EP2387047B1 - Verfahren zur Herstellung einer elektrischen Wicklung und elektrischer Leiter - Google Patents

Verfahren zur Herstellung einer elektrischen Wicklung und elektrischer Leiter Download PDF

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Publication number
EP2387047B1
EP2387047B1 EP10305507A EP10305507A EP2387047B1 EP 2387047 B1 EP2387047 B1 EP 2387047B1 EP 10305507 A EP10305507 A EP 10305507A EP 10305507 A EP10305507 A EP 10305507A EP 2387047 B1 EP2387047 B1 EP 2387047B1
Authority
EP
European Patent Office
Prior art keywords
winding
conductor
electrical
stack
individual conductors
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.)
Active
Application number
EP10305507A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2387047A1 (de
Inventor
Siegbert Tillner
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.)
Essex Europe SAS
Original Assignee
Essex Europe SAS
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
Priority to ES10305507T priority Critical patent/ES2389170T3/es
Application filed by Essex Europe SAS filed Critical Essex Europe SAS
Priority to PL10305507T priority patent/PL2387047T3/pl
Priority to EP10305507A priority patent/EP2387047B1/de
Priority to CN201180023247.XA priority patent/CN102985984B/zh
Priority to US13/696,708 priority patent/US9111668B2/en
Priority to KR1020127032530A priority patent/KR101879755B1/ko
Priority to BR112012028870A priority patent/BR112012028870A2/pt
Priority to RU2012153561/07A priority patent/RU2556086C2/ru
Priority to PCT/EP2011/054416 priority patent/WO2011141213A1/de
Priority to MX2012013142A priority patent/MX2012013142A/es
Publication of EP2387047A1 publication Critical patent/EP2387047A1/de
Application granted granted Critical
Publication of EP2387047B1 publication Critical patent/EP2387047B1/de
Active 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
    • 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
    • H01F41/064—Winding non-flat conductive wires, e.g. rods, cables or cords
    • H01F41/066—Winding non-flat conductive wires, e.g. rods, cables or cords with insulation
    • H01F41/068—Winding non-flat conductive wires, e.g. rods, cables or cords with insulation in the form of strip material
    • 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
    • H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
    • 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
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
    • H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
    • 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
    • H01F41/071—Winding coils of special form
    • H01F41/074—Winding flat coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/02—Coils wound on non-magnetic supports, e.g. formers
    • 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
    • Y10T29/49117—Conductor or circuit manufacturing

