公开(公告)号：JP2014187151A

公开(公告)日：2014-10-02

申请号：JP2013060495

申请日：2013-03-22

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： NOJIMA KENICHI ,  SATO MASAYUKI ,  MATSUZAKI SAKAHITO ,  FUKANO TAKAHITO ,  ANDO HIDEYASU

IPC: H01C7/12 ,  H01T4/08 ,  H02B13/02

Abstract: PROBLEM TO BE SOLVED: To provide a lightning arrester with high insulation reliability even when it is downsized.SOLUTION: A lightning arrester A comprises: a cylindrical insulation vessel 1 inside of which is filled with insulating gas 2; an internal element 3 formed by laminating a plurality of nonlinear resistors housed in the insulation vessel 1; a ground-side fixed electrode 4 which is provided on one end of the insulation vessel 1 and is electrically connected to the internal element 3; and a high voltage-side fixed electrode 5 which is provided on the other end of the insulation vessel 1 and is electrically connected to the internal element 3. At least part of the inner peripheral surface of the insulation vessel 1 is coated with nonlinear resistance coating 7, and the ground-side fixed electrode 4 and the high voltage-side fixed electrode 5 are electrically connected to each other via the nonlinear resistance coating 7. In addition, a portion in the vicinity of the high voltage-side fixed electrode 5 of the insulation vessel 1 may be formed into a shape along an electric line of force from the high voltage-side fixed electrode 5.

Abstract translation: 要解决的问题：即使在小型化时也提供绝缘可靠性高的避雷器。解决方案：避雷器A包括：圆柱形绝缘容器1，内部填充有绝缘气体2; 通过层压容纳在绝缘容器1中的多个非线性电阻而形成的内部元件3; 接地侧固定电极4，其设置在绝缘容器1的一端并与内部元件3电连接; 以及设置在绝缘容器1的另一端并与内部元件3电连接的高压侧固定电极5.绝缘容器1的内周面的至少一部分涂有非线性电阻涂层 7，并且接地侧固定电极4和高压侧固定电极5经由非线性电阻涂层7彼此电连接。此外，高压侧固定电极5附近的部分 绝缘容器1可以形成为沿着来自高压侧固定电极5的电力线的形状。

公开(公告)号：JP2014025428A

公开(公告)日：2014-02-06

申请号：JP2012166944

申请日：2012-07-27

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： ARAOKA NOBUTAKA ,  KOYAMA MITSUTOSHI ,  SATO MASAYUKI ,  ANDO HIDEYASU

IPC: F03D11/00 ,  F03D1/06

CPC classification number: Y02E10/721 ,  Y02E10/726

Abstract: PROBLEM TO BE SOLVED: To provide a wind-power generation apparatus with a relatively simple lightning protection system that makes a lightning strike current upon lightning flow to the ground surface without breaking a blade nor entering a support column side including a nacelle.SOLUTION: A wind-power generation apparatus 1 includes a support column 3 provided fixedly on the ground, a nacelle 4 which has at least a rotor of a power generator inside and is mounted on a top of the support column, blades 2a, 2b, and 2c for rotating the rotor provided in the nacelle 4 by wind force, and a hub 5 which connects the blades 2a, 2b, and 2c and the rotary shaft of the rotor. Further, while a metal material layer 6 and a nonlinear resistance material layer 7 are formed alternately on surfaces of the blades 2a, 2b, and 2c partially in contact to each other and the metal material layer 6 is arranged at tip parts of the blades 2a, 2b, and 2c, a nonlinear resistance material layer 7 is arranged at a part adjoining the hub 5.

