EP2102876B1 - Verfahren zur herstellung einer transformatorspule und eine nach diesem verfahren hergestellten transformatorspule - Google Patents

Verfahren zur herstellung einer transformatorspule und eine nach diesem verfahren hergestellten transformatorspule Download PDF

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Publication number
EP2102876B1
EP2102876B1 EP07856455.6A EP07856455A EP2102876B1 EP 2102876 B1 EP2102876 B1 EP 2102876B1 EP 07856455 A EP07856455 A EP 07856455A EP 2102876 B1 EP2102876 B1 EP 2102876B1
Authority
EP
European Patent Office
Prior art keywords
winding
end wall
layer
sections
wall sections
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
EP07856455.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2102876A1 (de
Inventor
Karl Zillmann
Wolfgang MÖNIG
Benjamin Weber
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.)
ABB AG Germany
Original Assignee
ABB AG Germany
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 ABB AG Germany filed Critical ABB AG Germany
Priority to PL07856455T priority Critical patent/PL2102876T3/pl
Publication of EP2102876A1 publication Critical patent/EP2102876A1/de
Application granted granted Critical
Publication of EP2102876B1 publication Critical patent/EP2102876B1/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
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • 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
    • 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
    • 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
    • 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
    • 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
    • H01F27/2823—Wires
    • H01F27/2828—Construction of conductive connections, of leads
    • 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
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • H01F27/325—Coil bobbins
    • 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
    • H01F41/127—Encapsulating or impregnating
    • 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 method according to the preamble of claim 1 and a transformer coil according to the preamble of claim 4.
  • a transformer coil has a coil tube which is surrounded by a secondary winding and a primary winding, the latter being embedded in a block of insulating material, wherein the windings are produced in the so-called filament winding method.
  • a first insulating layer is wound on the coil tube, which is separated from the secondary winding by means of spacers, on which a first layer of the winding wire is wound.
  • a layer of insulating material is applied, applied to this layer again a layer with Wicklüngsdraht, this layer has two ply sections which extend from the two ends of the inner layer of the winding wire to the inside, that is to each other and at a certain distance from each other end up.
  • the opposite ends of the inner layer are joined to the adjacent ends of the second ply sections. It should be ensured in known winding process that the opposite ends of the second layer sections do not slide over the inner first layer to the outside. This is achieved in that the opposite ends of the winding windings of the second layer portions at an axial distance from the turn ends of the inner layer, so that the connections of the adjacent turn ends each form an acute angle with the annular surface of the inner first layer; the two angles together form a V-shape whose open side is open to the inner first layer.
  • the opposite ends of the third ply portions terminate again at a distance from the adjacent ends of the second ply portions such that the connections of the inner, opposite ends of the second and third ply portions also form an acute angle with each other forming a V-shape whose tip points radially inwards.
  • These third storage sections are followed by e.g. two fourth and fifth layer sections whose lengths are shortened axially compared to the previously wound layers, so that form here the V-shapes.
  • the object of the invention is to provide a method for producing a transformer coil and a transformer coil of the type mentioned, in which the winding space is better utilized.
  • a further advantageous embodiment may be that to form the end wall sections L-shaped angle pieces are provided of metal, one leg of which form the end wall sections and the other leg are arranged parallel to the coil tube and are wrapped in the individual insulating layers. These L-shaped elbows can then be easily removed after curing. The resulting slot-like openings can be closed easily with insulating material, or simply remain open.
  • the angle pieces in such a way that the legs which form the end wall sections extend over the entire end face of the coil;
  • a plurality of L-shaped angle pieces radially spaced, with inner L-shaped angle pieces are wrapped by an inner insulating layer and outer L-shaped brackets of the corresponding outer insulating layer.
  • the angle pieces are formed by providing arcuate tubes which are provided at one end with slots which are bent perpendicular to the arcuate portions, so that the Endwandabitese are formed by the vertically bent leg.
  • wire winding sections are provided in the bobbin, whose interconnected winding ends lie in a respective radial plane, so that all winding sections lie between two radial planes in which simultaneously the mutually associated and interconnected winding ends, wherein connecting pieces are provided, which extend radially
