JP4689413B2 - 超電導導体のクエンチ検出方法並びに装置 - Google Patents
超電導導体のクエンチ検出方法並びに装置 Download PDFInfo
- Publication number
- JP4689413B2 JP4689413B2 JP2005256564A JP2005256564A JP4689413B2 JP 4689413 B2 JP4689413 B2 JP 4689413B2 JP 2005256564 A JP2005256564 A JP 2005256564A JP 2005256564 A JP2005256564 A JP 2005256564A JP 4689413 B2 JP4689413 B2 JP 4689413B2
- Authority
- JP
- Japan
- Prior art keywords
- superconducting
- phase
- phase difference
- quench
- superconducting conductor
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/001—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for superconducting apparatus, e.g. coils, lines, machines
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Landscapes
- Superconductors And Manufacturing Methods Therefor (AREA)
- Gas Or Oil Filled Cable Accessories (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
11 第一の位相検出器
12 第二の位相検出器
13 位相差検出器
14 判定器
20 超電導ケーブル
21 超電導導体
22 超電導シールド
Claims (2)
- 超電導導体を覆う超電導シールドを有する超電導ケーブルに送電する際に、前記超電導シールドから漏れる磁界により生じる電流の位相A及び前記超電導導体を流れる電流の位相Bを検出し、前記位相Aと前記位相Bの位相差を求め、該位相差の変化分に基づいてクエンチの有無を判断することを特徴とする超電導導体のクエンチ検出方法。
- 超電導導体を覆う超電導シールドを有する超電導ケーブルの前記超電導シールドから漏れる磁界により生じる電流の位相Aを検出する第一の位相検出器と、前記超電導導体を流れる電流の位相Bを検出する第二の位相検出器と、前記位相Aと前記位相Bの位相差を検出する位相差検出器と、前記位相差の変化分に基づいてクエンチの有無を判断する判定器とを有する超電導導体のクエンチ検出装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005256564A JP4689413B2 (ja) | 2005-09-05 | 2005-09-05 | 超電導導体のクエンチ検出方法並びに装置 |
EP06254613.0A EP1760857B1 (en) | 2005-09-05 | 2006-09-05 | Quench detection method and apparatus of superconductive conductor |
US11/515,662 US7301323B2 (en) | 2005-09-05 | 2006-09-05 | Quench detection method and apparatus of superconductive conductor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005256564A JP4689413B2 (ja) | 2005-09-05 | 2005-09-05 | 超電導導体のクエンチ検出方法並びに装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007073605A JP2007073605A (ja) | 2007-03-22 |
JP4689413B2 true JP4689413B2 (ja) | 2011-05-25 |
Family
ID=37398287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005256564A Expired - Fee Related JP4689413B2 (ja) | 2005-09-05 | 2005-09-05 | 超電導導体のクエンチ検出方法並びに装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7301323B2 (ja) |
EP (1) | EP1760857B1 (ja) |
JP (1) | JP4689413B2 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008013043A1 (fr) * | 2006-07-24 | 2008-01-31 | The Furukawa Electric Co., Ltd. | Fil supraconducteur, conducteur supraconducteur et câble supraconducteur |
WO2008015941A1 (fr) * | 2006-08-02 | 2008-02-07 | The Furukawa Electric Co., Ltd. | Fil supraconducteur composite, procédé de fabrication associé, et câble supraconducteur |
WO2009068062A1 (en) * | 2007-11-29 | 2009-06-04 | Airbus Operations Gmbh | Method and kit for testing 3-phase supplies onboard of an aircraft |
JP5180783B2 (ja) * | 2008-11-12 | 2013-04-10 | 三菱重工業株式会社 | 超電導コイルクエンチの検出装置及び検出方法 |
CN101446610B (zh) * | 2008-11-25 | 2011-08-17 | 中国电力科学研究院 | 一种高温超导磁体的失超检测电路 |
JP5877397B2 (ja) * | 2011-09-08 | 2016-03-08 | 国立研究開発法人物質・材料研究機構 | 超伝導コイルの保護方法、および超伝導磁石装置 |
JP6453004B2 (ja) * | 2014-09-22 | 2019-01-16 | 株式会社前川製作所 | 超電導ケーブルの健全性診断システム及び健全性診断方法 |
CN109975664B (zh) * | 2019-03-15 | 2023-06-20 | 中国电力科学研究院有限公司 | 一种用于测量超导单元的过电流冲击特性的方法及系统 |