Definitions

  • the invention relates to a method for producing an electrical winding for an electrical device in which the winding is embedded in a liquid serving for cooling, with which first a conductor is made, in which a plurality of insulated electrical conductors having a rectangular cross-section with their flat sides abutting one another in at least one stack, around which the wrapping material consisting of insulating material is wound, and with which the conductor is subsequently formed into a one-part winding, and onto an electrical conductor ( DE 197 27 758 A1 ).
  • a conductor which can be used for such a winding is, for example, a twisted conductor which is used in windings for transformers in which oil is contained as coolant.
  • Such a twisting ladder consists of two stacks of flat, insulated individual electrical conductors, which are twisted in their course by constant exchange of space from one stack to the other.
  • To be such a conductor according to the above-mentioned DE 197 27 758 A1 several layers of paper wrapped as insulation. Between the turns of a winding made of such a conductor, a gap for the passage of the coolant, which is adjusted by spacers remains.
  • the invention has the object of developing the initially described method so that a sufficient cooling of a coil produced with the corresponding conductor is ensured in the long term.
  • the wrapping material used in this method can be designed, for example, as a band or fabric or cord. It consists of a plastic with impressed shape memory, which is stretched in the way of prefabrication and held in the extended state by cooling or "frozen" is. Such a single-layer or multi-layered winding material is returned to its original length when heat is applied thanks to its shape memory. It will be shorter then.
  • a lengthened according to the invention winding material can be wrapped in a conventional technique to the stack of individual conductors, so the conductor, so that it surrounds the same sufficiently strong.
  • the wrapping with the wrapping material corresponds in strength about the usual wrapping with other materials, so that the conductor has sufficient flexibility for its further processing.
  • the conductor thus wound can therefore also be processed in conventional technology into a winding whose windings are separated by a gap. After completion of the winding, the same is heated to a predetermined minimum temperature. For this purpose, it can be introduced into a drying oven, for example, for expelling residual moisture and for baking lacquer, if such is applied to the individual conductors as insulation and for solidification. By taking place in this heat, the wrapping material is in the direction of its original length, to which it wants to go back, shorter, so that it lays with increased force to the conductor. The set between the turns of the winding gap is thus maintained in the long term in its entire clear width, so that the cooling of the winding is constantly ensured during their operation.
  • Plastics with impressed shape memory for example, from the EP 2 103 637 A2 out. These are essentially polymers and / or oligomers with a wide variety of base materials.
  • band is used in the following for the sake of simplicity.
  • the conductor according to the invention consists in the simplest embodiment of a stack of flat, insulated electrical conductors with approximately rectangular cross-section, which lie with their flat sides together.
  • the conductor is a twisted conductor with two adjacent stacks of individual conductors, as it is in Fig. 1 is shown.
  • the individual conductors can for example be insulated with a so-called baked enamel, which is activated when heat is applied and causes the individual conductors in the respective stack to cake.
  • Fig. 1 shown Drilleiter 1 - hereinafter called "conductor 1" briefly consists of two adjacent stacks of flat, insulated electrical conductors 2 with approximately rectangular cross-section, which lie with their flat sides to each other.
  • the individual conductors 2 are preferably made of copper. They are insulated with an insulating varnish, in particular a baked enamel.
  • a constantly repeating change of the individual conductors 2 is made from one stack to another over the entire length thereof.
  • the individual conductors 2 by means of a suitable tool on Fig. 1 resulting points 3 cranked, in each case an overhead and a lower lying individual conductor. This happens continuously.
  • Regular change of the individual conductors 2 in the cross section of the conductor 1 also leads to lower eddy current losses.
  • a tape 4 wound as insulation which consists of a plastic with impressed shape memory. It is wrapped around the conductor 1 with an ordinary strength in an extended state, in which it is brought by stretching and “freezing". It may be wound around the conductor in an overlapping or impact fashion, but also with gaps between the individual windings.
  • the conductor 1 is continuously manufactured in a large length, quasi "endless”. It can be wound onto a coil or directly to a winding for an electrical device, in particular a transformer, further processed. For such further processing, the conductor 1 may optionally be transported with the coil to another production site and there again unwound from the spool.
  • an electrical winding W For the production of an electrical winding W, the conductor 1 according to Fig. 2 wound on a mechanically stable core 5 with a predetermined diameter, with a gap or a gap between its turns, which can be adjusted by the attachment of spacers.
  • the finished winding W is heated to a predetermined temperature before use in an electrical device, in which the band 4 shrinks in its longitudinal direction or becomes shorter and lays around the conductor 1 with increased strength.
  • the winding W can be introduced, for example, in a drying oven 6, in which it is heated, for example, to expel residual moisture and / or to activate a mounted on the individual conductors 2 baking enamel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Insulating Of Coils (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Insulated Conductors (AREA)
  • Windings For Motors And Generators (AREA)
  • Manufacture Of Motors, Generators (AREA)
EP10305507A 2010-05-12 2010-05-12 Verfahren zur Herstellung einer elektrischen Wicklung und elektrischer Leiter Active EP2387047B1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
PL10305507T PL2387047T3 (pl) 2010-05-12 2010-05-12 Sposób wytwarzania uzwojenia elektrycznego i przewód elektryczny
EP10305507A EP2387047B1 (de) 2010-05-12 2010-05-12 Verfahren zur Herstellung einer elektrischen Wicklung und elektrischer Leiter
ES10305507T ES2389170T3 (es) 2010-05-12 2010-05-12 Procedimiento para la fabricación de un arrollamiento eléctrico y conductor eléctrico
US13/696,708 US9111668B2 (en) 2010-05-12 2011-03-23 Method for production of an electrical winding, and electrical conductor
KR1020127032530A KR101879755B1 (ko) 2010-05-12 2011-03-23 전기 와인딩 제조 방법 및 전기 도체
BR112012028870A BR112012028870A2 (pt) 2010-05-12 2011-03-23 processo para produzir um enrolamento elétrico e um condutor elétrico
CN201180023247.XA CN102985984B (zh) 2010-05-12 2011-03-23 制造电绕组的方法和电导体
RU2012153561/07A RU2556086C2 (ru) 2010-05-12 2011-03-23 Способ и устройство для изготовления токовой обмотки и электрический проводник
PCT/EP2011/054416 WO2011141213A1 (de) 2010-05-12 2011-03-23 Verfahren zur herstellung einer elektrischen wicklung und elektrischer leiter
MX2012013142A MX2012013142A (es) 2010-05-12 2011-03-23 Metodo para la produccion de un arrollamiento electrico, y conductor electrico.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10305507A EP2387047B1 (de) 2010-05-12 2010-05-12 Verfahren zur Herstellung einer elektrischen Wicklung und elektrischer Leiter

