JPWO2005008687A1 - 超電導線材及びそれを用いた超電導コイル - Google Patents
超電導線材及びそれを用いた超電導コイル Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
- H01F6/02—Quenching; Protection arrangements during quenching
-
- 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
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- 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
- H10N60/203—Permanent superconducting devices comprising high-Tc ceramic materials
-
- 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
- H01F27/2852—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
- H01F27/2871—Pancake 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/346—Preventing or reducing leakage fields
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/70—High TC, above 30 k, superconducting device, article, or structured stock
- Y10S505/704—Wire, fiber, or cable
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/70—High TC, above 30 k, superconducting device, article, or structured stock
- Y10S505/704—Wire, fiber, or cable
- Y10S505/705—Magnetic coil
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/825—Apparatus per se, device per se, or process of making or operating same
- Y10S505/879—Magnet or electromagnet
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/825—Apparatus per se, device per se, or process of making or operating same
- Y10S505/884—Conductor
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- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/825—Apparatus per se, device per se, or process of making or operating same
- Y10S505/884—Conductor
- Y10S505/887—Conductor structure
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Abstract
Description
さらに、常電導の金属層を備えることにより、交流損失による発生熱を有効に放散して、熱的安定性を向上することを目的として、特許文献4には、下記のような構成を備えたテープ状の超電導線の製造方法が開示されている。
14 コイル中心軸
21 冷却板
30 導体要素
31 基板
32 中間層
33 超電導層
34 金属層
35 スリット
36 電気絶縁性材料
60a〜60d 超電導コイル
70 導体要素接続部材
80 導体要素一括接続部材
100a,100b 超電導線材
また、前記超電導線材を巻回してなる超電導コイルとしては、超電導コイルの構造もしくは配置上、超電導コイルによって生ずる磁場分布によって前記並列導体の各導体要素間に作用する垂直鎖交磁束が、互いに打ち消すように作用する部分を、少なくとも一部に有してなるコイル構成を備えるものとすることにより、
交流損失の抑制が可能な超電導線材を提供し、さらにこの超電導線材を用いた超電導コイルは、転位なしの簡便な構成により線材に対する垂直磁界による鎖交磁束がキャンセル可能な構成で、かつ、垂直磁界による線材内循環電流を抑制して電流分流を均一化でき、これにより低損失の超電導コイルを提供することができる。
Claims (9)
- 基板面上に超電導薄膜を形成してテープ状にしてなる超電導線材において、少なくとも超電導薄膜部を、断面が矩形状の複数の超電導薄膜部に電気的に分離して並列化した並列導体としてなることを特徴とする超電導線材。
- 請求項1に記載の超電導線材において、基板面上に形成された超電導薄膜の上面に常電導の金属層を備え、前記並列導体は、前記金属層と超電導薄膜とを共に電気的に分離して並列化してなることを特徴とする超電導線材。
- 請求項1または2に記載の超電導線材において、前記並列導体の電気的に分離する部分はスリット状の溝とし、このスリット状の溝に電気絶縁性材料を充填し、かつ前記並列導体の周囲全体を電気絶縁性材料で被覆してなることを特徴とする超電導線材。
- 請求項1ないし3のいずれか1項に記載の超電導線材において、前記超電導薄膜は、高温超電導薄膜とすることを特徴とする超電導線材。
- 請求項1ないし4のいずれか1項に記載の超電導線材を巻回してなる超電導コイルにおいて、前記超電導コイルの構造もしくは配置上、超電導コイルによって生ずる磁場分布によって前記並列導体の各導体要素間に作用する垂直鎖交磁束が、互いに打ち消すように作用する部分を、少なくとも一部に有してなるコイル構成を備えることを特徴とする超電導コイル。
- 請求項5に記載の超電導コイルにおいて、前記超電導線材を、コイル軸方向に1もしくは複数ターン巻回し、かつコイル半径方向に1もしくは複数層巻回してなることを特徴とする超電導コイル。
