EP2729943A1 - Procédé de fabrication de bobines supraconductrices et dispositif comprenant une bobine supraconductrice fabriquée selon ledit procédé - Google Patents

Procédé de fabrication de bobines supraconductrices et dispositif comprenant une bobine supraconductrice fabriquée selon ledit procédé

Info

Publication number
EP2729943A1
EP2729943A1 EP12747997.0A EP12747997A EP2729943A1 EP 2729943 A1 EP2729943 A1 EP 2729943A1 EP 12747997 A EP12747997 A EP 12747997A EP 2729943 A1 EP2729943 A1 EP 2729943A1
Authority
EP
European Patent Office
Prior art keywords
superconducting
carrier
coil
coils
coating method
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Withdrawn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
EP12747997.0A
Other languages
German (de)
English (en)
Inventor
Dierk SCHRÖDER
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
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP2729943A1 publication Critical patent/EP2729943A1/fr
Withdrawn legal-status Critical Current

Links

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
    • H01F41/048—Superconductive coils
    • 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
    • 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
    • H01F41/041—Printed circuit coils
    • H01F41/047—Printed circuit coils structurally combined with superconductive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor
    • 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
    • H01F41/041—Printed circuit coils
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/01—Manufacture or treatment
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N60/00—Superconducting devices
    • H10N60/20—Permanent superconducting devices

