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    • 1. 发明专利
    • Gas-in-oil diagnostic equipment
    • 气体诊断设备
    • JP2006147656A
    • 2006-06-08
    • JP2004332147
    • 2004-11-16
    • Mitsubishi Electric Corp三菱電機株式会社
    • KONDO KATSUZOIDEMARU TOSHIKI
    • H01F29/04
    • PROBLEM TO BE SOLVED: To provide gas-in-oil diagnostic equipment which diagnoses the status of an electric apparatus in oil, by detecting acetylene dissolved in an insulation oil inside the electric apparatus in oil which is equipped with a switch box and distinguishing between a precursor phenomenon of a major accident and a float phenomenon. SOLUTION: The gas-in-oil diagnostic equipment diagnoses the status of the electric apparatus in oil by analyzing acetylene dissolved in the insulation oil inside the electric apparatus in oil wherein the wiring is switched by the switch box. The equipment includes an operation counter which counts the number of operations of the switch box; a gas-in-oil analyzer which detects an amount of acetylene dissolved in the insulation oil inside the electric apparatus in oil; and a diagnostic device which compares the detected amount of acetylene with a reference value which is a product of an amount of acetylene generated when the switch gear operates one time and the wiring is switched one time which is found in advance and the number of operations of the switch gear, and determines that the precursor phenomenon of a major accident has occurred when the detected amount of acetylene exceeds the reference value. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过检测溶解在配备有开关盒的油中的电气设备内的绝缘油中的乙炔来提供诊断油中电气设备状态的油包油诊断设备,以及 区分重大事故的前兆现象和浮动现象。 解决方案:油包油诊断设备通过分析溶解在油中的电气设备中的绝缘油中的乙炔来分析油中的电气设备的状态,其中通过开关盒切换接线。 该设备包括对开关盒的操作次数进行计数的操作计数器; 油分析装置,其检测溶解在油中的电气设备内的绝缘油中的乙炔的量; 以及诊断装置,其将检测到的乙炔量与基准值进行比较,所述基准值是当开关齿轮一次运行时产生的乙炔量与预先找到的布线一次的乘积的乘积和基准值, 开关齿轮,并且当检测到的乙炔量超过参考值时,确定发生了重大事故的前兆现象。 版权所有(C)2006,JPO&NCIPI
    • 2. 发明专利
    • On-site assembly house for electric apparatus
    • 现场组装电气设备
    • JP2011253872A
    • 2011-12-15
    • JP2010125618
    • 2010-06-01
    • Mitsubishi Electric Corp三菱電機株式会社
    • IDEMARU TOSHIKISHINKAI HIROSHI
    • H01F27/02E04H5/02H01F41/00
    • PROBLEM TO BE SOLVED: To provide an on-site assembly house for electric apparatus, capable of easily conveying an assembled power transformer from an assembly room, without a large-sized structure.SOLUTION: The on-site assembly house includes: an assembly room 110 for assembling an electric apparatus; and a front room 120 provided adjacent to the assembly room 110, for storing configuration components of the electric apparatus. The on-site assembly house further includes: a first track 130 having two first linear-shaped portions 131, 132, placed mutually in parallel, penetrating through the front room 120 and the assembly room 110; and a pair of conveyer units running on the first track 130, for conveying the configuration components by holding them in a sandwiched manner between the conveyer units. Further, the on-site assembly house includes: a second track 400 having two mutually parallel second linear-shaped portions 431, 432 that are connected to the end portion of the first track 130 located on the opposite side to the front room 120. The second track 400 is movable to a retraction position 600, not causing an obstacle when the assembled electric apparatus is conveyed out of the assembly room 110, in a separate manner from the first track 130 in a state that one of the pair of conveyer units is loaded.
    • 要解决的问题:提供一种用于电气设备的现场组装房屋,能够容易地从组装室输送组装的电力变压器,而不需要大型结构。

      解决方案:现场组装房包括:组装电器的组装室110; 以及与组装室110相邻设置的用于存储电气设备的构造部件的前室120。 现场组装房还包括:第一轨道130,其具有彼此平行放置的穿过前房120和组装室110的两个第一直线状部分131,132; 以及在第一轨道130上运行的一对输送单元,用于通过将它们夹持在输送单元之间来传送配置部件。 此外,现场组装室包括:具有两个相互平行的第二直线状部分431,432的第二轨道400,第二轨道400连接到位于与前房120相对的一侧的第一轨道130的端部。 第二轨道400可移动到缩回位置600,当组合的电气设备在组合室110中的一个传送单元之一以下的状态下以与第一轨道130分开的方式被输出组合室110时不会产生障碍 加载。 版权所有(C)2012,JPO&INPIT

    • 3. 发明专利
    • Electric apparatus
    • 电器
    • JP2006032651A
    • 2006-02-02
    • JP2004209336
    • 2004-07-16
    • Mitsubishi Electric CorpToshiba Corp三菱電機株式会社株式会社東芝
    • KONDO KATSUZOMIYAMOTO TAKEHISAIDEMARU TOSHIKI
    • H01F27/12H01F27/20
