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    • 1. 发明专利
    • Stationary induction apparatus
    • 静电感应装置
    • JP2012222211A
    • 2012-11-12
    • JP2011087820
    • 2011-04-12
    • Mitsubishi Electric Corp三菱電機株式会社
    • KAINAGA SOICHIROTSURIMOTO TAKAOISHIKURA TAKAHIKOMUTO HIROTAKAARAYA KOJIHOSOKAWA NOBORUISHIKAWA KIYOYUKI
    • H01F27/32H01F27/28
    • PROBLEM TO BE SOLVED: To provide a stationary induction apparatus which realizes both high insulation performance and high cooling performance.SOLUTION: A stationary induction apparatus includes: U shaped barrier insulators 9a, 9b, each of which is disposed so as to cover a radial end part of a coil 4 and form a predetermined space between its bottom part and the radial end part of the coil 4; and filling insulators 10a, 10b, 10c, 10d, each of which is disposed in a part of the space and covers one of coil corners 11a, 11b, 11c, 11d existed at the radial end part of the coil 4 in collaboration with the U shaped barrier insulator 9a, 9b. Coil end part passages 12a, 12b where a fluid medium passes are respectively formed at the remaining parts of the spaces.
    • 要解决的问题:提供实现高绝缘性能和高冷却性能的固定式感应装置。 解决方案:固定式感应装置包括:U形阻挡绝缘体9a,9b,其各自设置成覆盖线圈4的径向端部,并在其底部和径向端部之间形成预定的空间 的线圈4; 以及填充绝缘体10a,10b,10c,10d,每个填充绝缘体10a,10b,10c,10d分别设置在该空间的一部分中,并与U形结合地覆盖存在于线圈4的径向端部的线圈角11a,11b,11c, 形阻挡绝缘体9a,9b。 流体介质通过的线圈端部通道12a,12b分别形成在空间的其余部分。 版权所有(C)2013,JPO&INPIT
    • 2. 发明专利
    • Gas-insulated electrical apparatus
    • 气体绝缘电气设备
    • JP2014150630A
    • 2014-08-21
    • JP2013017361
    • 2013-01-31
    • Mitsubishi Electric Corp三菱電機株式会社
    • KAINAGA SOICHIROYOSHIMURA MANABUMIYAMOTO TAKASHITSURIMOTO TAKAO
    • H02B13/055H02B13/02H02G5/06
    • PROBLEM TO BE SOLVED: To provide a gas-insulated electrical apparatus having high insulation reliability, in which a break in an insulation coating does not become a weak point of insulation, even if there is a foreign matter anywhere in a conductive container.SOLUTION: A gas-insulated electrical apparatus 20 includes a ground tank 21, a central conductor 22, and insulation coatings 23 and 24. In the axial direction of the central conductor 22, the minimum value of a distance between a break 25, i.e., the container side connection of an adjacent container side insulation coating part, and a break 26, i.e., the conductor side connection of an adjacent conductor side insulation coating part, is two times or more than the gas insulation distance g, i.e., the distance between the container side insulation coating and the conductor side insulation coating.
    • 要解决的问题:为了提供绝缘可靠性高的气体绝缘电气设备,其中绝缘涂层的断裂不会成为绝缘的弱点,即使导电性容器中存在异物也是如此。解决方案: 气体绝缘电气设备20包括接地槽21,中心导体22和绝缘涂层23和24.在中心导体22的轴向方向上,断路25之间的距离的最小值即容器 相邻容器侧绝缘涂层部分的侧面连接以及相邻导体侧绝缘涂层部分的导体侧连接的断裂26是气体绝缘距离g的两倍或更多,即容器之间的距离 侧绝缘涂层和导体侧绝缘涂层。
    • 3. 发明专利
    • Stationary induction apparatus
    • 静电感应装置
    • JP2014127659A
    • 2014-07-07
    • JP2012285137
    • 2012-12-27
    • Mitsubishi Electric Corp三菱電機株式会社
    • UMEMOTO TAKAHIROKAINAGA SOICHIROTSURIMOTO TAKAOAONO ICHIRO
    • H01F41/12H01F27/12H01F27/32
    • PROBLEM TO BE SOLVED: To suppress insulation destruction by mitigating an electric field applied over all the oil gap while reducing the contact of fluffed fibers of a press board with the oil gap.SOLUTION: A stationary induction apparatus comprises: a core; a plurality of coils formed from windings wound around the core; a tank accommodating the core and the coils therein; insulation oil which fills the inside of the tank and with which the core and the coils are impregnated; a press board 31 disposed between the coils; and unwoven fabric 50 adhered with at least a part of a surface of the press board 31 in contact with the insulation oil, impregnated with the insulation oil, formed from fibers having electric insulation properties, and having a plurality of pores penetrating the unwoven fabric from the front side to the rear side. An average diameter of the pores of the unwoven fabric 50 is equal to or smaller than a diameter of fibers 31c fluffed on the surface of the press board 31.
