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    • 11. 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 。
    • 13. 发明专利
    • Apparatus for control of rotary machine
    • 旋转机控制装置
    • JP2011147303A
    • 2011-07-28
    • JP2010007756
    • 2010-01-18
    • Mitsubishi Electric Corp三菱電機株式会社
    • KOJIMA TETSUYAYOSHIMURA MANABUKANEHARA YOSHIHIKO
    • H02P21/00H02P1/30H02P27/04
    • PROBLEM TO BE SOLVED: To provide a rotary machine controlling apparatus that effectively uses the maximum available capability of the apparatus to shorten a torque rise at startup as much as possible and can eliminate or shorten the use time of a mechanical brake for preventing slip-off when it is used for applications such as a hoist and an elevator. SOLUTION: The apparatus includes a current command switcher 7 for output of an exciting current command id1* and a torque current command iq1* from an exciting current calculator 5 and a torque current calculator 6 to a controller 4 respectively after applying a correcting process so as to satisfy the formula id*=iq*=idq0=Imax/(√2), wherein Imax is the allowable maximum current. This command output continues for a period until a predetermined set condition is reached immediately after the startup of an induction machine 1. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种旋转机械控制装置,其有效地使用装置的最大可用能力尽可能地缩短启动时的转矩上升,并且可以消除或缩短用于防止的机械制动器的使用时间 当它用于诸如起重机和电梯的应用时,它会滑落。 解决方案:该装置包括电流指令切换器7,用于分别在施加校正后的激励电流指令id1 *和转矩电流指令iq1 *从励磁电流计算器5和转矩电流计算器6输出到控制器4 处理,以满足公式id * = iq * = idq0 = Imax /(√2),其中Imax是允许的最大电流。 该命令输出持续一段时间,直到感应电机1启动后立即达到预定的设定条件。版权所有(C)2011,JPO&INPIT
    • 14. 发明专利
    • Gas insulated electric device
    • 气体绝缘电气设备
    • JP2009268295A
    • 2009-11-12
    • JP2008116854
    • 2008-04-28
    • Mitsubishi Electric Corp三菱電機株式会社
    • TSURIMOTO TAKAOMIYAMOTO TAKASHIYOSHIMURA MANABUSADAKUNI HITOSHISHIMIZU YOSHINORI
    • H02G5/06H02B13/055
    • H02G5/065
    • PROBLEM TO BE SOLVED: To provide a gas insulated electric device that reliably traps metal a foreign matter inside a gas insulated electric device and reliably continues to trap the metal foreign matter without floating the trapped metal foreign matter again even if an adhesive material deteriorates or device vibration occurs. SOLUTION: A high-voltage conductor 2 is installed inside a grounded tank 3, filled with insulating gas, via an insulating spacer. A metal plate 5 is formed into a shape in which each protrusion 5e-5h and each recess 5a, 5b, and 5c are alternately arranged to form each low electric-field part at the bottom of the grounded tank 3 so as to prevent metal foreign matter from floating. Further, each adhesive layer 6a, 6b, and 6c is provided only at each low electric-field part of each recess 5a, 5b, and 5c. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种气体绝缘电气装置,其可靠地捕获气体绝缘电气装置内的异物的金属,并且可靠地继续捕获金属异物,而不会再次漂浮被捕获的金属异物,即使粘合材料 发生劣化或器件振动。 解决方案:高压导体2通过绝缘垫片安装在接地罐3内,填充有绝缘气体。 金属板5形成为每个突起5e-5h和每个凹部5a,5b和5c交替布置以在接地罐3的底部形成低电场部分的形状,以防止金属外部 浮动的事 此外,每个粘合层6a,6b和6c仅设置在每个凹部5a,5b和5c的每个低电场部分。 版权所有(C)2010,JPO&INPIT
    • 15. 发明专利
    • Gas insulated electrical device
    • 气体绝缘电气设备
    • JP2008271744A
    • 2008-11-06
    • JP2007114226
    • 2007-04-24
    • Mitsubishi Electric Corp三菱電機株式会社
    • YOSHIMURA MANABUTSURIMOTO TAKAOSHIMIZU YOSHINORI
    • H02G5/06H02B13/02H02G5/08