Publications (2)

Publication Number Publication Date
EP2387047A1 EP2387047A1 (de) 2011-11-16
EP2387047B1 true EP2387047B1 (de) 2012-06-06

Family

ID=42727480

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10305507A Active EP2387047B1 (de) 2010-05-12 2010-05-12 Verfahren zur Herstellung einer elektrischen Wicklung und elektrischer Leiter

Country Status (10)

Country Link
US (1) US9111668B2 (es)
EP (1) EP2387047B1 (es)
KR (1) KR101879755B1 (es)
CN (1) CN102985984B (es)
BR (1) BR112012028870A2 (es)
ES (1) ES2389170T3 (es)
MX (1) MX2012013142A (es)
PL (1) PL2387047T3 (es)
RU (1) RU2556086C2 (es)
WO (1) WO2011141213A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170033631A1 (en) * 2015-07-29 2017-02-02 Siemens Energy, Inc. Method for roebel transposition of form wound conductors of electrical machines such as generators and motors
DE102016200457A1 (de) * 2016-01-15 2017-07-20 Siemens Aktiengesellschaft Wicklungsanordnung mit Fuß zum stehenden Verguss

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2108343B2 (de) * 1971-02-22 1978-09-14 Transformatoren Union Ag, 7000 Stuttgart Drilleiter für Wicklungen von Transformatoren und Verfahren zu seiner Herstellung
DE2363981C3 (de) * 1973-12-21 1979-03-01 Transformatoren Union Ag, 7000 Stuttgart Aus mit einem trockenen, festen, bei Temperaturzufuhr wieder erweichenden und danach aushärtenden Bindemittelüberzug versehenen Teilleitern gebildeter Drilleiter
US4321426A (en) * 1978-06-09 1982-03-23 General Electric Company Bonded transposed transformer winding cable strands having improved short circuit withstand
US4276102A (en) * 1979-09-04 1981-06-30 General Electric Company Method for compacting transposed cable strands
US4384168A (en) * 1981-05-12 1983-05-17 The United States Of America As Represented By The Department Of Energy Conductor for a fluid-cooled winding
US5175396A (en) * 1990-12-14 1992-12-29 Westinghouse Electric Corp. Low-electric stress insulating wall for high voltage coils having roebeled strands
DE19727758A1 (de) * 1997-04-17 1998-10-22 Alsthom Cge Alcatel Mehrfachparallelleiter für Wicklungen elektrischer Geräte und Maschinen
DE19750064A1 (de) 1997-11-12 1999-05-20 Cit Alcatel Mehrfachparallelleiter für Wicklungen elektrischer Geräte und Maschinen
KR100293454B1 (ko) * 1998-07-06 2001-07-12 김영환 압축성형방법
US6228494B1 (en) * 1998-12-02 2001-05-08 Siemens Westinghouse Power Corporation Method to reduce partial discharge in high voltage stator coil's roebel filler
US6559384B1 (en) * 1998-12-18 2003-05-06 Electrolock, Inc. Conductive filler
EP1202298A3 (de) * 2000-10-23 2003-02-05 Nexans Mehrfachdrilleiter
CN100461225C (zh) * 2006-07-07 2009-02-11 首安工业消防有限公司 一种模拟量线型感温火灾探测线缆
DE102008016123A1 (de) * 2008-03-20 2009-09-24 Gt Elektrotechnische Produkte Gmbh Shape Memory Polymere und Verfahren zu ihrer Herstellung

Also Published As

Publication number Publication date
CN102985984A (zh) 2013-03-20
KR20130111222A (ko) 2013-10-10
EP2387047A1 (de) 2011-11-16
BR112012028870A2 (pt) 2016-07-26
WO2011141213A1 (de) 2011-11-17
MX2012013142A (es) 2013-02-11
CN102985984B (zh) 2016-08-03
RU2556086C2 (ru) 2015-07-10
ES2389170T3 (es) 2012-10-23
RU2012153561A (ru) 2014-06-20
PL2387047T3 (pl) 2012-12-31
US9111668B2 (en) 2015-08-18
KR101879755B1 (ko) 2018-07-18
US20130199819A1 (en) 2013-08-08

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