Abstract translation: 要解决的问题：为了提供具有相对简单的防雷系统的风力发电设备，其在雷电流到地面时产生雷击电流，而不破坏叶片或进入包括机舱的支撑柱侧。解决方案：A 风力发电装置1包括：固定地设置在地面上的支撑柱3，具有内部的动力发生器的至少一个转子并安装在支撑柱的顶部的机舱4，叶片2a，2b和2c， 通过风力使设置在机舱4中的转子旋转;以及毂5，其连接叶片2a，2b和2c以及转子的旋转轴。 此外，虽然在彼此部分接触的叶片2a，2b和2c的表面上交替地形成金属材料层6和非线性电阻材料层7，并且金属材料层6设置在叶片2a的尖端部分 如图2b和图2c所示，在与毂5相邻的部分设置非线性电阻材料层7。

公开(公告)号：JP2013251503A

公开(公告)日：2013-12-12

申请号：JP2012127352

申请日：2012-06-04

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： SASAKI SOICHIRO ,  KASUGA YASUNOBU ,  ANDO HIDEYASU

IPC: H01C7/12

Abstract: PROBLEM TO BE SOLVED: To provide a current-voltage nonlinear resistor having an excellent maximum energy characteristic and the manufacturing method thereof.SOLUTION: A current-voltage nonlinear resistor 10 provided with a sintered body 20 obtained by compressively molding granulation powder obtained from slurry having a mixture containing zinc oxide as a main component, and bismuth oxide, antimony oxide, manganese oxide, cobalt oxide and nickel oxide as accessory components to form a compact, and sintering the compact. The average particle diameter (median particle diameter D) of the mixture is ≤0.4 μm, a hydrogen ion exponent of the slurry is 6.5 to 8.5, and porosity in the sintered body is ≤4%.

Abstract translation: 要解决的问题：提供具有优异的最大能量特性的电流 - 电压非线性电阻及其制造方法。电解电压非线性电阻器10具有烧结体20，该烧结体20通过压缩成型从浆料获得的造粒粉末获得， 以氧化锌为主要成分的混合物，氧化铋，氧化锑，氧化锰，氧化钴，氧化镍为辅助成分，形成小型化，烧结成形体。 混合物的平均粒径（中值粒径D）≤0.4μm，浆料的氢离子指数为6.5〜8.5，烧结体的孔隙率≤4％。

公开(公告)号：JP2010135560A

公开(公告)日：2010-06-17

申请号：JP2008310007

申请日：2008-12-04

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： KASUGA YASUNOBU ,  ANDO HIDEYASU

IPC: H01C7/10

CPC classification number: H01C7/112 ,  C04B35/453 ,  C04B35/6261 ,  C04B35/62695 ,  C04B2235/3218 ,  C04B2235/3262 ,  C04B2235/3275 ,  C04B2235/3277 ,  C04B2235/3284 ,  C04B2235/3294 ,  C04B2235/3298 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5481 ,  C04B2235/656 ,  C04B2235/6562 ,  C04B2235/6565 ,  C04B2235/6567 ,  C04B2235/784 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2235/80

Abstract: PROBLEM TO BE SOLVED: To provide a current-voltage non-linear resistor which can be designed to have a high resistance and is excellent in a non-linear resistance characteristic, energy tolerance and thermostability, and the production process of the same. SOLUTION: A current-voltage non-linear resistor 10 includes a sintered body 20 of a mixture whose chief constituent is zinc oxide and including as auxiliary constituents at least bismuth (Bi), antimony (Sb), manganese (Mn), cobalt (Co) and nickel (Ni). Also, the average grain size of the mixture is no more than 0.4 μm; and the average grain size of the zinc oxide grains in the sintered body 20 is no more than 7.5 μm and the standard deviation based on the grain size distribution of zinc oxide grains in the sintered body 20 is no more than 15% of the average grain size of the zinc oxide grains. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种可被设计成具有高电阻并且具有优异的非线性电阻特性，能量耐受性和热稳定性的电流 - 电压非线性电阻器及其制造方法 。 电流电压非线性电阻器10包括主要成分为氧化锌并且至少包含铋（Bi），锑（Sb），锰（Mn）， 钴（Co）和镍（Ni）。 此外，混合物的平均粒径不大于0.4μm; 烧结体20中的氧化锌粒子的平均粒径为7.5μm以下，烧结体20的氧化锌粒子的粒度分布的标准偏差为平均粒径的15％以下 氧化锌颗粒的尺寸。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009124848A

公开(公告)日：2009-06-04

申请号：JP2007295749

申请日：2007-11-14

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： HANAI MASAHIRO ,  NOJIMA KENICHI ,  TAKEI MASAFUMI ,  HIRANO YOSHIHIKO ,  ANDO HIDEYASU

