EP2419910B1 - Wicklung und herstellungsverfarhen einer wicklung - Google Patents

Wicklung und herstellungsverfarhen einer wicklung Download PDF

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Publication number
EP2419910B1
EP2419910B1 EP09776559.8A EP09776559A EP2419910B1 EP 2419910 B1 EP2419910 B1 EP 2419910B1 EP 09776559 A EP09776559 A EP 09776559A EP 2419910 B1 EP2419910 B1 EP 2419910B1
Authority
EP
European Patent Office
Prior art keywords
winding
support
electrical
electrical conductors
carrier
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
EP09776559.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2419910A1 (de
Inventor
Rudolf Hanov
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.)
Siemens AG
Original Assignee
Siemens AG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41434753&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2419910(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP2419910A1 publication Critical patent/EP2419910A1/de
Application granted granted Critical
Publication of EP2419910B1 publication Critical patent/EP2419910B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01F27/2847—Sheets; Strips
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/061—Winding flat conductive wires or sheets
    • H01F41/063—Winding flat conductive wires or sheets with insulation
    • 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
    • H01F27/2804—Printed windings
    • 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
    • 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
    • H01F27/327—Encapsulating or impregnating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/12—Insulating of windings
    • H01F41/122—Insulating between turns or between winding layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling

Definitions

  • the invention relates to a winding for a transformer with a wound electrical conductor, wherein the electrical conductor has an electrical insulation. Furthermore, the invention relates to a method for producing a winding.
  • a power transformer as a cast-resin transformer or as a distribution transformer for high-voltage networks is a very labor-intensive and cost-intensive process.
  • the winding of the coils for the low and high voltage winding is currently possible only in several and complex steps.
  • partial windings of a wound wire are wound on a winding machine in such a way that the necessary winding diameter is reached.
  • the partial windings produced in this way are connected to one another by means of appropriate connecting elements as an upper or lower voltage winding, such as in the DE 198 09 572 C2 described.
  • DE 260 95 48 C2 a winding arrangement for power transformers with iron core and coils, wherein the conductor dimension in the axial direction corresponds to the coil height and all turns of each coil are connected in series, wherein the number of turns per coil from the center to the end of the winding decrease.
  • a power transformer with choke coil wherein a disk coil includes a plurality of turns, in each of which connected in series sub-conductors lie on one and the same radial plane to the core leg.
  • DE 15 39 623 a device for generating homogeneous magnetic fields with very high field strength.
  • the stray flux in the outer space of the device for generating homogeneous magnetic fields by two groups arranged in parallel by currents of opposite direction through conductors, so that the external magnetic field is practically reduced.
  • the object of the present invention is to provide a winding and a method for producing a winding, which ensures the production of a one-piece coil.
  • At least two electrical conductors are arranged on a carrier, wherein the electrical conductors are insulated from each other and the carrier has a curved shape.
  • the carrier is deformed as a conduction band by deformation by means of a device so that the radius is ensured for the finished winding through the thus deformed carrier tape.
  • the carrier in the form of a cylindrical spiral designed as a helix or helix, and thus a one-piece production of the electrical conductor is ensured.
  • the helical shape as a carrier ensures that the corresponding coil can be produced practically in a continuous process, so that only the different radii of the windings and / or the axial extent of the only mimicking factor in the production of the winding.
  • a carrier element is turned off as a relevant disc, wherein the carrier element can be combined by means of recess and / or connecting elements with other carrier elements to form a carrier. Due to the modular design of the carrier consisting of support elements can be formed as part of the manufacturing process quickly and easily a carrier.
  • the carrier can be divided by a laser treatment in electrically conductive zones as an electrical conductor and in electrically insulating zones as insulation.
  • the support can be divided into electrically conductive zones as an electrical conductor and into electrically insulating zones as insulation by galvanic treatment.
  • recesses are present in the support for introducing electrically conductive materials, in particular carbon nanotubes, wherein the electrically conductive materials define the electrical conductor.
  • electrically conductive materials in particular carbon nanotubes
  • the introduction of electrically conductive materials in previously defined in the support recesses electrical paths can be quickly and easily defined and manufactured.
  • an insulating film is to be introduced between individual segments of the carrier during the manufacturing process.
  • the width and / or vary the cross section of the electrical conductors on the carrier location-dependent By varying the width and / or the cross section of the electrical conductor, electrical stresses, in particular voltage overstress, can be compensated by the structural measures. It is also possible due to the evolution of heat within the winding and / or the carrier to change the number and / or dimensions of the conductors in certain segments of the winding so that a nearly equal thermal load is ensured in the winding. By means of a cross-sectionally fixed conventional electrical conductor this form of technical production is not possible.
  • the electrical conductors are arranged parallel to one another on the carrier.
  • the carrier may consist of an electrically insulating material.
  • a method for producing a winding for a transformer, wherein between at least two electrical conductors are arranged on a carrier, wherein the electrical conductors are insulated from each other and the carrier is bent into a curved shape.
  • the carrier is configured in the form of a cylindrical spiral, wherein the radius of this helical shape thus formed corresponds to the radius of the winding.
  • the Fig. 1 shows a perspective view of the winding 1.
  • the Fig. 1 is on a support 2, an electrical conductor 3a, 3b, 3c, 3d (not shown) and an at least partially electrical insulation 4a, 4b, 4c applied.
  • the carrier 2 has a curved shape which corresponds to the radius of the winding 1.
  • the electrical insulation 4a, 4b, 4c is in the example shown the Fig. 1 ensured by a casting resin sheath 5.
  • corresponding electrical conductors 3a, 3b, 3c, 3d are arranged on the carrier 2 and in a subsequent manufacturing process a corresponding casting resin sheath 5 completely surrounds the carrier 2. Due to the electrical insulation properties of the casting resin sheath 5, the casting resin sheath thus fulfills the function of the electrical insulation 4a, 4b, 4c.
  • the Fig. 2 shows a plan view of the carrier 2 with four electrical conductors 3a, 3b, 3c, 3d. Between the respective electrical conductors 3a, 3b, 3c, 3d, an electrical insulation 4a, 4b, 4c is arranged on the carrier 2. There is either the possibility that the electrical conductor 3a, 3b, 3c, 3d is applied to the support 2 consisting of an insulating material. In this case, the cavities between the conductors 3a, 3b, 3c, 3d are automatically electrically insulated and have corresponding isolation regions 4a, 4b, 4c.
  • the carrier 2 consists of an electrically conductive material and by specific working processes regions between the individual conductors 3a, 3b, 3c, 3d are changed so that they have an electrical insulation property and thus represent an electrical insulation 4a, 4b, 4c.
  • FIG Fig. 3 A plan view of a carrier 2 consisting of two carrier elements 6a, 6b is shown in FIG Fig. 3 shown.
  • the carrier 2 has two electrical conductors 3a, 3b, which are arranged parallel to one another. Between the electrical conductors 3a, 3b, an electrical insulation 4a is arranged.
  • the carrier 2 consists of two carrier elements 6a, 6b, which can be combined to form a carrier by means of corresponding connecting elements 7a, 7b.
  • the connecting elements 7a, 7b has, in particular, such forms, which ensure a simple, firm and permanent connection. In particular, mutually corresponding shapes, such as dovetail joints, are included. Conventional joining techniques, such as screwing or welding, are made possible by means of the aforementioned connecting elements 7a, 7b.
  • a perspective view of a carrier 2 in helical form is in the Fig. 4 shown.
  • a practically infinitely long coil can be designed with this shape of the carrier. This results in the possibility of being able to produce a winding 1 independently of corresponding partial windings, which considerably speeds up the manufacturing process and makes it more cost-effective.
  • the advantage of the method according to the present invention is that a winding 1 for a transformer can be produced as a continuous, one-piece coil. This eliminates the production of individual coils or partial windings, which must be connected only very cumbersome to a winding 1. The necessary electrical connections affect the performance of the corresponding winding 1 negative. Furthermore, radial cooling channels can be omitted, which ensures a relatively smaller winding 1 compared to conventional windings. Furthermore, within the entire winding 1, the possible stress stress between the individual winding segments can be calculated and completely avoided at the points of higher stress loads by corresponding winding-technical measures.
  • the guidance of the electrical conductor 3a, 3b, 3c, 3d on the support and width and / or the cross section of the electrical conductors 3a, 3b, 3c, 3d can thus be selectively changed and thus the voltage stress can be minimized manufacturing technology. This results in the possibility to produce test voltage stronger windings 1 compared to previously known.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Insulating Of Coils (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
EP09776559.8A 2009-04-16 2009-04-16 Wicklung und herstellungsverfarhen einer wicklung Not-in-force EP2419910B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/002976 WO2010118762A1 (de) 2009-04-16 2009-04-16 Wicklung und herstellungsverfarhen einer wicklung

