EP1060485B1 - Conducteur multiple a ames paralleles - Google Patents

Conducteur multiple a ames paralleles Download PDF

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Publication number
EP1060485B1
EP1060485B1 EP99900823A EP99900823A EP1060485B1 EP 1060485 B1 EP1060485 B1 EP 1060485B1 EP 99900823 A EP99900823 A EP 99900823A EP 99900823 A EP99900823 A EP 99900823A EP 1060485 B1 EP1060485 B1 EP 1060485B1
Authority
EP
European Patent Office
Prior art keywords
multiple parallel
conductor
insulating material
bundle
protective insulating
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.)
Expired - Lifetime
Application number
EP99900823A
Other languages
German (de)
English (en)
Other versions
EP1060485A1 (fr
Inventor
Johann Ponweiser
Gernot Schnaubelt
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.)
ASTA Elektrodraht GmbH
Original Assignee
ASTA Elektrodraht 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 ASTA Elektrodraht GmbH filed Critical ASTA Elektrodraht GmbH
Publication of EP1060485A1 publication Critical patent/EP1060485A1/fr
Application granted granted Critical
Publication of EP1060485B1 publication Critical patent/EP1060485B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/323—Insulation between winding turns, between winding layers

Definitions

  • the present invention relates to a multiple parallel conductor for an electrical Machine, in particular for a transformer, consisting of a plurality of neighboring, preferably insulated, partial conductors, which form a bundle are summarized, and a method for producing such Multiple parallel conductors. Furthermore, the present invention relates to a winding for a electrical machine, in particular a transformer with a top and a Undervoltage winding, consisting of at least one multiple parallel conductor Above type, with successive turns of the multiple parallel conductor or parallel parallel multiple parallel and axially and / or radially adjacent are arranged.
  • Multiple parallel conductors are included to improve the cooling of electrical conductors a grid-shaped wrap known.
  • a multiple parallel conductor consisting of a plurality of partial conductors or twisted conductors described, which with a large-mesh woven ribbon or mesh ribbon made of polyester or a glass silk / polyester mixture is banded, which has a mesh size of at least 2 mm.
  • the multiple parallel conductor and / or the woven or lattice band is still impregnated with a partially cross-linked epoxy resin. With such a woven ribbon one can stable compact conductor are produced, in which the partial conductor directly with the Coolant in contact.
  • an electrical conductor is known from US Pat. No. 3,098,113, which completely coexists with an oil-impregnable main insulation and a liquid-impermeable Partial insulation is surrounded to allow oil impregnation, but a To prevent water from entering at least partially.
  • the liquid impermeable Partial insulation is in turn provided with an oil-impregnable covering.
  • This task is based on the multiple parallel ladder mentioned above solved according to the invention in that over the outer surfaces of the partial conductor bundle Flat protective insulation is provided, which has at least one surface section of the partial conductor bundle and at least one further surface section of the Partial conductor bundle is not covered, the surface sections, based on the Longitudinal direction of the multiple parallel conductor, are arranged side by side, and that a lattice-shaped covering, e.g. a grid tape, a thread winding or the like. is provided.
  • a lattice-shaped covering e.g. a grid tape, a thread winding or the like.
  • the side surfaces with a flat protective insulation stand together in direct contact.
  • the protective insulation comprises one or more side surfaces and that of this side surface or edge regions of the neighboring ones facing these side surfaces, not with side surfaces provided with protective insulation and possibly the edge areas between adjacent side surfaces provided with protective insulation. So that's a increased protection of the conductor in the area of the edges possible, so that the electrical Dielectric strength can be further increased.
  • the Protective insulation preferably at least two adjacent side surfaces of the Multiple parallel conductor to provide all-round protection of the multiple parallel conductor enable.
  • the flat protective insulation is preferably a paper insulation, which due to its good insulation properties and low space consumption for the purposes of present invention is extremely suitable.
  • FIG. 1 in which a multiple parallel conductor 1 for an electrical machine using the example of a cable for Undervoltage winding of a transformer is shown.