    • 要解决的问题:通过减少施加在所有油隙上的电场来抑制绝缘破坏,同时减少压板的起毛纤维与油隙的接触。解决方案:固定感应装置包括:芯; 由缠绕在芯上的绕组形成的多个线圈; 容纳所述芯体和所述线圈的容器; 绝缘油,其填充罐的内部并且浸渍有芯和线圈; 布置在线圈之间的压板31; 和粘合有压板31的表面的至少一部分的非织造织物50与绝缘油接触,绝缘油浸渍有由具有电绝缘性的纤维形成的绝缘油,并且具有穿过无纺织物的多个孔 前侧到后方。 非织造织物50的孔的平均直径等于或小于绒毛在压板31的表面上的纤维31c的直径。
    • 4. 发明专利
    • Gas insulation electrical equipment
    • 气体绝缘电气设备
    • JP2013172579A
    • 2013-09-02
    • JP2012035702
    • 2012-02-22
    • Mitsubishi Electric Corp三菱電機株式会社
    • KAINAGA SOICHIROYOSHIMURA MANABUMIYAMOTO TAKASHITSURIMOTO TAKAO
    • H02G5/06H02B13/055
    • H02G5/065
    • PROBLEM TO BE SOLVED: To provide gas insulation electrical equipment which is superior in both an acquiring function for foreign matter and a scatter preventing function for acquired foreign matter.SOLUTION: Gas insulation electrical equipment includes a conductive container 1 filled with an insulation gas, a conductor 2 supported in an insulated state in the conductive container and applied with a high voltage, and a foreign matter trap device 5 comprising a foreign matter trap member 3 installed at a lower part in the conductive container, having a gap portion A with an inner peripheral surface of the conductive container, and electrically connected to the conductive container and a flotation suppression member 4 installed in the gap portion and making foreign matter 6 having entered the gap portion hard to move in a floating direction and easy to move in a gravitational direction.
    • 要解决的问题:提供在异物获取功能和获得的异物的散射防止功能方面优异的气体绝缘电气设备。解决方案:气体绝缘电气设备包括填充有绝缘气体的导电容器1, 导体2在导电性容器内以绝缘状态被支撑并施加高电压;以及异物捕集装置5,其包括安装在导电容器的下部的异物捕获部件3,具有内部的间隙部分A 导电容器的周面,并且与导电性容器电气连接,并且设置在间隙部分中的浮选抑制构件4,使进入间隙部分的异物6难以在浮动方向上移动并且容易沿重力方向移动 。
    • 6. 发明专利
    • Stationary induction unit
    • 静电感应装置
    • JP2014090085A
    • 2014-05-15
    • JP2012239319
    • 2012-10-30
    • Mitsubishi Electric Corp三菱電機株式会社
    • KAINAGA SOICHIROTSURIMOTO TAKAOAONO ICHIROSENDA GIICHIYOKOMAKU TAKAMARU
    • H01F27/28H01F27/02H01F27/12
    • PROBLEM TO BE SOLVED: To provide a stationary induction apparatus superior in workability in arranging lead wires.SOLUTION: The stationary induction apparatus comprises: a plurality of lead wires 7 having coating insulating layers 7ab and 7bb arranged on the outer peripheries of conductors 7aa and 7ba respectively; a lead wire support 9 which binds the plurality of lead wires 7 at one part of the longitudinal direction; a housing 4 which accommodates the plurality of lead wires 7 and the lead wire support 9; and an insulation medium 6 which is filled in the housing 4 and serves also as a cooling medium. The plurality of lead wires 7 are formed of: a first lead wire 7a which faces the lead wire support 9 at the outermost periphery of a bundle of the plurality of lead wires 7; and a second lead wire 7b in which at least one of the thickness of the coating insulating layer 7bb and the diameter of the conductor 7ba is small compared to the first lead wire 7a, and which is positioned at the inner peripheral side from the first lead wire 7a. A flow passage of the insulation medium 6 is provided between the plurality of lead wires 7.
    • 要解决的问题:提供一种在布置引线方面具有优异的可加工性的固定式感应装置。解决方案:固定感应装置包括:多个导线7,其具有布置在导体7aa和7ba的外周上的涂覆绝缘层7ab和7bb 分别; 引线支撑件9,其在纵向方向的一部分处结合多根引线7; 容纳多根引线7和引线支撑体9的壳体4; 以及填充在壳体4中并用作冷却介质的绝缘介质6。 多根引线7由多根引线7的最外周的面向引线支撑体9的第一引线7a形成, 以及第二引线7b,其中涂层绝缘层7bb的厚度和导体7ba的直径中的至少一个与第一引线7a相比较小,并且位于第一引线的内周侧 线7a。 绝缘介质6的流路设置在多根引线7之间。
    • 8. 发明专利
    • Gas insulated electric apparatus
    • 气体绝缘电器
    • JP2013230062A
    • 2013-11-07
    • JP2012102067
    • 2012-04-27
    • Mitsubishi Electric Corp三菱電機株式会社
    • YOSHIMURA MANABUMIYAMOTO TAKASHIKAINAGA SOICHIROMORI TAKESHI
    • H02G5/06H02B13/02
    • PROBLEM TO BE SOLVED: To provide a gas insulated electric apparatus which allows for enhancement in the insulation reliability of an apparatus by relaxing electric field concentration.SOLUTION: The gas insulated electric apparatus includes a closed container constituted by coupling metal flanges at both ends thereof and internally filled with insulating gas, a high voltage conductor disposed in the closed container, an insulation spacer insulating and supporting the high voltage conductor on one side and having the other side disposed between the coupling flanges, a sealing groove formed in the insulation spacer facing the coupling flange and sealing the insulating gas, an O-ring applied to the sealing groove, and a conductive coating formed on the inner surface of the sealing groove and having the same potential as that of the coupling flange.
    • 要解决的问题:提供一种气体绝缘电气设备,其通过放松电场浓度来提高设备的绝缘可靠性。解决方案:气体绝缘电气设备包括:密封容器,其由两端连接金属凸缘和 内部填充有绝缘气体,设置在密闭容器中的高压导体,绝缘间隔件,其绝缘并在一侧上支撑高压导体,并且另一侧设置在联接凸缘之间;密封槽,形成在绝缘垫片中,面向 连接凸缘并密封绝缘气体,施加到密封槽的O形环和形成在密封槽的内表面上并具有与联接凸缘相同的电位的导电涂层。