    • PROBLEM TO BE SOLVED: To provide a gas insulated electrical device that can maintain breakdown voltages after the second time at an initial state, in the event of causing dielectric breakdown. SOLUTION: In a gas insulated electrical device, a central conductor 2 serving as a high voltage conductor is accommodated while being supported insulatingly by an insulating spacer 4 within a metallic container 1 in which an insulating gas 3 is charged, and a shield 5 for moderating electric field is provided at a connection portion between the central conductor 2 and the insulating spacer 4. On the surface of metal of the central conductor 2 and the shield 5 for moderating electric field, a dielectric coating film 6 is applied at a certain or greater film thickness, and a metal exposed portion where the surface of metal of central conductor 2 is subjected to exposure, is formed on a part of the dielectric coating film 6 which has been applied to the central conductor 2. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种在发生电介质击穿的情况下能够在初始状态之后第二次保持击穿电压的气体绝缘电气装置。 解决方案:在气体绝缘电气装置中,用作高压导体的中心导体2被绝缘隔离物4绝缘地支撑在金属容器1内,绝缘气体3被充电在其中, 在中心导体2和绝缘垫片4之间的连接部分设置有用于缓和电场的5。在中心导体2的金属表面和用于缓和电场的屏蔽5中,介电涂层6 某些或更大的膜厚度以及中央导体2的金属表面经受曝光的金属暴露部分形成在已经施加到中心导体2上的电介质涂膜6的一部分上。 (C)2009,JPO&INPIT
    • 16. 发明专利
    • Gas-insulated electrical apparatus and manufacturing method therefor
    • 气体绝缘电气设备及其制造方法
    • JP2012210108A
    • 2012-10-25
    • JP2011074906
    • 2011-03-30
    • Mitsubishi Electric Corp三菱電機株式会社
    • YOSHIMURA MANABUYAMAMOTO SHIGEYUKIKISANUKI OSAMU
    • H02B13/02H02B1/20H02B3/00H02G5/06
    • PROBLEM TO BE SOLVED: To provide a highly reliable gas-insulated electrical apparatus in which partial discharge on a release layer is suppressed by enhancing the boundary surface adhesiveness of a conductive member and an insulating coating which covers the surface of the conductive member.SOLUTION: There are protrusions and recesses on the surface of a conductive member 3, and average length Rsm value is one index of surface roughness. By using a material consisting of insulating particle powder 7 having a diameter smaller than the Rsm value, an insulating coating 6 is deposited by painting on the surface of the conductive member 3, and the recesses of the conductive member 3 are filled tightly with the insulating particle powder 7 thus enhancing bondability of the conductive member 3 and the insulating coating 6.
    • 要解决的问题:为了提供高可靠性的气体绝缘电气设备,其中通过增强覆盖导电构件的表面的导电构件和绝缘涂层的边界面粘合性来抑制剥离层上的局部放电 。 解决方案:在导电构件3的表面上存在突起和凹陷,平均长度Rsm值是表面粗糙度的一个指标。 通过使用由直径小于Rsm值的绝缘粒子粉末7组成的材料,通过喷涂在导电部件3的表面上沉积绝缘涂层6,并且导电部件3的凹部被绝缘体填充 颗粒粉末7,从而增强导电构件3和绝缘涂层6的粘合性。版权所有(C)2013,JPO&INPIT
    • 17. 发明专利
    • Gas insulated switchgear
    • 气体绝缘开关
    • JP2011259527A
    • 2011-12-22
    • JP2010129263
    • 2010-06-04
    • Mitsubishi Electric Corp三菱電機株式会社
    • KISANUKI OSAMUMIYAMOTO TAKASHITSURIMOTO TAKAOYOSHIMURA MANABU
    • H02B13/055H02B13/02H02G5/06
    • H02G5/065
    • PROBLEM TO BE SOLVED: To provide a gas insulated switchgear having trap means for foreign substances with a low-cost configuration capable of efficiently capture metal foreign substances contaminated in a tank to make them harmless.SOLUTION: A gas insulated switchgear comprises: a central conductor 2 extended horizontally in a tank 1; a cylindrical member 5, disposed in a tank 1 so as to circulate the central conductor 2, made of a metallic plate-like member which is shaped cylindrically and connected its mutually opposing both ends in circumferential direction by welding at a welding part 50 so that the welding part 50 faces downward; and a current transformer 4 inserted and supported by the cylindrical member 5 and disposed so as to circulate the central conductor 2. The welding part 50 has a metallic spacer 9 pinched by the plate-like member's both ends mutually opposing in circumferential direction, while the spacer 9 and each ends are welded.