CN110579661B (zh) * | 2019-09-19 | 2022-12-13 | 中国电力科学研究院有限公司 | 一种检测超导电缆的失超的方法和系统 |
CN112285619B (zh) * | 2020-10-28 | 2022-03-01 | 上海交通大学 | 高温超导电缆失超磁检测系统及方法 |
EP4248469A1 (en) | 2020-11-18 | 2023-09-27 | Veir, Inc. | Systems and methods for cooling of superconducting power transmission lines |
EP4248532A1 (en) * | 2020-11-18 | 2023-09-27 | Veir, Inc. | Suspended superconducting transmission lines |
US11373784B2 (en) | 2020-11-18 | 2022-06-28 | VEIR, Inc. | Conductor systems for suspended or underground transmission lines |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5063472A (en) * | 1989-04-04 | 1991-11-05 | Gec Alsthom Sa | Device for detecting superconductor quenching and application to a superconducting current limiter |
JPH0613234A (ja) * | 1992-06-26 | 1994-01-21 | Kansai Electric Power Co Inc:The | 超電導巻線のクエンチ検出装置 |
JPH0757928A (ja) * | 1993-08-18 | 1995-03-03 | Nippon Steel Corp | 交流超電導コイルの保護方法および装置 |
JPH07294582A (ja) * | 1994-04-26 | 1995-11-10 | Tokyo Electric Power Co Inc:The | クエンチ検出装置 |
JPH10149914A (ja) * | 1996-09-04 | 1998-06-02 | General Electric Co <Ge> | 超伝導磁石電気回路 |
JP2005012926A (ja) * | 2003-06-19 | 2005-01-13 | Sumitomo Electric Ind Ltd | 超電導ケーブルのシールド電流測定方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0205924A3 (en) * | 1985-05-20 | 1988-04-06 | Kabushiki Kaisha Toshiba | Monitoring system for detecting quench of superconductive coils |
FR2613493B1 (fr) * | 1987-03-30 | 1989-06-23 | Alsthom | Dispositifs de detection de transitions vers l'etat normal dans un bobinage supraconducteur, notamment de generatrice electrique, et de protection d'un tel bobinage |
JPS6412812A (en) * | 1987-07-04 | 1989-01-17 | Hitachi Cable | Power line for transmission & distribution |
JPH0984252A (ja) | 1995-09-12 | 1997-03-28 | Mitsubishi Electric Corp | 超電導コイルクエンチ検出装置 |
US5862028A (en) * | 1996-05-24 | 1999-01-19 | Northrop Grumman Corporation | Method and apparatus for detecting quenching of a coil for a superconducting magnet |
-
2005
- 2005-09-05 JP JP2005256564A patent/JP4689413B2/ja not_active Expired - Fee Related
-
2006
- 2006-09-05 EP EP06254613.0A patent/EP1760857B1/en active Active
- 2006-09-05 US US11/515,662 patent/US7301323B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5063472A (en) * | 1989-04-04 | 1991-11-05 | Gec Alsthom Sa | Device for detecting superconductor quenching and application to a superconducting current limiter |
JPH0613234A (ja) * | 1992-06-26 | 1994-01-21 | Kansai Electric Power Co Inc:The | 超電導巻線のクエンチ検出装置 |
JPH0757928A (ja) * | 1993-08-18 | 1995-03-03 | Nippon Steel Corp | 交流超電導コイルの保護方法および装置 |
JPH07294582A (ja) * | 1994-04-26 | 1995-11-10 | Tokyo Electric Power Co Inc:The | クエンチ検出装置 |
JPH10149914A (ja) * | 1996-09-04 | 1998-06-02 | General Electric Co <Ge> | 超伝導磁石電気回路 |
JP2005012926A (ja) * | 2003-06-19 | 2005-01-13 | Sumitomo Electric Ind Ltd | 超電導ケーブルのシールド電流測定方法 |
Also Published As
Publication number | Publication date |
---|---|
US7301323B2 (en) | 2007-11-27 |
EP1760857A3 (en) | 2012-05-30 |
EP1760857B1 (en) | 2013-07-10 |
US20070053116A1 (en) | 2007-03-08 |
JP2007073605A (ja) | 2007-03-22 |
EP1760857A2 (en) | 2007-03-07 |
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