable of characterist geometry defined by a poly-microalloyed copper tube of small diameter, from 6 to 15 mm and a wall thickness varying between 0.8 and 1.5 mm, which is used as the basis on which to braid a plurality of poly-microalloyed copper strands of a diameter preferably between 1 and 2.5 mm, in one or several levels.
  • Alloying the tube and the strands that conform it consist of adding multiple chemical elements in concentrations ranging between 0.000 and 0.231 % of atomic weight to the high-purity copper.
  • Said chemical elements include:
  • each one of the aforementioned essential elements is found within the concentration ranges, in % of atomic weight, shown in the following Table I.
  • a preferred, although non-limiting, embodiment of the invention can be observed therein , which consists of an annular conductor section defined by a tube (1) with an exterior diameter D1 and an interior diameter D2 that is used as the basis on which to braid one or several levels of poly-microalloyed copper wires of diameter D3 (2).
  • the conductor thus conformed has an empty cylindrical space of diameter D2 along its entire length.
  • the CATC cable according to the present invention is characterized by having values of Mechanical Resistance (Rm) between 400-600 MPa, an annealing temperature greater than 340oC, an emissivity coefficient of 0.72 and an electrical conductivity of 90-98 IACS.
  • the CATC cable can continue operating to substantially higher temperatures.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Conductive Materials (AREA)
  • Communication Cables (AREA)
  • Non-Insulated Conductors (AREA)

Claims (4)

  1. Kupferrohrkabel für elektrische Hängeleitungen der Art, die für den Transport von Wechsel- oder Gleichstrom verwendet werden, dadurch gekennzeichnet, dass die Legierung der Außenkabel und des Innenrohrs, aus denen es gebildet wird, dadurch entsteht, dass man dem hochreinen Kupfer die nachstehend angegebenen Elemente in einem % beimengt, der jeweils zwischen den nachstehend angegebenen Werten in Atomgewichtsprozent liegt.
    Zn: 0,002-0,010
    Pb: 0,009-0,021
    Sn: 0,016-0,161
    Ni: 0,005-0,043
    As: 0,001-0,002
    Sb: 0,001-0,005
    Ag: 0,002-0,012
    O: 0,040-0,119
    Mn: 0,000-0,231
    Se: 0,000-0,161
  2. Kupferrohrkabel für elektrische Hängeleitungen nach Anspruch 1, dadurch gekennzeichnet, dass es aus einem poly-mikrolegierten Kupferrohr mit geringem Durchmesser zwischen 6 und 15 mm und einer Wandstärke von bevorzugt 0,8 bis 1,5 mm gebildet wird, das die Grundlage für eine Reihe von ein- oder mehrlagig darauf geflochtenen poly-mikrolegierten Kupferkabeln mit einem Durchmesser von vorzugsweise 1 bis 2,5 mm bildet.
  3. Kupferrohrkabel für elektrische Hängeleitungen nach Anspruch 2, dadurch gekennzeichnet, dass sowohl das Rohr wie auch die Kabel von einem Isoliermaterial überzogen sein können.
  4. Kupferrohrkabel für elektrische Hängeleitungen nach den vorhergehenden Ansprüchen, dadurch gekennzeichnet, dass das Innenrohr einen Hohlraum bildet, das die Anordnung von optischen Fasern und/oder anderen Lichtelementen zur Übertragung von Information und/oder einem Stahlseil zur Erhöhung der Zugfestigkeit der Leitung und/oder von zirkulierenden Kühlfluiden (Gase oder Flüssigkeiten) in seinem Inneren ermöglicht.
EP20110151788 2011-01-24 2011-01-24 Rohrförmiges Kupferkabel für Leistungsleitungen Not-in-force EP2479299B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES11151788T ES2424138T3 (es) 2011-01-24 2011-01-24 Cable tubular de cobre para líneas eléctricas
EP20110151788 EP2479299B1 (de) 2011-01-24 2011-01-24 Rohrförmiges Kupferkabel für Leistungsleitungen
US13/825,154 US20130264093A1 (en) 2011-01-24 2012-01-24 Electrical Conductor for Transporting Electrical Energy and Corresponding Production Method
EP12739337.9A EP2669900B1 (de) 2011-01-24 2012-01-24 Elektrischer leiter für den transport elektrischer energie und entsprechendes herstellungsverfahren
PCT/ES2012/070036 WO2012101308A1 (es) 2011-01-24 2012-01-24 Conductor eléctrico para el transporte de energía eléctrica y procedimiento de fabricación correspondiente

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110151788 EP2479299B1 (de) 2011-01-24 2011-01-24 Rohrförmiges Kupferkabel für Leistungsleitungen

Publications (2)

Publication Number Publication Date
EP2479299A1 EP2479299A1 (de) 2012-07-25
EP2479299B1 true EP2479299B1 (de) 2013-05-29

Family

ID=44276071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110151788 Not-in-force EP2479299B1 (de) 2011-01-24 2011-01-24 Rohrförmiges Kupferkabel für Leistungsleitungen

Country Status (2)

Country Link
EP (1) EP2479299B1 (de)
ES (1) ES2424138T3 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0569036B1 (de) * 1992-05-08 1998-03-11 Mitsubishi Materials Corporation Draht für elektrische Bahnstrecke und Verfahren zur Herstellung desselben
DE19530673A1 (de) * 1994-09-15 1996-03-21 Siemens Ag Oberleitungsdraht einer elektrischen Hochgeschwindigkeitsbahnstrecke und Verfahren zu dessen Herstellung
US20050161129A1 (en) * 2003-10-24 2005-07-28 Hitachi Cable, Ltd. Cu alloy material, method of manufacturing Cu alloy conductor using the same, Cu alloy conductor obtained by the method, and cable or trolley wire using the Cu alloy conductor

Also Published As

Publication number Publication date
ES2424138T3 (es) 2013-09-27
EP2479299A1 (de) 2012-07-25

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