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    • 2. 发明专利
    • Cooling device of superconducting coil
    • 超导线圈冷却装置
    • JP2006128465A
    • 2006-05-18
    • JP2004316128
    • 2004-10-29
    • Chubu Electric Power Co IncToshiba Aitekku KkToshiba Corp中部電力株式会社東芝アイテック株式会社株式会社東芝
    • SHIMADA MAMORUKURIYAMA TORUNAGAYA SHIGEOHIRANO NAOKINAKAMOTO KAZUNARIOGATA TAISEISHIMADA KAZUTO
    • H01F6/04
    • PROBLEM TO BE SOLVED: To provide a superconducting coil cooling device which is capable of removing thermal load efficiently from a forced cooling superconducting coil that uses a cable-in-conduit conductor so as to improve the superconducting coil in the cooling capability and markedly shortening the pre-cooling time required for making the superconductive coil reach the superconducting state at a prescribed cryogenic temperature. SOLUTION: The superconducting coil cooling device cools down the superconducting coil, through such a manner where a cooling medium is made to flow on the inside the coil conductor. The cooling device is equipped with a first heat exchanger 7, which makes a heat exchange between the first cooling medium fed from a refrigerator 5 and the other first cooling medium that receives a thermal load from the superconducting foils 3 and 3, and a second heat exchanger 10 which conducts heat exchanging between a second cooling medium fed from a cooling medium source 11, other than a first cooling medium system and the first cooling medium discharged from the first heat exchanger 7. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种超导线圈冷却装置,其能够有效地从使用电缆导管导体的强制冷却超导线圈去除热负荷,以便改善超导线圈的冷却能力, 显着缩短了使超导线圈在规定的低温下达到超导状态所需的预冷时间。 解决方案:超导线圈冷却装置通过使冷却介质在线圈导体内部流动的方式冷却超导线圈。 冷却装置配备有第一热交换器7,其在从冷藏库5供给的第一冷却介质和从超导箔3和3接收热负荷的另一第一冷却介质之间进行热交换,第二热量 交换器10,其在从第一冷却介质系统之外的冷却介质源11供给的第二冷却介质与从第一热交换器7排出的第一冷却介质之间进行热交换。(C)2006,JPO&NCIPI
    • 3. 发明专利
    • Superconducting conductor
    • 超导体导体
    • JP2003077349A
    • 2003-03-14
    • JP2001262795
    • 2001-08-31
    • Chubu Electric Power Co IncToshiba Corp中部電力株式会社株式会社東芝
    • HANAI SATORUSHIMADA MAMORUNAGAYA SHIGEOHIRANO NAOKI
    • H01B12/08
    • Y02E40/641
    • PROBLEM TO BE SOLVED: To provide a superconducting conductor composed as a highly complex structure of a stranded wire formed by winding a stabilizing wire around a superconducting strands, housing the highly complex stranded wire in a conduit of welded structure, enabled to reduce the heat value and improve the superconducting stability without increasing alternating current loss, enduring a big electromagnetic field, suitable for the use of an intense magnetic field and a large current capacity. SOLUTION: A sub conductor 4 is formed by twisting a plurality of pieces of superconducting strands 1 formed by bundling many pieces of superconducting filaments, and twisting a plurality of stabilizing wires 3 around the above. A highly complex strand wire 6 is formed by twisting a plurality of sub conductors 4. At least one piece of wire out of the stabilizing wires 3 is turned into a high resistance metal wire or an insulation wire, and another wires are turned into the superconductor.
    • 要解决的问题:为了提供一种超导体导体,其构成为通过将稳定导线围绕超导绞线卷绕而形成的绞线的高度复杂结构,将高度复杂的绞合线容纳在焊接结构的导管中,能够降低热值 提高超导稳定性,不增加交流损耗,耐大电磁场,适用于强磁场和大电流容量的使用。 解决方案:副导体4通过将多根超导细丝捆扎而形成的多条超导线1缠绕在一起形成,并将多根稳定丝3绕上述扭转。 通过扭转多个子导体4来形成高度复杂的绞合线6.至少一根由稳定线3引出的线变成高电阻金属线或绝缘线,而另一条线变成超导体 。
    • 6. 发明专利
    • Apparatus for detecting quenching of superconductive current lead
    • 用于检测超导电流源的检测装置
    • JP2006126088A
    • 2006-05-18
    • JP2004317038
    • 2004-10-29
    • Chubu Electric Power Co IncToshiba Corp中部電力株式会社株式会社東芝
    • YAMASHITA YASUHIROSHIMADA MAMORUKURUSU TSUTOMUSHIMADA KAZUTONAGAYA SHIGEOHIRANO NAOKI
    • G01R31/00G01R19/165G01R31/02H01F6/00H01F6/02