- 請求項6に記載の超電導コイルにおいて、超電導コイルがシリンダ巻線方式のコイルの場合であって、コイル軸方向の一部に、前記超電導線材の並列導体の各導体要素を一括して接続する超電導線一括接続方式の電気的接続部を少なくとも一箇所設ける場合、前記電気的接続部は、コイル軸端部に設けることを特徴とする超電導コイル。
- 請求項5に記載の超電導コイルにおいて、超電導コイルがパンケーキ巻線方式のコイルの場合、2個のパンケーキコイル間を接続する複数個のコイル接続部をコイル内外周部に設け、前記コイル接続部の少なくとも一部は、前記超電導線材の並列導体の各導体要素がそれぞれ電気的に分離して接続する導体要素分離接続方式のコイル接続部とし、残りのコイル接続部は超電導線一括接続方式とし、全体として各パンケーキコイルの並列導体の各導体要素間に作用する垂直磁界の鎖交磁束が互いに打ち消すように、コイル接続部をコイル内外周部に設けてなることを特徴とする超電導コイル。
- 請求項5ないし8のいずれか1項に記載の超電導コイルにおいて、複数層巻回してなる超電導コイルの場合、少なくとも一部の前記層間に、良熱伝導性材料からなる冷却板を配設してなることを特徴とする超電導コイル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2003198235 | 2003-07-17 | ||
JP2003198235 | 2003-07-17 | ||
PCT/JP2004/009965 WO2005008687A1 (ja) | 2003-07-17 | 2004-07-13 | 超電導線材及びそれを用いた超電導コイル |
Publications (2)
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JPWO2005008687A1 true JPWO2005008687A1 (ja) | 2007-09-20 |
JP4657921B2 JP4657921B2 (ja) | 2011-03-23 |
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US (2) | US7453340B2 (ja) |
EP (1) | EP1653485B1 (ja) |
JP (1) | JP4657921B2 (ja) |
WO (1) | WO2005008687A1 (ja) |
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US5168259A (en) * | 1989-09-19 | 1992-12-01 | Semiconductor Energy Laboratory Co., Ltd. | Superconducting coil |
JPH03222212A (ja) | 1990-01-29 | 1991-10-01 | Central Res Inst Of Electric Power Ind | 高温超電導線材の製造方法 |
JP3837749B2 (ja) | 1993-05-17 | 2006-10-25 | 住友電気工業株式会社 | 酸化物超電導導体およびその製造方法 |
JPH0773757A (ja) * | 1993-09-03 | 1995-03-17 | Furukawa Electric Co Ltd:The | 酸化物超電導導体の製造方法 |
JPH0812288A (ja) | 1994-06-24 | 1996-01-16 | Meidensha Corp | 昇降装置及び該昇降装置を有する無人搬送車 |
JPH10507589A (ja) * | 1994-10-13 | 1998-07-21 | アメリカン スーパーコンダクター コーポレイション | 輪郭が変化する超電導磁気コイル |
JPH11135318A (ja) * | 1997-10-28 | 1999-05-21 | Kyushu Electric Power Co Inc | 超電導磁石 |
JPH11273935A (ja) | 1998-03-24 | 1999-10-08 | Kazuo Funaki | 超電導コイル |
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2004
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- 2004-07-13 WO PCT/JP2004/009965 patent/WO2005008687A1/ja active Application Filing
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS63269422A (ja) * | 1987-04-27 | 1988-11-07 | Fujikura Ltd | 超電導ユニツトの製造方法 |
JP2001110256A (ja) * | 1999-10-14 | 2001-04-20 | Toshiba Corp | 超電導複合体及び超電導複合体の製造方法 |
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US8880135B2 (en) * | 2005-11-18 | 2014-11-04 | Railway Technical Research Institute | Low alternating-current loss oxide superconductor and fabricating method thereof |
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US20090170708A1 (en) | 2009-07-02 |
EP1653485B1 (en) | 2016-12-14 |
EP1653485A4 (en) | 2008-07-02 |
WO2005008687A1 (ja) | 2005-01-27 |
US20060077025A1 (en) | 2006-04-13 |
JP4657921B2 (ja) | 2011-03-23 |
US7453340B2 (en) | 2008-11-18 |
EP1653485A1 (en) | 2006-05-03 |
US7777602B2 (en) | 2010-08-17 |
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