    • PROBLEM TO BE SOLVED: To provide an electric apparatus capable of overload operation in a state where discharge due to a flow charging phenomenon does not occur. SOLUTION: There are provided an electric apparatus body wherein an iron core and a winding are received in a tank and the tank is filled with an insulating medium, a cooling apparatus for cooling the electric apparatus body by circulating the insulating medium in the electric apparatus body, a cooling control unit for controlling the cooling apparatus, and an insulating medium temperature detecting means for detecting the temperature of the insulating medium in the electric apparatus body. In the cooling control unit, a dischargeless region upper limit flow rate temperature characteristic is stored as specific to the electric apparatus which does not give rise to electrostatic discharge caused by the flow charging phenomenon. An insulating medium circulation flow rate increasing means is provided in an insulating medium circuit so that, when the insulating medium temperature detected by the temperature detecting means exceeds a predetermined value in an overload state, the flow rate of the insulating medium circulating is increased between the interior of the electric apparatus and the cooling apparatus by the insulating medium circulation flow rate increasing means from the flow rate in a steady state to the flow rate, corresponding to the insulating medium temperature detected by the temperature detecting means which is in the range not exceeding the dischargeless region upper limit flow rate. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种在不发生由于流动充电现象引起的放电的状态下能够进行过载操作的电气设备。 解决方案:提供了一种电气设备体,其中铁芯和绕组被容纳在罐中,并且罐中填充有绝缘介质,冷却装置用于通过使绝缘介质循环在冷却装置主体中 电气设备主体,用于控制冷却装置的冷却控制单元,以及用于检测电气设备主体中的绝缘介质的温度的绝缘介质温度检测装置。 在冷却控制单元中,将无排出区域上限流量温度特性存储为不会引起由流动充电现象引起的静电放电的电气设备。 绝缘介质循环流量增加装置设置在绝缘介质回路中,使得当温度检测装置检测到的绝缘介质温度超过过载状态下的预定值时,循环的绝缘介质的流量在 电气设备的内部和冷却装置通过绝缘介质循环流量增加装置从稳定状态的流量到流量,对应于温度检测装置检测到的绝缘介质温度在不超过 无排水区域上限流量。 版权所有(C)2006,JPO&NCIPI
    • 4. 发明专利
    • Transportation assembly method of upper tank in disassembled transport transformer and the disassembled transport transformer
    • 拆卸式运输变压器和拆卸式运输变压器的上游箱运输组装方法
    • JP2012104777A
    • 2012-05-31
    • JP2010254521
    • 2010-11-15
    • Mitsubishi Electric Corp三菱電機株式会社
    • KONNO TOMONORIIDEMARU TOSHIKI
    • H01F27/02H01F41/00
    • PROBLEM TO BE SOLVED: To transport and assemble a divided upper tank maintaining the upper tank in a clean state.SOLUTION: A transportation assembly method includes a step (S110) in which first transportation covers, facing undivided side wall parts, are attached to inner wall parts of a ceiling part which continue into divided surfaces and a step (S120) in which second transportation covers, facing the ceiling part, are attached to lower surfaces of the side wall parts. Further, the transportation assembly method includes a step (S130) in which a first upper tank and a second upper tank are respectively transported with closed spaces sealed and a step (S150) in which the first upper tank and the second upper tank are joined to each other with the divided surface of the first upper tank and the divided surface of the second upper tank closely contacted after the above transportation step. Furthermore, the transportation assembly method includes a step (S160) in which the first upper tank and the second upper tank which are joined to each other are transported to the interior of a clean room after the above joining step and a step (S170) in which the first transportation cover and the second transportation cover are removed in the clean room.
    • 要解决的问题:运输和组装保持上部箱体处于清洁状态的分开的上部罐。 解决方案:一种运输组装方法包括步骤(S110),其中第一运输覆盖物面向未分开的侧壁部分,附接到继续分成表面的顶板部分的内壁部分;以及步骤(S120),其中 面向天花板部分的第二运输覆盖物附接到侧壁部分的下表面。 此外,运输组装方法包括步骤(S130),其中第一上部箱和第二上箱分别以封闭空间密封运输,第一上箱和第二上箱接合的步骤(S150) 在上述运输步骤之后,第一上部箱的分割表面和第二上部箱的分割表面彼此紧密接触。 此外,运输组装方法包括步骤(S160),其中在上述接合步骤之后彼此连接的第一上部箱和第二上箱被运送到洁净室的内部,并且步骤(S170)在 第一运输盖和第二运输盖在洁净室中被移除。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Cooling system for oil-filled electric equipment
    • 用于填充电气设备的冷却系统
    • JP2003347126A
    • 2003-12-05
    • JP2002149451
    • 2002-05-23
    • Mitsubishi Electric Corp三菱電機株式会社
    • IDEMARU TOSHIKI
    • H01F27/12H01F27/14
    • PROBLEM TO BE SOLVED: To provide a cooling system for oil-filled electric equipment that functions effectively in both high- and low-temperature regions of insulating oil. SOLUTION: The cooling system is constituted to cool oil-filled electric equipment by providing an upper connection pipe 13 and a lower connection pipe 12 on the side face of its main body tank 1 which houses a coil 2 and a core 3 and is filled with insulating oil 5 and making the vertical dimension of the opening of the upper connection pipe 13 almost equal to the difference (H1-H2) between the surface level H1 of the insulating oil 5 when the oil 5 is at the highest temperature and that H2 of the oil 5 when the oil 5 is at the lowest temperature. In addition, the height of the upper surface of the opening is made almost equal to the surface level H1 of the oil 5 when the oil 5 is at the highest temperature and the oil 5 is circulated to a radiator 14 connected to the tank 1 through the connection pipes 13 and 12. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种在绝缘油的高温和低温区域有效运行的充油电气设备的冷却系统。 解决方案:冷却系统构成为通过在其主体箱1的容纳线圈2和芯3的侧面上设置上连接管13和下连接管12来冷却充满电的电气设备,以及 填充有绝缘油5,并且使上连接管13的开口的垂直尺寸几乎等于当油5处于最高温度时绝缘油5的表面水平H1之间的差(H1-H2)和 当油5处于最低温度时,油5的H2。 此外,当油5处于最高温度时,开口的上表面的高度几乎等于油5的表面水平H1,并且油5循环到连接到罐1的散热器14,通过 连接管13和12.版权所有(C)2004,JPO