    • PROBLEM TO BE SOLVED: To provide an apparatus for detecting quenching of a superconductive current lead, which can accurately detect the quenching of the superconductive current lead by surely generating a normal conduction transfer, even under such a condition that energization current is varied. SOLUTION: The apparatus for detecting the quenching of the superconductive current lead is equipped with a voltage measuring device 15 for measuring a voltage value at a voltage tap 14; a current measuring device 17 for measuring a value of current flowing in the superconductive current lead 12; a voltage drop calculating device 18 which calculates a voltage drop value at an electrode 13, based on the current value measured by the current measuring device 17; a normal conduction voltage calculating device 19 which calculates a voltage value of the superconductive current lead 12, based on the voltage value measured by the voltage measuring device 15 and the voltage drop value calculated by the voltage drop calculating device 18; and a normal conduction voltage detecting device 20 which issues a shutoff command to a power source for excitation 11 when the voltage value calculated by the normal conduction voltage calculating device 19 continues for a predetermined period of time or more. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于检测超导电流引线的淬火的装置,即使在通电电流变化的条件下,也可以通过确保产生正常的导电传输来精确地检测超导电流引线的淬火 。 解决方案:用于检测超导电流引线的淬火的装置装备有用于测量电压抽头14的电压值的电压测量装置15; 用于测量在超导电流引线12中流动的电流值的电流测量装置17; 电压降计算装置18,其基于由电流测量装置17测量的电流值来计算电极13处的电压降值; 基于由电压测量装置15测量的电压值和由电压降计算装置18计算的电压降值,计算超导电流引线12的电压值的正常导通电压计算装置19; 以及正常导通电压检测装置20,当由正常导通电压计算装置19计算的电压值持续预定的时间或更长时间时,向激励电源11发出切断命令。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Instantaneous voltage drop compensator and compensating method
    • 瞬态电压补偿器和补偿方法
    • JP2005143195A
    • 2005-06-02
    • JP2003376322
    • 2003-11-05
    • Chubu Electric Power Co IncToshiba Corp中部電力株式会社株式会社東芝
    • NAGAYA SHIGEOHIRANO NAOKIIOKA SHIGERUKAWASHIMA SHUICHIHANAI SATORU
    • H02J3/12
    • Y02E40/60
    • PROBLEM TO BE SOLVED: To provide an instantaneous voltage drop compensator and compensating method capable of performing instantaneous voltage drop compensation surely upon occurrence of quenching during instantaneous voltage drop compensation without setting a large tolerance of a superconducting coil.
      SOLUTION: Upon occurrence of instantaneous voltage drop in a power system 10, an instantaneous voltage drop detection signal is outputted from an instantaneous voltage drop detecting circuit 55. When an instantaneous voltage drop detection signal is outputted from the instantaneous voltage drop detecting circuit 55, an instantaneous voltage drop compensation control circuit 50 controls a discharge circuit 52 to discharge electric energy stored in a superconducting coil 30 to a load 20 while converting into a voltage of a specified frequency. When a quench detection signal is outputted from a quench detecting circuit 42, a quench control circuit 40 discharge electric energy stored in the superconducting coil 30 through a protective resistor 41b. During a period when the instantaneous voltage drop detection signal is outputted from the instantaneous voltage drop detecting circuit 55, the quench control circuit 40 stops quench protective operation.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供瞬时电压降补偿器和补偿方法,其能够在瞬时压降补偿期间发生淬火时确定地执行瞬时电压降补偿,而无需设置超导线圈的大容差。 解决方案:在电力系统10中发生瞬时电压降时,瞬时电压降检测信号从瞬时电压降检测电路55输出。当瞬时电压降检测信号从瞬时电压降检测电路输出时 如图55所示,瞬时电压降补偿控制电路50控制放电电路52将存储在超导线圈30中的电能放电到负载20,同时转换成指定频率的电压。 当从骤冷检测电路42输出淬火检测信号时,骤冷控制电路40通过保护电阻41b排出存储在超导线圈30中的电能。 在从瞬时电压降检测电路55输出瞬时电压降检测信号的期间,骤冷控制电路40停止急冷保护动作。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Coil device, protecting apparatus and induction voltage suppressing method
    • 线圈装置,保护装置和感应电压抑制方法
    • JP2011029227A
    • 2011-02-10
    • JP2009170229
    • 2009-07-21
    • Chubu Electric Power Co Inc中部電力株式会社
    • HIGASHIKAWA KOHEISHIKIMACHI KOJINAGAYA SHIGEONAGATA TATSUYAHIRANO NAOKI
    • H01F6/02
    • PROBLEM TO BE SOLVED: To provide a coil device, a protecting apparatus and an induction voltage suppressing method, capable of suppressing an induction voltage generated on a main coil in interruption of conduction current. SOLUTION: The coil device 1 includes a main coil 101 to which a first current is supplied, a breaker 205 for interrupting the first current from being applied to the main coil, and a protecting coil 103 magnetically coupled to the main coil. When making positive determination to interrupt the first current, the coil device 1 executes a changing operation for increasing the quantity of the second current than in negative determination, and executes interruption of the first current after the execution of the changing operation. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种线圈装置,保护装置和感应电压抑制方法,其能够抑制在导通电流中断时在主线圈上产生的感应电压。 解决方案:线圈装置1包括供给第一电流的主线圈101,用于中断第一电流的断路器205施加到主线圈,以及与主线圈磁耦合的保护线圈103。 当作出中断第一电流的肯定确定时,线圈装置1执行用于增加第二电流的量的改变操作,而不是在否定确定中,并且在执行改变操作之后执行第一电流的中断。 版权所有(C)2011,JPO&INPIT