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    • 2. 发明专利
    • Superconducting current-limiting device
    • 超导电流限制器件
    • JP2012199440A
    • 2012-10-18
    • JP2011063351
    • 2011-03-22
    • Toshiba Corp株式会社東芝
    • KOYAMA HIROSHIHOSHINA KOICHI
    • H01F6/06H01L39/16H02H9/02
    • Y02E40/69
    • PROBLEM TO BE SOLVED: To maintain high insulation performance between turns without permitting bubbles which occur on current-limiting operation to bridge the turns of a superconducting coil.SOLUTION: A thin film-like superconducting wire rod is wound for a plurality of times on an outer peripheral face of a cylindrical insulator bobbin in a sequential concentric spiral shape along an axial direction without making multiple layers, and is constituted of a plurality of coils different in diameters. The superconducting coils arranged in a concentric circle by leaving prescribed insulation space are stored in a heat insulation container with a coolant in the superconducting current-limiting device. A center axis of the superconducting coil is arranged to become horizontal and the center axes of the plurality of superconducting coils constituted in the concentric circle are decentered downward without adjusting the center axes. The superconducting coils are arranged so that upper spaces between the plurality of superconducting coils become wider than the lower spaces.
    • 要解决的问题:为了保持匝间的高绝缘性能,不允许在限流操作中发生的气泡来桥接超导线圈的匝数。 解决方案:薄膜状超导线材在圆筒形绝缘体线轴的外周面上沿着轴向以顺序同心螺旋形状缠绕多次,而不形成多层,并且由 多个直径不同的线圈。 通过留出规定的绝缘空间而布置在同心圆中的超导线圈被存储在具有超导限流装置中的冷却剂的隔热容器中。 超导线圈的中心轴布置为水平的,并且在同心圆中构成的多个超导线圈的中心轴向下偏心,而不调节中心轴线。 超导线圈被布置成使得多个超导线圈之间的上部空间比下部空间变宽。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Cryogenic bushing structure
    • 低温布置结构
    • JP2010153211A
    • 2010-07-08
    • JP2008330065
    • 2008-12-25
    • Toshiba Corp株式会社東芝
    • KOYAMA HIROSHIHOSHINA KOICHI
    • H01B17/26H01F6/00H01L39/04
    • PROBLEM TO BE SOLVED: To provide a cryogenic bushing structure for high-voltage application, the structure hardly inducing peeling and cracks in an insulator regardless of immersion of the insulator in a cryogenic liquid and being hardly influenced by bubbles generated from superconductive equipment. SOLUTION: The cryogenic bushing structure has a high-voltage conductor 2, a solid insulator 3 disposed to surround the high-voltage conductor 2, a plurality of concentric intermediate electrodes 12 disposed in the solid insulator 3, and a cryogenic container 17 containing a lower part of the solid insulator 3, wherein the cryogenic bushing structure is characterized in that at least one concentric groove 13 is formed between the plurality of intermediate electrodes 12 located on lower parts of the solid insulator 3. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供用于高电压施加的低温套管结构,该结构几乎不引起绝缘体中的剥离和裂纹,而不管绝缘子浸入低温液体中并且几乎不受超导设备产生的气泡的影响 。 解决方案:低温套管结构具有高压导体2,设置成围绕高压导体2的固体绝缘体3,设置在固体绝缘体3中的多个同心中间电极12和低温容器17 包含固体绝缘体3的下部,其中低温衬套结构的特征在于,在位于固体绝缘体3的下部的多个中间电极12之间形成至少一个同心凹槽13。 C)2010,JPO&INPIT
    • 4. 发明专利
    • COMPOUND INSULATION TYPE GAS-INSULATED
    • JP2002152927A
    • 2002-05-24
    • JP2000343032
    • 2000-11-10
    • TOSHIBA CORP
    • HOSHINA KOICHISATO MASAYUKI
    • H02B13/02H02G5/06
    • PROBLEM TO BE SOLVED: To provide a high-reliability composite insulation-type gas-insulated switchgear whose dielectric breakdown is prevented, and whose insulation performance will not deteriorate, even if foreign metallic substances adhere, by increasing creeping distances of insulators between a high-voltage conductor and a metallic container, without increase in the size. SOLUTION: High-voltage conductors 1 for causing current to flow are inserted into metallic containers 2 filled with an insulating gas 40, and are insulated and supported with support insulators 3. Insulating coatings 6 are formed on the external surfaces of the high-voltage conductors 1. Insulating coatings 7 are formed on the internal surfaces of the metal containers 2. The creeping distance L1 from a cut of insulating coatings 6 which corresponds to the connection of high-voltage conductors 1, up to the contact between a high-voltage conductor 1 and a supporting insulator 3, is set longer than the distance g of the gas space between the high-voltage conductors 1 and the metal containers 2. The creeping distance L2 from a cut of insulating coatings which corresponds to the connection of metal containers 2, up to the contact between a high-voltage conductor 1 and a support insulator 3, is set longer than the distance g of the gas space between the high-voltage conductors 1 and the metal containers 2.
