EP2360700A1 - Conducteur électrique, notamment un câble d'énergie haute tension ou câble haute fréquence doté d'une grande section conductrice - Google Patents

Conducteur électrique, notamment un câble d'énergie haute tension ou câble haute fréquence doté d'une grande section conductrice Download PDF

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Publication number
EP2360700A1
EP2360700A1 EP10000958A EP10000958A EP2360700A1 EP 2360700 A1 EP2360700 A1 EP 2360700A1 EP 10000958 A EP10000958 A EP 10000958A EP 10000958 A EP10000958 A EP 10000958A EP 2360700 A1 EP2360700 A1 EP 2360700A1
Authority
EP
European Patent Office
Prior art keywords
section
conductor
strands
cross
outside
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.)
Withdrawn
Application number
EP10000958A
Other languages
German (de)
English (en)
Inventor
Jörg Waskönig
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.)
Waskonig+walter Hochspannungskabel & Co KG GmbH
Original Assignee
Waskonig+walter Hochspannungskabel & Co KG 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 Waskonig+walter Hochspannungskabel & Co KG GmbH filed Critical Waskonig+walter Hochspannungskabel & Co KG GmbH
Priority to EP10000958A priority Critical patent/EP2360700A1/fr
Publication of EP2360700A1 publication Critical patent/EP2360700A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/30—Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying alternating current, e.g. due to skin effect
    • H01B7/306—Transposed conductors
    • 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
    • H01B13/02—Stranding-up
    • H01B13/0278—Stranding machines comprising a transposing mechanism

Definitions

  • the invention relates to an electrical conductor, in particular a high-voltage power cable or high-frequency cable with a large conductor cross-section, and with a selected number of wires composed of individual wires, which are insulated from each other and are arranged in layers around the conductor center.
  • Millikenleiter which consists of several segments, which are isolated from each other and stranded around a support member, a central conductor located in the middle, each segment consists of several layers of mutually insulated wires.
  • the invention has for its object to find a ladder training, with which the skin effect is further reduced, as is the case with the Millikenleiter.
  • the reduction of the skin effect achieved with the conductor construction according to the invention has the overall advantage that a larger current can flow with the same conductor cross-section and, vice versa, the conductor cross-section can be chosen smaller for a given current, which then leads to cost savings in conductor material, in particular copper , leads or leads to lower AC resistances and thereby to lower operating losses of the entire cable system.
  • the conductor structure according to the invention has a high current carrying capacity. For example, for a 2,500 mm 2 cable, it is up to 23% higher than the current carrying capacity of a normal conductor.
  • FIG. 1 and 2 In the execution according to Fig. 1 and 2 is a copper conductor with 1200 mm 2 shown. This nominal cross-section is distributed over 37 equal strands, each of which is composed of individual wires.
  • the strands are individually wrapped, for example, with a thin film or folded and thus insulated.
  • the strands are removed during the production of individual processes and fed to a stranding machine. While the stranding machine provides for feed and rotation, the operations continuously change their position.
  • the strands change over selected equal lengths of the conductor along a predetermined position track their position position continuously such that each strand takes each possible position in the ladder once each. That is in the FIGS. 1 to 4 illustrates, in which the 37 or 61 strands of a conductor are shown schematically as examples.
  • the position changes of the strands thereby first pass through the layers of the strands in one Section of the conductor cross-section progresses from inside to outside from layer to layer in alternating directions and subsequently the layers pass through the layers of strands in the other section of the conductor cross-section in changing directions from outside to inside progressively into the conductor center (from 2 to 1).
  • the change of position takes place evenly on the lowest layer of the first section of the conductor cross-section, whereby another same position track run begins.
  • FIGS. 3a and 3b show an embodiment according to the uniform method accordingly FIGS. 1a and 1b , represented on a conductor with 4 layers and 61 strands.
  • FIGS. 4a and 4b show an embodiment according to the abrupt method accordingly FIGS. 2a and 2b , represented on a conductor with 4 layers and 61 strands.
  • FIG. 5 For example, a complete equipment of the conductor is shown as a cable. With 1 of the split in the manner described above in strands conductor is referred to. With 2 an applied conductor smoothing is designated. The insulation is designated 3. 4 is a field smoothing and 5 is a winding formed from a swellable nonwoven. 6 is a made of bare copper wires Umbrella. 7 is again a winding of swellable nonwoven. An aluminum sheet metal strip is designated 8. 9 and 10 are sheath formations of the cable.

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  • Insulated Conductors (AREA)
EP10000958A 2010-01-30 2010-01-30 Conducteur électrique, notamment un câble d'énergie haute tension ou câble haute fréquence doté d'une grande section conductrice Withdrawn EP2360700A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10000958A EP2360700A1 (fr) 2010-01-30 2010-01-30 Conducteur électrique, notamment un câble d'énergie haute tension ou câble haute fréquence doté d'une grande section conductrice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10000958A EP2360700A1 (fr) 2010-01-30 2010-01-30 Conducteur électrique, notamment un câble d'énergie haute tension ou câble haute fréquence doté d'une grande section conductrice

Publications (1)

Publication Number Publication Date
EP2360700A1 true EP2360700A1 (fr) 2011-08-24

Family

ID=42153887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10000958A Withdrawn EP2360700A1 (fr) 2010-01-30 2010-01-30 Conducteur électrique, notamment un câble d'énergie haute tension ou câble haute fréquence doté d'une grande section conductrice

Country Status (1)

Country Link
EP (1) EP2360700A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB415294A (en) * 1933-04-18 1934-08-23 Humphreys Milliken Improvements in electric cables
US2412196A (en) * 1942-10-24 1946-12-10 Bell Telephone Labor Inc Method of and apparatus for producing stranded cables
JPH08148038A (ja) * 1994-11-17 1996-06-07 Furukawa Electric Co Ltd:The ケーブル導体
JP2008262712A (ja) * 2007-03-20 2008-10-30 Yazaki Corp 高周波用電線、それを備えたワイヤハーネス、高周波用電線の製造方法、および高周波用電線を製造するための製造装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB415294A (en) * 1933-04-18 1934-08-23 Humphreys Milliken Improvements in electric cables
US2412196A (en) * 1942-10-24 1946-12-10 Bell Telephone Labor Inc Method of and apparatus for producing stranded cables
JPH08148038A (ja) * 1994-11-17 1996-06-07 Furukawa Electric Co Ltd:The ケーブル導体
JP2008262712A (ja) * 2007-03-20 2008-10-30 Yazaki Corp 高周波用電線、それを備えたワイヤハーネス、高周波用電線の製造方法、および高周波用電線を製造するための製造装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 199633, Derwent World Patents Index; AN 1996-326380, XP002582578 *
NEW ENGLAND WIRE TECHNOLOGIES: "Litz Wire Types & Construction", 2005, XP002582579, Retrieved from the Internet <URL:http://www.newenglandwire.com/catalog/page129-litz-winding_wires-litz_wire_types-type_1-type_2-type_3-type_4-type_5-type_6-type_7-type_8.htm> [retrieved on 20100517] *

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