  • the end wall portions may be formed on an insulating tube or coil tube surrounded by the bobbin; it is also possible that L-shaped angle element are provided, the legs of which are perpendicular to each other, wherein one of the legs is held parallel to the winding sections of the insulating layers, whereas the other leg projects radially outward and serves to form the end wall sections.
  • angle elements as arc-shaped angle elements, wherein one of the legs forms an arcuate shape and the other legs are bent as a flap perpendicular to it.
  • the legs for forming the Endwandabitese can cover the entire face; There is also the possibility that a plurality of angle elements are arranged in different radii, so that the legs forming the end wall sections only cover part of the end faces of the coil body.
  • a bobbin 10 which is produced by the process according to the invention, surrounds a coil tube 11, at the ends of which radially adjoining flange-like end wall sections 12, 13, here in the first exemplary embodiment, are integrally formed.
  • a first insulating layer 14 is applied, preferably wound.
  • This insulating layer 14 like all other insulating layers (see below), may contain a fibrous web impregnated with thermosetting plastic.
  • the insulating layer 14 extends to the end wall portions 12,13.
  • a first winding layer 15 is wound, which in the Fig. 1 (as well as in the Fig. 2 ) is drawn as a line.
  • a rectangular winding wire can be used.
  • a winding wire with a rectangular shape could also be used with a circular cross-section.
  • the cross-sectional shape is so far for the invention is not important.
  • the winding wire layer 15 terminates at a certain distance D from the end wall portions 12,13.
  • a second insulating layer 16 is applied, that is wound, again up to the end wall sections 12,13.
  • two winding layer sections 17,18 are wound, the opposite ends lie in the radial plane in which the ends of the first winding layer 15 lie and their opposite ends 19,20 are arranged at a distance D1 from each other.
  • the winding layers 15,17 and 18 are connected to each other with radially extending connecting elements 21, 22, wherein these connecting elements 21,22 lie in the planes in which the ends of the first winding layer 15 lie.
  • a third insulating layer 23 is wound, thereon two third winding sections 24,25 whose lengths are similar to those of the second winding sections 17,18 and with these at their opposite ends by means of radial links similar to those with the reference numerals 21st 22, thereafter a fourth insulating layer (not numbered) and thereon two fourth winding sections 26, 27, another insulating layer and thereon two fifth winding sections 26, 27, and thereon the outer insulating layer.
  • the third winding sections 24, 25 are connected to the fourth winding sections 26, 27 with connecting elements in the radial plane of the ends of the first winding layer 15 and the fourth to the fifth winding sections at the mutually facing ends, the length of the fourth and fifth winding sections is less than the length of the second and third winding sections 17,24; 18.25.
  • a plurality of circumferentially uniformly spaced spacer 30 Within the coil tube 11 are a plurality of circumferentially uniformly spaced spacer 30. Within the spacer 30 are secondary windings 31, which are indicated here only schematically. The space between the Anstandshaltern 30, which are radially aligned and extend over the entire length of the coil tube 11, is flowed through axially by a cooling fluid. The assignment of the secondary windings 31 and the spacers to the Spulerohr 11 are not relevant to the invention.
  • the end wall portions are formed by angle pieces, which in the Fig. 3 are shown in perspective.
  • adapted elbow 35 slots 36,37 are introduced.
  • the tabs 40, 41 and 42 formed between the peripheral ends 38, 39 and the slots 36, 37 are bent radially outward so that the slots 36, 37 become V-shaped.
  • the elbow 35 forms the leg 43 of the elbow, which in the Fig. 4 a total of the reference number 44 has received.
  • the axially extending leg 43 is wrapped with the first insulating layer 16 in the bobbin.
  • the elbows after Fig. 3 cover the entire circumference of the coil tube.
  • the elbows can be removed. Which thereby resulting openings can remain free or sealed with insulating material.
  • Angle pieces cover the radially oriented legs of the entire end faces of the bobbin.
  • the lobes have a radial length which is adapted to the installation point on the bobbin, wherein the lobes of all the angle pieces are each in a radial plane, which here correspond to the Stirnebenen the bobbin.
  • the legs 43 of the outer angle pieces are then enveloped by the corresponding insulating layers.
  • transformer cores 50 are shown in dashed lines, which engage with a leg 51 in the region within the secondary winding 31.
  • this has nothing to do with the invention described here, but merely serves for better understanding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Of Transformers For General Uses (AREA)
EP07856455.6A 2006-12-19 2007-12-07 Verfahren zur herstellung einer transformatorspule und eine nach diesem verfahren hergestellten transformatorspule Not-in-force EP2102876B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07856455T PL2102876T3 (pl) 2006-12-19 2007-12-07 Sposób wytwarzania cewki transformatora i cewka transformatorowa wytworzona tym sposobem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006060567A DE102006060567A1 (de) 2006-12-19 2006-12-19 Verfahren zur Herstellung einer Transformatorspule und eine nach diesem Verfahren hergestellten Transformatorspule
PCT/EP2007/010650 WO2008074409A1 (de) 2006-12-19 2007-12-07 Verfahren zur herstellung einer transformatorspule und eine nach diesem verfahren hergestellten transformatorspule