  • the multiple parallel ladder has a number of partial conductors 2, z. B. flat copper conductor with a rectangular Cross section on.
  • Each partial conductor 2 is provided with insulation 3, in the present case with a varnish coating Mistake.
  • the individual partial conductors 2 in the desired number and orientation combined into a sub-conductor bundle.
  • the top of the partial conductor bundle Protective insulation 4 there is a on the top of the partial conductor bundle Protective insulation 4 arranged, which covers the entire top and this top facing edge areas of the side surfaces covered.
  • the side surfaces and the The underside of the partial conductor bundle remain without protective insulation.
  • material for the Protective insulation is oil-impregnable insulating material, preferably paper, in the required quality and thickness selected.
  • the arrangement of the partial conductor bundle with the protective insulation is to achieve the required stability wrapped with a large-mesh grid tape 5. Further Information regarding the grid belt 5 can be given at the beginning international application WO95 / 30991 are taken from the applicant, which is expressly to be regarded as part of the present disclosure.
  • Figures 2 and 3 are further embodiments for the invention Multiple parallel conductor using a wire conductor for the undervoltage or Medium voltage winding of a transformer shown.
  • a wire conductor for the undervoltage or Medium voltage winding of a transformer shown.
  • the protective insulation 4 is on one Side surface and a portion of this top surface facing this side surface arranged, this protective insulation preferably also over the adjacent Extends edge areas. The remaining section of the top, bottom, and opposite side surface are without protective insulation.
  • Figure 3 extends the protective insulation 4 over one side surface and the entire Top of the multiple parallel conductor 1, again preferably the adjacent ones Edge areas are included. The opposite side and the bottom remain without protective insulation.
  • the arrangement of the protective insulation according to the exemplary embodiments described above is not restrictive.
  • Protective insulation can be used in the context of the present invention can be arranged at any point and over any surface section extend. In the context of the present invention it is only provided that the Protective insulation over at least one surface section (side surface, top side, Underside) extends and leaves at least one surface section free.
  • two or more protective insulations can also be used be provided, for example diametrically opposite or to each other can be arranged adjacent.
  • Windings are the side surfaces of two or more that are in contact with each other Multiple parallel conductor 1 each with protective insulation 4 to the electrical To increase the dielectric strength of the winding further.
  • the multiple parallel conductors can be used instead the axial direction, even in a radial direction offset by 90 ° be arranged side by side.
  • the protective insulation is on the vertical boundary surfaces between the individual turns of the radial winding arranged.
  • Winding is only a part of the side surfaces of two or two that are in contact with each other several multiple parallel conductors with a flat protective insulation 4.
  • a winding 6 is shown for a transformer, which by a so-called drill conductor trained multiple parallel conductor 7 is made of a large number of partial conductors 2.
  • the multiple parallel conductors 7 designed according to the invention are arranged such that at least on one of the horizontal boundary surfaces over which the individual Turns are in direct contact with each other, at least one Multiple parallel conductor 7 is provided with protective insulation 4.
  • Such multiple parallel conductors 7, which are connected to neighboring ones Windings are not in direct contact, likewise with protective insulation 4 according to of the present invention be equipped to the mechanical stability and the to increase the dielectric strength of the multiple parallel conductor.
  • Such a Multiple parallel conductor is shown in Figure 5 above.
  • multiple parallel conductors can also be used both in radial as well as in the axial direction are involved, for. B. in groups of four (Fig. 4a, 4b).
  • an L-shaped protective insulation is preferably provided (see also Fig. 3), which extends both horizontally and vertically Side surface of each multiple parallel conductor extends.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulating Of Coils (AREA)
  • Programmable Controllers (AREA)
  • Installation Of Bus-Bars (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Insulated Conductors (AREA)

Claims (11)

