JP4620637B2 - 抵抗型超電導限流器 - Google Patents
抵抗型超電導限流器 Download PDFInfo
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- JP4620637B2 JP4620637B2 JP2006181710A JP2006181710A JP4620637B2 JP 4620637 B2 JP4620637 B2 JP 4620637B2 JP 2006181710 A JP2006181710 A JP 2006181710A JP 2006181710 A JP2006181710 A JP 2006181710A JP 4620637 B2 JP4620637 B2 JP 4620637B2
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- 239000004020 conductor Substances 0.000 claims description 84
- 238000010791 quenching Methods 0.000 claims description 18
- 239000002887 superconductor Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 9
- 229910021521 yttrium barium copper oxide Inorganic materials 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 229910003336 CuNi Inorganic materials 0.000 claims description 3
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 239000011888 foil Substances 0.000 description 11
- 230000007704 transition Effects 0.000 description 11
- 230000001965 increasing effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000013021 overheating Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H87/00—Protective devices in which a current flowing through a liquid or solid is interrupted by the evaporation of the liquid or by the melting and evaporation of the solid when the current becomes excessive, the circuit continuity being reestablished on cooling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/023—Current limitation using superconducting elements
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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
- 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
-
- 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
- Y10S505/85—Protective circuit
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Description
Claims (14)
- 正常電流が流れるときは超電導状態であり、予め決定された臨界電流値以上の事故電流が流れるときは予め決定された抵抗を有する常電導状態に変化する超電導限流素子と、
正常電流が流れるとき、前記超電導限流素子と電流の流れ方向が逆になって磁界が相殺されて電流損失が最小化するように、前記超電導限流素子に対向するように前記超電導限流素子に直列に接続され、事故電流が流れるとき、前記超電導限流素子より先にクエンチされるように、前記超電導限流素子のn値より予め決定された割合で大きいn値を有する超電導直列コイルと、
事故電流が流れるとき、前記超電導限流素子を流れる電流を分流して前記超電導限流素子の過熱が防止されるように保護すると共に、磁界を発生させて前記超電導限流素子の均一なクエンチを助けるために、前記超電導限流素子に並列に接続され、事故電流が流れるとき、前記超電導限流素子が有する前記抵抗より小さな、予め決定された抵抗を有する第1常電導体並列コイルと、
事故電流が流れるとき、前記超電導直列コイルを流れる電流を分流して前記超電導直列コイルの過熱が防止されるように保護すると共に、磁界を発生させて前記超電導限流素子を均一にクエンチするために、前記超電導直列コイルに並列に接続され、事故電流が流れるとき、前記超電導直列コイルが有する抵抗より小さな、予め決定された抵抗を有する第2常電導体並列コイルと、
を含むことを特徴とする抵抗型超電導限流器。 - 前記超電導限流素子は、全体的形状が螺旋コイル状の超電導体であることを特徴とする請求項1に記載の抵抗型超電導限流器。
- 正常電流が流れるとき、磁界が相殺されて電流損失が最小化するように、前記超電導限流素子に直列に接続される前記超電導直列コイルが、螺旋コイル状の超電導体であり、前記超電導限流素子を囲むように配置され、前記超電導限流素子の巻回数と同じ巻回数を有することを特徴とする請求項1に記載の抵抗型超電導限流器。
- 前記超電導直列コイル及び前記超電導限流素子が、それぞれ薄厚かつ幅広の面を有するテープ状のBISCCO系又はYBCO系の超電導体を巻回して形成した超電導コイルであることを特徴とする請求項1に記載の抵抗型超電導限流器。
- 前記超電導直列コイルと前記超電導限流素子とは、前記幅広の面が対向するように配置されることを特徴とする請求項1に記載の抵抗型超電導限流器。
- 前記超電導直列コイルと前記超電導限流素子とは、臨界電流値の差が3%以下であることを特徴とする請求項1に記載の抵抗型超電導限流器。