    • 5. 发明专利
    • Superconducting current limiter
    • 超导电流限制
    • JP2013247731A
    • 2013-12-09
    • JP2012118589
    • 2012-05-24
    • Toshiba Corp株式会社東芝
    • KOYAMA HIROSHIHOSHINA KOICHIARAOKA NOBUTAKA
    • H02H9/02H01F6/06H01F29/04
    • Y02E40/69
    • PROBLEM TO BE SOLVED: To provide a superconducting current limiter in which degradation of insulation performance can be minimized even during current limit operation.SOLUTION: A plurality of superconducting coils 5 formed by winding a superconducting wire 2 a plurality of turns, without overlapping, on the outer peripheral surface of a cylindrical insulating spool 3 in the axial direction of the spool are prepared while changing the external diameter of the spool 3, and they are arranged concentrically in the order of the external diameter while spaced apart by a predetermined insulation space thus obtaining a current limit element 1. In a superconducting current limiter 10 placed in a heat insulation container 9 filled with a cooling medium 8, a set of adjoining superconducting coils 5 are wound to have winding directions opposite from each other thus forming a noninductive winding coil. Furthermore, from the superconducting coil 5-1 of the outermost layer to the superconducting coil 5-n of the innermost layer are connected in series.
    • 要解决的问题:提供一种超导电流限制器,其中绝缘性能的降低甚至可以在电流限制操作期间被最小化。解决方案:多个超导线圈5,其通过将超导线2缠绕多个匝而不重叠而形成 在改变卷轴3的外径的同时准备圆柱形绝缘卷轴3在卷轴的轴向上的外周面,并且它们以外径的顺序同心地布置,同时隔开预定的绝缘空间,因此 获得电流限制元件1.在放置在填充有冷却介质8的隔热容器9中的超导限流器10中,缠绕一组邻接的超导线圈5以使绕组方向彼此相反,从而形成非导电绕组线圈 。 此外,从最外层的超导线圈5-1到最内层的超导线圈5-n串联连接。
    • 6. 发明专利
    • Gas insulation switchgear and gas insulation bus
    • 气体绝缘开关和气体绝缘总线
    • JP2013172561A
    • 2013-09-02
    • JP2012035267
    • 2012-02-21
    • Toshiba Corp株式会社東芝
    • YASUOKA TAKAMICHIHOSHINA KOICHISHIMAMURA AKIRASHIIKI MOTOHARU
    • H02G5/06H02B13/02
    • H02G5/068
    • PROBLEM TO BE SOLVED: To provide a gas insulation switchgear that is enhanced in insulation performance and insulation reliability, and its gas insulation bus.SOLUTION: A gas insulation switchgear supports a high-voltage conductor 1 supported by a support body 3 in a sealed container 2 in which an insulation gas 4 is charged. An electrolytic relief shield 5 as an insulator is interposed between the support body 3 and high-voltage conductor 1. A conductive layer 10 electrically connected to the high-voltage conductor 1 is formed on a surface of the electrolytic relief shield 5 which faces the high-voltage conductor 1. Alternatively, an end shield 6 as an insulator is interposed between a cable run end of the high-voltage conductor 1 and the sealed container 2. A conductor layer 10 electrically connected to the high-voltage conductor 1 is formed on a surface of the end shield 6 which faces the cable run end.
    • 要解决的问题:提供提高绝缘性能和绝缘可靠性的气体绝缘开关装置及其绝缘母线。解决方案:气体绝缘开关装置支撑由密封容器中的支撑体3支撑的高压导体1 2,其中绝缘气体4被充电。 在支撑体3和高电压导体1之间插入作为绝缘体的电解浮雕屏蔽5.电连接到高电压导体1的导电层10形成在电解浮雕屏5的面向高电压的表面上 电压导体1.或者,作为绝缘体的端盖6插入在高压导体1的电缆行程端和密封容器2之间。电连接到高压导体1的导体层10形成在 端盖6的面向电缆行程端的表面。
    • 7. 发明专利
    • Capacitor unit and gas-insulated circuit breaker
    • 电容器和气体绝缘断路器
    • JP2012256708A
    • 2012-12-27
    • JP2011128766
    • 2011-06-09
    • Toshiba Corp株式会社東芝
    • SATO MASAYUKIHOSHINA KOICHISHIRAI HIDEAKI
    • H01G2/10
    • PROBLEM TO BE SOLVED: To provide a capacitor unit which can minimize deterioration of insulation performance by easing the high electric field of a triple junction, and to provide a gas-insulated circuit breaker using the same.SOLUTION: In a capacitor unit where a capacitor laminate 1' consisting of capacitor elements 1-1connected in series is housed in an insulation tube 3, and both ends of the capacitor laminate 1' are connected with an electrostatic shield electrode 4 via a connection electrode 2, concentric circular ring electrodes 8 are formed internally at both ends of the insulation tube 3 and connected with the electrostatic shield electrode 4 by means of a connection metal 9. Axial location of the ring electrode 8 is closer to the axially central part C of the insulation tube 3 than the tip of the connection electrode(position of sign 6).
    • 要解决的问题:提供一种电容器单元,其可以通过减轻三重结的高电场来最小化绝缘性能的劣化,并提供使用其的气体绝缘断路器。 解决方案:在电容器单元中,电容器层叠体1'由电容器元件1 1 -1 n 串联安装在绝缘管3中,电容器层叠体1'的两端通过连接电极2与静电屏蔽电极4连接,在绝缘管3的两端内部形成有同心圆环电极8, 与静电屏蔽电极4通过连接金属9连接。环形电极8的轴向位置比绝缘管3的轴向中心部分C更靠近连接电极的顶端(符号6的位置)。 版权所有(C)2013,JPO&INPIT