  1. Conducteur multiple à âmes parallèles (1) pour une machine électrique, en particulier pour un transformateur, constitué d'une pluralité de conducteurs élémentaires (2) voisins, de préférence isolés les uns des autres, regroupés en un faisceau, caractérisé en ce que sur les surfaces extérieures du faisceau de conducteur élémentaire est prévue une isolation protectrice (4) plate, qui couvre au moins un tronçon de surface du faisceau de conducteurs élémentaires et ne recouvre pas au moins un autre tronçon de surface du faisceau de conducteurs élémentaires, les tronçons de surface en se référant à la direction longitudinale du conducteur multiple à âmes parallèles étant disposés les uns à côté des autres, et en ce que, au-dessus, au moins par tronçon, est prévu un gainage (5) en forme de grille par exemple une bande à filet en grille, un guipage en fil ou analogue.
  2. Conducteur multiple à âmes parallèles selon la revendication 1, caractérisé en ce que l'isolation protectrice (4) plate entoure une ou plusieurs faces latérales du faisceau de conducteurs élémentaires et les zones d'arête, tournées vers cette face latérale ou ces faces latérales, des faces latérales voisines, non munies d'une isolation protectrice et, le cas échéant, les zones d'arête situées entre des faces latérales voisines, munies d'une isolation protectrice.
  3. Conducteur multiple à âmes parallèles selon l'une des revendications 1 ou 2, caractérisé en ce que l'isolation protectrice (4) recouvre deux faces latérales voisines du faisceau de conducteurs élémentaires.
  4. Conducteur multiple à âmes parallèles selon la revendication 1, caractérisé en ce que l'isolation protectrice (4) plate est une substance isolante susceptible d'être imprégnée d'huile, de préférence une isolation en papier.
  5. Conducteur multiple à âmes parallèles selon la revendication 1, caractérisé en ce que les conducteurs élémentaires sont isolés par vernissage.
  6. Procédé de fabrication d'un conducteur à âmes parallèles (1) pour une machine électrique, en particulier un transformateur, des conducteurs élémentaires (2) individuels, de préférence isolés les uns des autres, étant regroupés en un faisceau de conducteurs élémentaires,
    caractérisé en ce que, sur le faisceau de conducteurs élémentaires, est appliqué une isolation protectrice (4) plate, recouvrant au moins une face latérale, cependant pas l'ensemble de la périphérie du faisceau de conducteurs élémentaires, et en ce que le faisceau de conducteurs élémentaires avec l'isolation protectrice sont munis d'un gainage (5) en forme de grille.
  7. Procédé selon la revendication 6, caractérisé en ce que, pour fabriquer l'isolation protectrice (4), est utilisée une substance isolante susceptible d'être imprégnée d'huile, de préférence en papier.
  8. Procédé selon la revendication 6 ou 7, caractérisé en ce que l'isolation protectrice est collée au faisceau de conducteurs élémentaires.
  9. Enroulement pour une machine électrique, en particulier un transformateur, constitué d'au moins un conducteur multiple à âmes parallèles (1,7) selon l'une des revendications 1 à 5, des enroulements successifs du conducteur multiple à âmes parallèles (1,7), ou bien de conducteurs multiples à âmes parallèles enroulés en parallèle, étant disposés de façon axialement et/ou radialement voisine, caractérisé en ce que, parmi les faces latérales, tournées les unes vers les autres, de tronçons d'enroulement voisins du ou des conducteurs multiples à âmes parallèles (1,7), au moins une face latérale est munie d'une isolation protectrice (4) plate.
  10. Enroulement selon la revendication 8, caractérisé en ce que les faces latérales munies d'une isolation protectrice (4) plate sont directement mises en contact ensemble.
  11. Transformateur avec un enroulement de haute tension et un enroulement de basse tension qui est constitué, au moins par tronçons, par un conducteur multiple à âmes parallèles selon l'une des revendications 1 à 6, caractérisé en ce qu'au moins la face supérieure, tournée vers la face limite entre l'enroulement de haute tension et l'enroulement de basse tension, du conducteur multiple à âmes parallèles (1,7) de l'enroulement de basse tension présentent une isolation protectrice plate.
EP99900823A 1998-02-24 1999-01-21 Conducteur multiple a ames paralleles Expired - Lifetime EP1060485B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT32898 1998-02-24
AT0032898A AT406923B (de) 1998-02-24 1998-02-24 Mehrfachparallelleiter für elektrische maschinen und geräte
PCT/AT1999/000014 WO1999044209A1 (fr) 1998-02-24 1999-01-21 Conducteur multiple a ames paralleles

Publications (2)

Publication Number Publication Date
EP1060485A1 EP1060485A1 (fr) 2000-12-20
EP1060485B1 true EP1060485B1 (fr) 2001-10-24

Family

ID=3487669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99900823A Expired - Lifetime EP1060485B1 (fr) 1998-02-24 1999-01-21 Conducteur multiple a ames paralleles

Country Status (6)