    • 解决问题:提供一种气体绝缘开关装置,其具有能够有效捕获在罐中污染的金属异物的低成本构造的异物捕获装置,使其无害化。 解决方案:一种气体绝缘开关装置,包括:在罐1中水平延伸的中心导体2; 圆柱形部件5,设置在罐1中以使中心导体2循环,该中心导体2由圆柱形成形的金属板状部件形成,并且通过在焊接部件50处的焊接将其相互相对的两端连接在周向上,使得 焊接部50面向下方; 以及由圆柱形构件5插入并支撑并设置成使中心导体2循环的电流互感器4.焊接部分50具有金属隔离件9,该金属隔离件9被板状构件的两个端部沿圆周方向相互相对地夹持,而 间隔件9和每个端部被焊接。 版权所有(C)2012,JPO&INPIT
    • 18. 发明专利
    • Transformer
    • 变压器
    • JP2010283061A
    • 2010-12-16
    • JP2009134085
    • 2009-06-03
    • Mitsubishi Electric Corp三菱電機株式会社
    • YOSHIMURA MANABUISHIKURA TAKAHIKOHOSHINO TAKASHI
    • H01F30/00H01F27/28
    • PROBLEM TO BE SOLVED: To provide a transformer that suppresses a dielectric breakdown due to a discharge caused between high-voltage winding and low-voltage winding while a high-voltage winding part is improved in cooling performance. SOLUTION: The transformer includes a sealed container, an iron core stored in the sealed container, the low-voltage winding 3 arranged surrounding a main leg part 9 of the icon core, the high-voltage winding 4 arranged surrounding the low-voltage winding 3, and a longitudinal spacer 7 provided between the high-voltage winding 4 and low-voltage winding 3 while extending along the direction of the axis of the main leg part 9, wherein the high-voltage winding 4 includes a plurality of high-voltage winding parts 11 stacked in stacked stages in the direction along the axis, a high-voltage radial spacer 6 is provided while connected to the longitudinal spacer 7 radially above the longitudinal spacer 7 between adjacent high-voltage winding parts 11, and a width of a peripheral direction of the high-voltage radial spacer 6 is smaller than that of the longitudinal spacer 7. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种变压器,其在高压绕组部分的冷却性能提高的同时,抑制由高压绕组和低压绕组之间引起的放电引起的绝缘击穿。 解决方案:变压器包括密封容器,存储在密封容器中的铁芯,围绕图标芯的主脚部分9布置的低压绕组3,围绕低压绕组4设置的高压绕组4, 电压绕组3以及设置在高压绕组4和低压绕组3之间的纵向间隔件7,同时沿着主脚部9的轴线的方向延伸,其中高压绕组4包括多个高 电压绕组部件11沿着轴线的方向堆叠在一起,设置高压径向间隔件6,同时在相邻的高压绕组部分11之间的纵向间隔件7的径向上方连接到纵向间隔件7,并且宽度 高压径向间隔件6的周向方向小于纵向间隔件7的周向方向。(C)2011年,JPO&INPIT
    • 20. 发明专利
    • Device and method for testing electrostatic charge
    • 用于测试静电电荷的装置和方法
    • JP2009103683A
    • 2009-05-14
    • JP2008181240
    • 2008-07-11
    • Mitsubishi Electric Corp三菱電機株式会社
    • KITABAYASHI HIROYOSHIKOMINAMI MITSUJIYOSHIMURA MANABU
    • G01R29/12G01R31/26
    • PROBLEM TO BE SOLVED: To provide an electrostatic charge testing device for clarifying the relation between the voltage value applied from the outside, and the amount of electrostatic charge.
      SOLUTION: This electrotastic charge testing device includes an insulator 4, a metal plate 3 that is brought into contact with the insulator 4, a wiring 5 that is embedded into the insulator 4 so as to face the metal plate 3 and is extended out of the insulator 4, and an insulator socket 7 that is connected to one end of the wiring 5 and can connect an electronic device 6 measures the electrostatic charge testing device measures, via an insulator socket, the amount of charge guided to the wiring 5 facing the metal plate 3, by applying a predetermined voltage to the metal plate 3.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于澄清从外部施加的电压值与静电电荷量之间的关系的静电电荷测试装置。 解决方案:该电子电荷测试装置包括绝缘体4,与绝缘体4接触的金属板3,嵌入绝缘体4中以面对金属板3并延伸的布线5 从绝缘体4出来的绝缘体插座7和连接到布线5的一端并能够连接电子装置6的绝缘体插座7测量静电荷测试装置经由绝缘体插座测量引导到布线5的电荷量 通过向金属板3施加预定电压而面对金属板3。版权所有(C)2009,JPO&INPIT