Definitions

  • the present invention relates to a method for producing superconductive coils, comprising the steps of providing a carrier and applying a superconducting material in the form of at least one coil to the carrier.
  • the present invention includes a superconducting apparatus comprising a superconducting coil produced by the method.
  • HTS high temperature superconducting
  • a major obstacle is the poor availability of conductor material in ribbon or wire form with the required specifications.
  • Maximum manufacturable lengths of HTS tapes with good quality are in the range of 2000m.
  • the bands are usually made of a band-shaped base material such as steel strip, and a superconducting coating. These tapes are wound on a carrier coils which are part of the superconducting device.
  • the coils may be part of a rotor in an electric motor or generator.
  • the superconducting layer on the tape-shaped Grundma ⁇ TERIAL results in a not or severely restricted flexible belt.
  • the superconducting material is usually ceramic and may flake off the tape-shaped base material upon bending, or the superconducting layer may become brittle.
  • a support which may have, for example, a rod-shaped, hollow-cylindrical or square shape
  • the tapes may be subjected to strong tensile, bending and / or twisting forces. These lead to a deterioration of the superconducting properties the tapes to the complete destruction of the superconducting layer on the tapes.
  • the object of the present invention is therefore to provide a method for the production of superconducting coils and superconducting devices, in which a deterioration up to the destruction of the superconducting
  • Characteristics of superconductors in the production of superconducting coils is prevented.
  • the inventive method for producing a superconducting coil includes the steps of providing a Trä ⁇ gers and applying a superconducting material in the form of at least one coil on the support.
  • the application of the superconducting material takes place by means of at least one coating method directly on the carrier. This eliminates the need to wrap coated tape wires.
  • conductors which form a coil can be formed directly on the carrier by the coating method, or the conductors can be formed in the form of a coil in further method steps such as, for example, lithography methods and / or etching. Deformation and destruction during the formation of the coil of the superconducting material, which is generally ceramic and thus brittle and brittle in deformation, are thereby prevented.
  • carrier is meant a solid material on which conductor strips are wound in the prior art to form a coil.
  • a carrier may have a bar-shaped, hollow cylindrical or quad- ratische shape and may be part of a rotor of a Mo ⁇ gate or generator.
  • the winding carrier may be, for example, the rotor itself or parts thereof, which in operation lead to egg ⁇ ner good magnetic field distribution.
  • the coating method may include a galvanic method, and / or a spraying method, and / or a sputtering method, and / or a vapor deposition method. This can be carried out in a liquid, in air, under a protective gas atmosphere or in a vacuum, depending on the method used.
  • galvanic processes in liquids spraying processes in air or in vacuum, sputtering processes and vapor deposition processes are carried out in vacuo or in ultra-high vacuum.
  • other coating methods with the aid of which a solid material is formed on the carrier.
  • the coating method is in contrast to a method such as winding a tape on a support.
  • a high-temperature superconductive conductor in ⁇ can direct at least a superconducting conductor can be formed, which forms at least one coil.
  • This can be achieved, for example, by spraying on superconducting material in the solid state and at cryogenic temperatures. material directly in ladder form. Additional steps such as masking and / or etching can be saved. Further steps may be used to electrically isolate different levels from one another when forming a coil having more than one winding plane.
  • insulators can be formed as a layer over a layer of conductors, in particular by deposition or winding, and electrical contact points between different conductor levels can be produced by etching, drilling, in particular laser drilling, and / or milling.
  • a ceramic material may be used, in particular SnTi and / or NbTi and / or MgB 2 and / or BiSrCaCuO and / or YBaCuO. It is also possible to use other superconducting materials, and / or mixtures which can be applied to a carrier by a coating process.
  • superconducting materials are understood as meaning materials which become superconducting in the finished state below a critical temperature T K.
  • high temperature superconductors may be superconducting at the temperature of liquid nitrogen.
  • An insulator may be applied, in particular by the same coating method with which the superconducting ceramic material is applied and / or has been applied.
  • the insulator may electrically insulate the superconducting conductors of the coil from the environment or prevent direct electrical contact of conductors of different coil planes of a coil, with the exception of the contact pads for connecting the planes.
  • an oxidic material in particular a metallic oxide, or plastic can be applied.
  • an insulating varnish can be applied as insulator or a foil can be wound over conductors, or material of the conductor can be oxidized on the surface, whereby an electrically insulating surface is formed.
  • Adhesive and / or insulating and / or cover layers may be comprised on the surface of the support, which in particular cause an epitaxial growth of the superconducting ceramic material with good adhesion directly on the support.
  • conductors with crystalline and / or electrical preferred directions can be formed, and / or a good mechanical adhesion of the conductors can be effected on the carrier.
  • the carrier may be provided in the form of a hollow cylinder and / or the carrier may be provided in a mold for creating a racetrack. So different ⁇ Liche coils can be formed on the support, for example Rennbahnför--shaped, depending on the desired application.
  • the carrier may be a rotor of a machine or may be attached to a rotor as a winding carrier.
  • the carrier can comprise a material which is formed from synthetic material, from metal, in particular copper or steel, or from metal oxide.
  • a superconducting device comprises a superconducting coil produced by a previously described method, in particular a high-temperature superconducting coil.
  • devices can have good properties, such as high efficiency.
  • the conductors of the coils have better superconducting properties, because damage to the superconducting layers during production, for example by mechanical stresses and / or bending, is avoided.
  • Coils with very long conductors can be produced, compared to classical methods in which the superconducting material is applied to a conductor strip. The application on a large Spu ⁇ body is easier to carry out than the application to thin conductor strips.
  • the device according to the invention may be an electric motor and / or a current limiter and / or a magnetic resonance tomograph and / or a fusion reactor.
  • superconducting coils having good superconducting properties are needed.
  • the method described above can lead to improved properties, eg higher efficiency, better switching characteristics, better signal-to-noise ratio, higher power, better efficiency of the device, depending on the application described above.
  • Fig. 1 is a schematic sectional view of a superconductive coil 1 produced by the erfindungsge ⁇ MAESSEN method.
  • a superconducting coil 1 is shown, which is formed of a conductor 3 on a support 2. At the beginning and end of the conductor 3 are each electrical Kunststoffstel ⁇ len 4 for electrically contacting the coil 1 is formed.
  • a coil 1 can also be formed by making several levels one above the other, each with an electrical insulator between the planes.
  • the conductors 3 of two adjacent levels can each be electrically connected to each other.
  • the con- 4 clock points can be freed, for example by etching or drilling of an insulator.
  • Carriers are used in a flat rather than elongated, hollow cylindrical shape, which carry coils in racetrack shape.
  • the essence of the present invention is that by applying the superconducting layer of a superconducting coil directly on a support, ie a Wicklungsträ ⁇ ger, damage or destruction of the layer by process steps such as bending or pulling is avoided.
  • the term "directly on the support” is to be understood as meaning that a chemical or physical bonding of the layer to the support exists.
  • a sup ⁇ ra decisionsde layer is chemically or physically bonded to a conductor strip in the prior art and this conductor tape is wound on a support.
  • the conductor strip lies loosely on the carrier and can only be bound in further steps by, for example, pouring a resin onto the carrier.
  • the superconducting layer can be damaged, resulting in a Deterioration of the superconducting properties leads. This is prevented in the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)

Abstract

L'invention concerne un procédé de fabrication de bobines supraconductrices (1), comprenant les étapes suivantes : la préparation d'un support (2) et le dépôt d'un matériau supraconducteur sous la forme d'au moins une bobine sur le support. Le dépôt du matériau supraconducteur se fait directement sur le support en utilisant au moins un procédé de revêtement. Ceci évite de devoir bobiner des fils plats revêtus. L'invention concerne en outre un dispositif supraconducteur comprenant une bobine supraconductrice (1) fabriquée selon le procédé selon l'invention.
EP12747997.0A 2011-08-24 2012-08-06 Procédé de fabrication de bobines supraconductrices et dispositif comprenant une bobine supraconductrice fabriquée selon ledit procédé Withdrawn EP2729943A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011081465A DE102011081465A1 (de) 2011-08-24 2011-08-24 Verfahren zur Herstellung von supraleitenden Spulen und Vorrichtung mit einer supraleitenden Spule hergestellt nach dem Verfahren
PCT/EP2012/065362 WO2013026690A1 (fr) 2011-08-24 2012-08-06 Procédé de fabrication de bobines supraconductrices et dispositif comprenant une bobine supraconductrice fabriquée selon ledit procédé