Country Link
US (1) US6563413B1 (fr)
EP (1) EP1060485B1 (fr)
AT (2) AT406923B (fr)
CA (1) CA2320773C (fr)
DE (1) DE59900349D1 (fr)
WO (1) WO1999044209A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6724118B2 (en) * 2001-06-13 2004-04-20 Siemens Westinghouse Power Corporation Electrical isolation layer system strand assembly and method of forming for electrical generator
DE102004013416A1 (de) * 2004-03-18 2005-10-06 Nexans Hauptleiter für eine kapazitiv gesteuerte Hochspannungswicklung
JP4996086B2 (ja) * 2005-09-29 2012-08-08 株式会社東芝 マイカテープおよびこのマイカテープを用いた回転電機コイル
US7982133B2 (en) * 2008-08-29 2011-07-19 Pratt & Whitney Canada Corp. Crack controlled resin insulated electrical coil
US8742814B2 (en) 2009-07-15 2014-06-03 Yehuda Binder Sequentially operated modules
US8602833B2 (en) 2009-08-06 2013-12-10 May Patents Ltd. Puzzle with conductive path
NL2005439C2 (en) * 2010-10-01 2012-04-03 Draad Nijmegen B V A multiple parallel conductor for an electrical machine.
US11330714B2 (en) 2011-08-26 2022-05-10 Sphero, Inc. Modular electronic building systems with magnetic interconnections and methods of using the same
US9019718B2 (en) 2011-08-26 2015-04-28 Littlebits Electronics Inc. Modular electronic building systems with magnetic interconnections and methods of using the same
US9597607B2 (en) 2011-08-26 2017-03-21 Littlebits Electronics Inc. Modular electronic building systems with magnetic interconnections and methods of using the same
CN102708949B (zh) * 2012-05-29 2013-09-25 江苏句容联合铜材有限公司 辐、轴向并列三复合导线及其加工方法
DE102015010636A1 (de) * 2015-08-12 2017-02-16 Karlsruher Institut für Technologie Supraleitfähiger Leiter und Verwendung des supraleitfähigen Leiters
US11616844B2 (en) 2019-03-14 2023-03-28 Sphero, Inc. Modular electronic and digital building systems and methods of using the same
EP4086927B1 (fr) * 2021-05-05 2024-03-27 Hitachi Energy Ltd Bobine pour noyau de transformateur

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
DE541636C (de) 1932-01-14 Siemens Schuckertwerke Akt Ges Verfahren zum Einlegen von Z-foermigen Isolationsstreifen zwischen nebeneinanderliegenden elektrischen Leitern von Spulen, insbesondere Drosselspulen
US3098113A (en) * 1959-12-04 1963-07-16 English Electric Co Ltd Oil-immersed electrical apparatus having oil-impregnated main insulation partly covered by liquid-impervious material
US3202558A (en) * 1960-12-23 1965-08-24 Gen Electric Process for insulating an electric coil
GB1103764A (en) 1963-12-17 1968-02-21 Pirelli General Cable Works Improvements in or relating to composite conductors for heavy current windings
US3723797A (en) * 1970-06-05 1973-03-27 Asea Ab Insulated coil for arrangement in a slot in the stator or rotor of an electrical machine
DE3031866A1 (de) * 1980-08-23 1982-04-01 Brown, Boveri & Cie Ag, 6800 Mannheim Leiterstab fuer elektrische maschine
DE3425982A1 (de) * 1984-07-11 1986-01-23 Siemens AG, 1000 Berlin und 8000 München Gitterstab einer elektrischen maschine
JPS63172413A (ja) 1987-01-12 1988-07-16 Mitsubishi Electric Corp コイル導体
JPH04296316A (ja) * 1990-12-18 1992-10-20 General Electric Co <Ge> 耐熱性樹脂組成物、製品及び方法
DE4244298C2 (de) * 1992-12-28 2003-02-27 Alstom Isolierband und Verfahren zu seiner Herstellung
WO1995030991A1 (fr) 1994-05-10 1995-11-16 Asta Elektrodraht Gmbh Conducteur parallele multiple pour enroulements de moteurs et appareils electriques
DE19609260C2 (de) 1996-02-28 2000-05-18 Aeg Schorch Transformatoren Gm Isolationsanordnung für rechteckige Wickeldrähte zur Herstellung von Wicklungen aus Scheibenspulen für Transformatoren und Drosseln
EP0872858A3 (fr) * 1997-04-17 1999-02-24 Alcatel Conducteur parallèle multiple pour enroulements de machines et appareils électriques
US6051793A (en) * 1998-05-22 2000-04-18 Alcatel Multiple parallel conductor featuring conductors partially wrapped with an aramid or other suitable wrapping material

Also Published As

Publication number Publication date
ATA32898A (de) 2000-02-15
ATE207652T1 (de) 2001-11-15
EP1060485A1 (fr) 2000-12-20
WO1999044209A1 (fr) 1999-09-02
AT406923B (de) 2000-10-25
DE59900349D1 (de) 2001-11-29
CA2320773A1 (fr) 1999-09-02
US6563413B1 (en) 2003-05-13
CA2320773C (fr) 2004-08-03

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