Publications (2)

Publication Number Publication Date
EP2102876A1 EP2102876A1 (de) 2009-09-23
EP2102876B1 true EP2102876B1 (de) 2013-04-17

Family

ID=39322463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07856455.6A Not-in-force EP2102876B1 (de) 2006-12-19 2007-12-07 Verfahren zur herstellung einer transformatorspule und eine nach diesem verfahren hergestellten transformatorspule

Country Status (10)

Country Link
US (1) US7847665B2 (pt)
EP (1) EP2102876B1 (pt)
KR (1) KR101398029B1 (pt)
CN (1) CN101689422B (pt)
BR (1) BRPI0720381A2 (pt)
DE (1) DE102006060567A1 (pt)
EG (1) EG25706A (pt)
ES (1) ES2406069T3 (pt)
PL (1) PL2102876T3 (pt)
WO (1) WO2008074409A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2474986A1 (de) * 2011-01-05 2012-07-11 ABB Technology AG Transformatorwicklung
CN103247435A (zh) * 2012-02-13 2013-08-14 新华都特种电气股份有限公司 一种缠绕式线圈结构及加工方法
CN112117125B (zh) * 2020-08-27 2022-04-08 江门市蓬江区恒驰新材料有限公司 一种自动化线圈缠胶带设备
CN112331467B (zh) * 2020-11-23 2022-08-16 广东电网有限责任公司广州供电局 一种电抗器抗震设计的方法及装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518941A (en) * 1983-11-16 1985-05-21 Nihon Kohden Corporation Pulse transformer for switching power supplies
US5374810A (en) * 1992-06-05 1994-12-20 Gantt; Jackie L. Induction heating transformer and method of winding same
US5404123A (en) * 1993-03-01 1995-04-04 At&T Corp. Modular transformer structure providing enhanced leakage inductance and winding isolation
US5861791A (en) * 1995-06-21 1999-01-19 Brunswick Corporation Ignition coil with non-filtering/non-segregating secondary winding separators
JPH1032127A (ja) 1996-07-15 1998-02-03 Yamaha Corp 変圧器およびその組立方法
US6404316B1 (en) * 2000-05-09 2002-06-11 Lucent Technologies Inc. Magnetic device and method of manufacture therefor
US6549431B2 (en) * 2001-03-08 2003-04-15 Power Integrations, Inc. Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
JP3578163B2 (ja) * 2002-05-31 2004-10-20 ソニー株式会社 昇圧トランス
US20040003492A1 (en) 2002-07-02 2004-01-08 Chi-Chih Wu Method for winding transformers
PL1831902T3 (pl) 2004-12-27 2010-10-29 Abb Schweiz Ag Elektryczne urządzenie indukcyjne do zastosowań wysoko-napięciowych

Also Published As

Publication number Publication date
US7847665B2 (en) 2010-12-07
EG25706A (en) 2012-05-27
KR20090101180A (ko) 2009-09-24
CN101689422B (zh) 2012-06-20
PL2102876T3 (pl) 2013-08-30
CN101689422A (zh) 2010-03-31
WO2008074409A1 (de) 2008-06-26
KR101398029B1 (ko) 2014-05-27
BRPI0720381A2 (pt) 2013-12-31
DE102006060567A1 (de) 2008-06-26
EP2102876A1 (de) 2009-09-23
ES2406069T3 (es) 2013-06-05
US20090309685A1 (en) 2009-12-17

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