Publications (1)

Publication Number Publication Date
EP2729943A1 true EP2729943A1 (fr) 2014-05-14

Family

ID=46682809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12747997.0A Withdrawn EP2729943A1 (fr) 2011-08-24 2012-08-06 Procédé de fabrication de bobines supraconductrices et dispositif comprenant une bobine supraconductrice fabriquée selon ledit procédé

Country Status (5)

Country Link
US (1) US20140194294A1 (fr)
EP (1) EP2729943A1 (fr)
CN (1) CN103765532A (fr)
DE (1) DE102011081465A1 (fr)
WO (1) WO2013026690A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103515048B (zh) * 2013-10-16 2016-03-02 中国科学院电工研究所 一种径向超导匀场线圈的制作工艺
CN107578878A (zh) * 2017-09-19 2018-01-12 杭州电子科技大学 全陶瓷高温超导线圈及其制造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466581A (en) * 1966-08-18 1969-09-09 Siemens Ag Winding for a magnet coil of high field strength and method of manufacturing the same
US4108737A (en) * 1976-03-29 1978-08-22 Battelle-Institute Method of continuous production of a ductile superconducting material in the form of tapes, foils or wires
US5079222A (en) * 1987-08-31 1992-01-07 Semiconductor Energy Laboratory Co., Ltd. Superconducting ceramic circuits and manufacturing method for the same
US5470820A (en) * 1991-05-06 1995-11-28 Hauser Chemical Research, Inc. Electroplating of superconductor elements

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US4920318A (en) * 1985-08-14 1990-04-24 Picker International, Inc. Surface coil system for magnetic resonance imaging
JPS63250881A (ja) * 1987-04-07 1988-10-18 Semiconductor Energy Lab Co Ltd 超電導体の作製方法
CN87101048A (zh) * 1987-05-23 1988-12-14 中国科学院上海冶金研究所 氧化物超导线圈及其制造方法
JPS6411305A (en) * 1987-07-06 1989-01-13 Sumitomo Electric Industries Superconducting coil and manufacture thereof
US5099162A (en) * 1987-07-22 1992-03-24 Canon Kabushiki Kaisha Coil of superconducting material for electric appliance and motor utilizing said coil
US4870051A (en) * 1988-04-29 1989-09-26 Allied-Signal Inc. Method of forming superconducting ceramics by electrodeposition
US5244875A (en) * 1991-05-06 1993-09-14 Hauser Chemical Research, Inc. Electroplating of superconductor elements
US5248657A (en) * 1991-05-13 1993-09-28 General Dynamics Corporation, Space Systems Division Method for forming internally helixed high temperature superconductor assembly
JP2517870B2 (ja) * 1993-04-01 1996-07-24 工業技術院長 複合酸化物超伝導薄膜の製造方法
CN1300127A (zh) * 1999-12-16 2001-06-20 李爱清 层状圆环形薄膜绕组式电机及工艺
DE10136890B4 (de) * 2001-07-25 2006-04-20 Siemens Ag Verfahren und Vorrichtung zum Erzeugen eines kristallstrukturell texturierten Bandes aus Metall sowie Band
GB0120697D0 (en) * 2001-08-24 2001-10-17 Coated Conductors Consultancy Superconducting coil fabrication
KR100521573B1 (ko) * 2002-07-24 2005-10-17 연세대학교 초전도자석용 보빈
DE502006008727D1 (de) * 2006-11-17 2011-02-24 Nexans Verfahren zur Herstellung eines supraleitfähigen elektrischen Leiters
DE102008064579B4 (de) * 2008-12-22 2012-03-15 Siemens Aktiengesellschaft Verfahren und Trägerzylinder zur Herstellung einer elektrischen Wicklung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466581A (en) * 1966-08-18 1969-09-09 Siemens Ag Winding for a magnet coil of high field strength and method of manufacturing the same
US4108737A (en) * 1976-03-29 1978-08-22 Battelle-Institute Method of continuous production of a ductile superconducting material in the form of tapes, foils or wires
US5079222A (en) * 1987-08-31 1992-01-07 Semiconductor Energy Laboratory Co., Ltd. Superconducting ceramic circuits and manufacturing method for the same
US5470820A (en) * 1991-05-06 1995-11-28 Hauser Chemical Research, Inc. Electroplating of superconductor elements

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013026690A1 *

Also Published As

Publication number Publication date
CN103765532A (zh) 2014-04-30
WO2013026690A1 (fr) 2013-02-28
DE102011081465A1 (de) 2013-02-28
US20140194294A1 (en) 2014-07-10

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