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    • 8. 发明专利
    • Superconducting coil of induction apparatus for power
    • 电力感应装置的超导线圈
    • JP2013131689A
    • 2013-07-04
    • JP2011281523
    • 2011-12-22
    • Kyushu Electric Power Co Inc九州電力株式会社Fuji Electric Co Ltd富士電機株式会社
    • HAYASHI HIDEMIOKAMOTO HIROSHIBONO TAKAAKITOMIOKA AKIRAKAGAMI SHUHEIKONNO MASAYUKI
    • H01F36/00H01B3/30H01B7/02H01F6/04H01F6/06H01L39/04
    • Y02E40/66
    • PROBLEM TO BE SOLVED: To provide a superconducting coil improved to maintain a predetermined insulation performance by preventing deterioration of a dielectric strength due to air bubbles even during energizing an excessive current by restraining the air bubbles on an outer peripheral side of the superconducting coil as much as possible while securing high heat removal and cooling performances by liquid nitrogen.SOLUTION: In a superconducting coil immersed and cooled in liquid nitrogen, a spiral coil groove 4a is formed on an outer periphery of a cylindrical reel 4, and a tape-like high temperature superconducting wire 5 is wound in the groove. A spiral cooling duct 4c set to groove width narrower than that of the coil groove is formed on an inside diameter side along the spiral coil groove 4a, and an insulation tape 15 impregnated with resin is wound to tightly cover an entire outer periphery of the reel 4 including the superconducting wire 5. Heat generated by the superconducting wire 5 is removed and cooled by the liquid nitrogen circulating in a cooling duct 4c on the inside diameter side, so as to restrain air bubbles on the outer periphery side covered with the insulation tape 15 and maintain a predetermined insulation performance.
    • 要解决的问题:为了提供一种改进的超导线圈,通过防止由于气泡引起的介电强度的劣化,即使在通过限制超导线圈的外周侧上的气泡的过多电流而导致过大的电流的恶化的同时,也能保持预定的绝缘性能 同时通过液氮确保高的除热和冷却性能。解决方案:在液氮中浸入和冷却的超导线圈中,在圆柱形卷轴4的外周上形成螺旋线圈槽4a,并且带状高 温度超导线5缠绕在槽中。 在螺旋形线圈槽4a的内径侧形成设置为比线圈槽窄的槽宽的螺旋形冷却管道4c,并且浸渍有树脂的绝缘带15被卷绕以紧紧地覆盖卷轴的整个外周 包括超导线5.超导线5产生的热量通过在内径侧的冷却管道4c中循环的液氮而被除去并冷却,以便限制被绝缘带覆盖的外周侧的气泡 并保持预定的绝缘性能。
    • 9. 发明专利
    • Cooling device of superconductive coil
    • 超导线圈冷却装置
    • JP2006105533A
    • 2006-04-20
    • JP2004294896
    • 2004-10-07
    • Kobe Steel LtdKyushu Electric Power Co Inc九州電力株式会社株式会社神戸製鋼所
    • HAYASHI HIDEMINAGABUCHI HISASHITERAZONO KANICHIKAWASHIMA IWAOMIURA SHINICHISASAKI OSAMU
    • F25B9/02F25D3/10H01F6/04H01L39/04
    • PROBLEM TO BE SOLVED: To arrest or effectively delay sudden stoppage of a refrigerant compressor or opening of a safety valve, which is resulted from a pressure fluctuation involved by quenching in a superconductive coil. SOLUTION: A refrigerant discharged from the refrigerant compressor is cooled in a cooling box 16, supplied into the superconductive coil 12 within a cryostat 10 through a refrigerant supply passage 18, and then returned to the refrigerant compressor through a refrigerant return passage 20. In the cooling box 16 or in the cryostat 10, an upstream side pressure buffer 44 absorbing the pressure fluctuation within the refrigerant supply passage 18 by quenching in the coil 12 is provided to arrest or delay the sudden stoppage of the refrigerant compressor or opening of the safety valve 40 resulted from the pressure fluctuation. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:阻止或有效地延迟制冷剂压缩机的突然停止或安全阀的打开,这是由于在超导线圈中淬火引起的压力波动。 解决方案:从制冷剂压缩机排出的制冷剂在冷却箱16中冷却,冷却箱16通过制冷剂供给通道18供给到低温恒温器10内的超导线圈12中,然后通过制冷剂返回通路20返回到制冷剂压缩机 在冷却箱16或低温恒温器10中,设置有通过在线圈12中淬火而吸收制冷剂供给通路18内的压力波动的上游侧压力缓冲器44,以阻止或延迟制冷剂压缩机的突然停止 安全阀40由于压力波动而产生。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • CURRENT LEAD FOR SUPERCONDUCTING DEVICE
    • JPH0927415A
    • 1997-01-28
    • JP25846995
    • 1995-10-05
    • KYUSHU ELECTRIC POWERFUJI ELECTRIC CO LTD
    • IRIE FUJIOHAYASHI HIDEMIIMAYOSHI TADATOSHIBONO TAKAAKISAKAKI KIYOSHIKONNO MASAYUKITOMIOKA AKIRA
    • H01L39/06H01F6/00
    • PROBLEM TO BE SOLVED: To obtain a low heat penetration current lead which can carry another current without rising the temperature of a superconducting device to room temperature or replacing the breakage even when a high temperature oxide superconductive body, to be used as a conductor of a low temperature side lead, breaks and become incapable of carrying current in response to the normal conduction breakdown of a high temperature oxide superconducting body used as the conductor of a low temperature side conductor. SOLUTION: A series-connected body is formed by conductively connecting a high- temperature side lead 13, having good-conductive metal as a conductor, and a low temperature side lead 12, having a high temperature oxide superconducting body on which a low temperature terminal 15 is connected to low temperature end, and a parallel connected body with the low temperature side lead 12 is formed by connecting a superconducting conductor 18, consisting of a metal superconducting conductor or a chemical superconducting conductor, between the intermediate connected body 14 and the low temperature terminal 15. When the low temperature side lead 12 is broken and becomes incapable of carrying current, the superconducting conductor is brought into the conductive state by increasing the flow rate of hellium gas for cooling, and a current is allowed to flow.