IPC: H02B13/02 ,  H01H33/42 ,  H01H33/64

Abstract: PROBLEM TO BE SOLVED: To provide an electric apparatus which can be enhanced in reliability than before, by decreasing the possibility of penetration breakage in an electric insulation layer resulting from a separation occurring between an electrode and the electric insulation layer. SOLUTION: On the disconnector 2 provided in the metal container 1 of a gas-insulated switching apparatus, a movable side electrode 2a and a fixed side electrode 2b are disposed so as to oppose with each other through an insulation gas. Metal electric field relax shields 3a, 3b for relaxing the electric field between electrodes are attached to the movable side electrode 2a and the fixed side electrode 2b. First electric insulation layers 4a, 4b formed of electrically insulating organic polymers containing sintered powder of zinc oxide, wherein the content of the sintered power of zinc oxide is 40 to 80 pts.wt. per 100 pts.wt. of the electrically insulating organic polymers, are disposed on the surface of a high electric field at each tip or in the vicinity thereof. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：通过减少由电极和电绝缘层之间发生分离而导致的电绝缘层中的穿透破裂的可能性，提供可以提高可靠性的电气设备。 解决方案：在设置在气体绝缘开关装置的金属容器1中的隔离开关2上，可动侧电极2a和固定侧电极2b通过绝缘气体彼此相对设置。 用于放松电极之间的电场的金属电场松弛屏蔽件3a，3b附接到可动侧电极2a和固定侧电极2b。 由包含氧化锌烧结粉末的电绝缘有机聚合物形成的第一电绝缘层4a，4b，其中氧化锌的烧结功率的含量为40至80重量份。 每100 pts.wt 的电绝缘性有机聚合物配置在各个尖端或其附近的高电场的表面。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008172034A

公开(公告)日：2008-07-24

申请号：JP2007003938

申请日：2007-01-11

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： KASUGA YASUNOBU ,  ANDO HIDEYASU ,  IMAI TOSHIYA

IPC: H01C7/10

Abstract: PROBLEM TO BE SOLVED: To provide a voltage nonlinear resistor which can have an excellent current/voltage nonlinear characteristic, a life characteristic and surge energy resistance, can improve thermal stability at high temperatures, and can contribute to the miniaturization of an overvoltage protection device. SOLUTION: A sintered compact 1 contains ZnO not smaller than 95 mol% as its main component. The compact also contains, as its sub components, 0.3-1 mol% of Bi 2 O 3 , 0.5-2.5 mol% of Sb 2 O 3 , 0.3-1.5 mol% of Co 2 O 3 , 0.2-2 mol% of MnO, and 0.5-3 mol% of NiO when Bi, Sb, Co, Mn and Ni are converted to Bi 2 O 3 , Sb 2 O 3 , Co 2 O 3 , MnO and NiO, respectively. A ratio of NiO to MnO is 2.0 to 6.0, and a ratio of Sb 2 O 3 to MnO is 1.5 to 4.0. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了提供可以具有优异的电流/电压非线性特性，寿命特性和浪涌能量电阻的电压非线性电阻器，可以提高高温下的热稳定性，并且可以有助于过电压的小型化 保护装置。 解决方案：烧结体1含有不小于95mol％的ZnO作为其主要成分。 该压块还含有0.3-1mol％的Bi O 3 ，0.5-2.5mol％Sb 2 0 3 ，0.3-1.5摩尔％的Co 2 3，SBO 0.2-2摩尔％，MnO为0.5-3摩尔％ 当Bi，Sb，Co，Mn和Ni转化为Bi O 3 ，Sb 2 3