- 前記超電導直列コイルのn値が、前記超電導限流素子のn値より1.5〜4.0倍の割合で大きい値であることを特徴とする請求項1に記載の抵抗型超電導限流器。
- 前記第1常電導体並列コイルと前記第2常電導体並列コイルの両方が、前記超電導直列コイルの電流方向又は前記超電導限流素子の電流方向のいずれか一方と同じ電流方向を有することを特徴とする請求項1に記載の抵抗型超電導限流器。
- 前記第1常電導体並列コイル及び前記第2常電導体並列コイルが、ソレノイド状コイルであり、前記第1常電導体並列コイルが、前記超電導限流素子と前記超電導直列コイルとの間に位置し、前記第2常電導体並列コイルが、前記超電導直列コイルの外側に位置することを特徴とする請求項1に記載の抵抗型超電導限流器。
- 前記超電導直列コイル及び前記超電導限流素子が、それぞれBi2212超電導バルク、Bi2223線材、YBCO被覆された超電導体のいずれか1つの材料で形成されることを特徴とする請求項1に記載の抵抗型超電導限流器。
- 前記超電導限流素子と前記第1常電導体並列コイルとの間、前記第1常電導体並列コイルと前記超電導直列コイルとの間、及び前記第2常電導体並列コイルと前記超電導直列コイルとの間に充填される電気的絶縁層をさらに含むことを特徴とする請求項1に記載の抵抗型超電導限流器。
- 前記電気的絶縁層が、エポキシ樹脂又はガラス繊維強化プラスチックの層であることを特徴とする請求項1に記載の抵抗型超電導限流器。
- 前記第1常電導体並列コイル及び前記第2常電導体並列コイルの材料が、銅、黄銅、CuNi、Ni合金のいずれか1つであることを特徴とする請求項1に記載の抵抗型超電導限流器。
- 前記抵抗型超電導限流器が、高電圧耐性を向上させるために直列に複数接続されることを特徴とする請求項1に記載の抵抗型超電導限流器。
Applications Claiming Priority (1)
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KR1020050117237A KR100662754B1 (ko) | 2005-12-02 | 2005-12-02 | 초전도 저항형 한류기 |
Publications (2)
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JP2007158292A JP2007158292A (ja) | 2007-06-21 |
JP4620637B2 true JP4620637B2 (ja) | 2011-01-26 |
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Country Status (5)
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US (1) | US7558030B2 (ja) |
JP (1) | JP4620637B2 (ja) |
KR (1) | KR100662754B1 (ja) |
CN (1) | CN100514791C (ja) |
ES (1) | ES2322216B2 (ja) |
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KR100802312B1 (ko) | 2006-10-25 | 2008-02-11 | 엘에스산전 주식회사 | 일체형 고속 스위치 모듈을 구비한 반파 비한류형 초전도한류기 |
KR100803529B1 (ko) | 2006-11-07 | 2008-02-14 | 엘에스산전 주식회사 | 전력 공급 및 차단 장치 |
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- 2006-06-30 US US11/427,816 patent/US7558030B2/en active Active
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JPH05327039A (ja) * | 1992-05-21 | 1993-12-10 | Tokyo Electric Power Co Inc:The | 超電導限流装置 |
JPH05327040A (ja) * | 1992-05-25 | 1993-12-10 | Toshiba Corp | 発電所内開閉装置 |
JPH08222428A (ja) * | 1995-02-16 | 1996-08-30 | Toshiba Corp | 永久電流スイッチ |
JPH08335525A (ja) * | 1995-06-06 | 1996-12-17 | Hitachi Ltd | 限流器とその制御方法 |
JPH09233691A (ja) * | 1996-02-20 | 1997-09-05 | Ngk Insulators Ltd | 過電流保護装置 |
JPH09252147A (ja) * | 1996-03-14 | 1997-09-22 | Tokyo Electric Power Co Inc:The | 限流装置 |
JPH10319134A (ja) * | 1997-05-19 | 1998-12-04 | Matsushita Electric Works Ltd | 磁性物体検出センサー |
JPH1118290A (ja) * | 1997-06-20 | 1999-01-22 | Mitsubishi Electric Corp | 超電導限流装置 |
Also Published As
Publication number | Publication date |
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ES2322216B2 (es) | 2010-06-23 |
CN1976161A (zh) | 2007-06-06 |
US20070127171A1 (en) | 2007-06-07 |
ES2322216A1 (es) | 2009-06-17 |
US7558030B2 (en) | 2009-07-07 |
KR100662754B1 (ko) | 2007-01-02 |
JP2007158292A (ja) | 2007-06-21 |
CN100514791C (zh) | 2009-07-15 |
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