Publications (2)

Publication Number Publication Date
EP2419910A1 EP2419910A1 (de) 2012-02-22
EP2419910B1 true EP2419910B1 (de) 2014-04-16

Family

ID=41434753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09776559.8A Not-in-force EP2419910B1 (de) 2009-04-16 2009-04-16 Wicklung und herstellungsverfarhen einer wicklung

Country Status (9)

Country Link
US (1) US8643458B2 (pt)
EP (1) EP2419910B1 (pt)
JP (1) JP2012524388A (pt)
CN (1) CN102460609B (pt)
BR (1) BRPI0924605A2 (pt)
CA (1) CA2758831C (pt)
MX (1) MX2011010879A (pt)
RU (1) RU2507620C2 (pt)
WO (1) WO2010118762A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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KR101356627B1 (ko) * 2012-05-15 2014-02-04 한국과학기술원 코일권선 및 이의 제조방법
JP5915588B2 (ja) * 2013-05-10 2016-05-11 株式会社豊田自動織機 コイル及びコイルの製造方法
CN104014422B (zh) * 2014-06-05 2016-04-20 鞍山鑫盛矿山自控设备有限公司 一种磁选柱绕组
DE102014212802A1 (de) * 2014-07-02 2016-01-07 Siemens Aktiengesellschaft Magnetisch induktiver Durchflussmesser
US20160035473A1 (en) * 2014-07-29 2016-02-04 Anthony Freakes Electric Coils
US10826297B2 (en) * 2018-11-06 2020-11-03 General Electric Company System and method for wind power generation and transmission in electrical power systems
US20240047125A1 (en) * 2022-08-08 2024-02-08 Eaton Intelligent Power Limited Inductive apparatus with helical coil frame

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Also Published As

Publication number Publication date
RU2507620C2 (ru) 2014-02-20
WO2010118762A1 (de) 2010-10-21
CA2758831A1 (en) 2010-10-21
RU2011146365A (ru) 2013-05-27
BRPI0924605A2 (pt) 2016-03-01
US20120044035A1 (en) 2012-02-23
CN102460609A (zh) 2012-05-16
MX2011010879A (es) 2011-11-02
US8643458B2 (en) 2014-02-04
CN102460609B (zh) 2016-08-17
CA2758831C (en) 2015-06-23
JP2012524388A (ja) 2012-10-11
EP2419910A1 (de) 2012-02-22

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