公开(公告)号：JP2004119762A

公开(公告)日：2004-04-15

申请号：JP2002282301

申请日：2002-09-27

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： ANDO HIDEYASU

IPC: H01C7/10

Abstract: PROBLEM TO BE SOLVED: To provide a current-voltage nonlinear resistor that is high in operation start voltage, high in current-voltage nonlinear resistance and supeior in service life characteristic and kinetic energy resistance characteristic. SOLUTION: The current-voltage nonlinear resistor made mainly of zinc oxide (ZnO) contains at least bismuth (Bi), cobalt (Co), manganese (Mn) and antimony (Sb) as a subsidiary ingredient. Furthermore, it is added with one or more kinds among vanadium (V) of 0.01-0.2 mol% in terms of V 2 O 3 , niobium (Nb) of 0.1-1 mol% in terms of Nb 2 O 2 , cerium (Ce) of 0.2-1.2 mol% in terms of CeO 2 , and tantalum (Ta) of 0.05-0.8 mol% in terms of Ta 2 O 5 . COPYRIGHT: (C)2004,JPO

公开(公告)号：JP2002173757A

公开(公告)日：2002-06-21

申请号：JP2000367233

申请日：2000-12-01

Applicant: TOSHIBA CORP

Inventor： ANDO HIDEYASU ,  ITO YOSHIYASU ,  SHINDOU TAKAHIKO ,  UDAGAWA TAKESHI ,  SUYAMA AKIKO

IPC: C23C4/04 ,  C23C4/02 ,  C23C4/12 ,  C23C4/18 ,  H01H1/04

Abstract: PROBLEM TO BE SOLVED: To provide a coated member having excellent heat resistance and exhibiting high reliability. SOLUTION: An A6061 material is used as a base material 1, and a part of the base material 1 is coated with a flame sprayed deposit 2 composed of stainless steel having a melting point higher than that of the constituent materials of the base material 1. Moreover, porosity in the flame sprayed deposit 2 is made to

公开(公告)号：JP2001138069A

公开(公告)日：2001-05-22

申请号：JP32702799

申请日：1999-11-17

Applicant: TOSHIBA CORP

Inventor： SHINDOU TAKAHIKO ,  UDAGAWA TAKESHI ,  ANDO HIDEYASU ,  SUYAMA AKIKO ,  ITO YOSHIYASU

IPC: B23K20/12 ,  B22F7/00 ,  B23K103/04 ,  B23K103/12 ,  B32B15/01 ,  C22C9/00 ,  C22C27/04 ,  H01B1/02 ,  H01H1/025 ,  H01H1/04 ,  H01H1/06 ,  H01H11/04

Abstract: PROBLEM TO BE SOLVED: To obtain excellent mechanical strength at high temperatures, to keep electric resistance low in a weld area and to make the wear of a contact point smaller. SOLUTION: The welded body of different kinds of metal materials is composed of a contact point member 1 consisting of a CuW alloy into which at least one metal material having a melting point higher than that of Cu is added and a conductor 3 consisting of Cu or an alloy whose main component is Cu. A layer 2 consisting of Cu or a Cu alloy is interposed between the welding surfaces of both members, and the members are welded to a single body. In the contact point member 1 consisting of the CuW alloy, W powder is preliminary calcined and Cu particles are infiltrated. When the Cu particles are infiltrated, particles consisting of Cu or the Cu alloy are infiltrated, and the layer 2 is formed simultaneously.

公开(公告)号：JP2001093705A

公开(公告)日：2001-04-06

申请号：JP26761799

申请日：1999-09-21

Applicant: TOSHIBA CORP

Inventor： SUZUKI HIRONORI ,  ANDO HIDEYASU

IPC: H01C7/10

Abstract: PROBLEM TO BE SOLVED: To provide a nonlinear resistor where a varistor voltage VlmA can be reduced, the size can be enlarged by increasing the thickness, breakdown discharging current rated characteristic is superior. SOLUTION: In a nonlinear resistor, whose main component is zinc oxide, bismuth and titanium are contained as sub-component, at least either one of lead or tellurium is contained, and a varistor voltage VlmA is set to 15-160 V/mm. Contents of bismuth and titanium are set to 0.1-5.0 mol%, respectively, if these are converted into bismuth oxide (Bi2O3) and titanium oxide (TiO2). Contents of lead and tellurium when these are contained as sub-component are set 0.001-3.0 mol%, respectively, when these are converted into PbO and TeO2. It is preferable that at least one kind of component selected from a group composed of cobalt, manganese, nickel and aluminum is contained as a sub-component, and at least either component of silver or boron is contained.