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    • 1. 发明专利
    • Gas-insulated equipment
    • 气体绝缘设备
    • JP2011035959A
    • 2011-02-17
    • JP2009177164
    • 2009-07-30
    • Toshiba Corp株式会社東芝
    • HOSOKAWA OSAMU
    • H02G5/08H02B13/02
    • PROBLEM TO BE SOLVED: To suppress leakage of insulating gases to the outside of closed containers in gas-insulated equipment where the closed containers are filled with the insulating gases. SOLUTION: In the gas-insulated equipment 1, the closed container 2 is filled with the insulating gas 4. The closed container 2 includes a first flange 12, a second flange 32, a cover member 50, a plurality of bolts, and a plurality of seal members. A flange fastening bolt 70 passes through the first flange 12, and fastens the first flange 12 to the second flange 32 without passing through the second flange 32. The cover member 50 covers the outer periphery of the first flange 12 and a head 71 of the flange fastening bolt 70. A cover inside fastening bolt 74 passes through the cover member 50, and fastens the cover member 50 to the first flange 12 without passing through the first flange 12. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了抑制绝热气体泄漏到封闭容器中填充有绝缘气体的气体绝缘设备中的封闭容器的外部。 解决方案:在气体绝缘设备1中,密封容器2填充有绝缘气体4.密闭容器2包括第一凸缘12,第二凸缘32,盖构件50,多个螺栓, 和多个密封构件。 法兰紧固螺栓70穿过第一凸缘12,并且将第一凸缘12紧固到第二凸缘32而不穿过第二凸缘32.盖构件50覆盖第一凸缘12的外周边缘, 法兰紧固螺栓70.紧固螺栓74内的盖通过盖构件50,并且将盖构件50紧固到第一凸缘12而不穿过第一凸缘12.版权所有(C)2011,JPO和INPIT
    • 2. 发明专利
    • Transformer circuit, and method for preventing its current zero point transition phenomenon
    • 变压器电路及其电流零点过渡电极的方法
    • JP2007242484A
    • 2007-09-20
    • JP2006064930
    • 2006-03-09
    • Kyushu Electric Power Co IncToshiba Corp九州電力株式会社株式会社東芝
    • HOSOKAWA OSAMUYAMAMOTO KATSUTOSHINISHIWAKI SUSUMUIIYAMA KAZUHIKOEGUCHI TORUSHIMADA SHUICHIHIGAMI TAKU
    • H01H33/59
    • PROBLEM TO BE SOLVED: To provide a transformer circuit which prevents occurrence of current-zero-miss (current zero point transition phenomenon), and to provide a method for preventing the current-zero-miss.
      SOLUTION: A circuit breaker 2a is connected to a power source 1; and a power cable 3 and a transformer 5 are connected to a load side of the circuit breaker 2a. The power cable 5 has a large electrostatic capacity 4 to the earth. A shunt reactor 6 is connected parallelly to a winding of the transformer 5. As a result of the shunt reactor 6 being connected, the residual magnetic flux becomes very small. The residual magnetic flux may not completely vanish even if a reactor is installed, therefore, the sectional area of the iron core is correspondingly made to be large, ≥2.0 times and ≤2.5 times the ordinary ones. When a silicon steel plate is used as a transformer core, the magnetic flux density at the rated voltage is generally about 1.7 T. Making the area to be 2.5 times means making the magnetic flux density to be 0.68 T. By making the core sectional area to be ≥2.0 times and ≤2.5 times the ordinary ones, the iron core does not saturate even if the transformer is closed at the zero voltage, when the magnetic flux becomes maximum.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种防止电流零缺失(电流零点转变现象)发生的变压器电路,并提供一种防止电流零漏失的方法。 解决方案:断路器2a连接到电源1; 并且电力电缆3和变压器5连接到断路器2a的负载侧。 电力电缆5对地球具有大的静电容量4。 并联电抗器6并联连接到变压器5的绕组。由于并联电抗器6被连接,剩余磁通变得非常小。 即使安装了反应堆,剩余磁通量也不会完全消失,因此铁芯的截面面积相应地大,相当于普通的铁芯的≥2.0倍和2.5倍。 当使用硅钢板作为变压器铁芯时,额定电压下的磁通密度通常为1.7T左右。使面积为2.5倍,意味着使磁通密度为0.68T。通过使芯部截面积 即使是常压的≥2.0倍和≤2.5倍,即使变压器在零电压下闭合,磁通量变得最大时,铁芯也不会饱和。 版权所有(C)2007,JPO&INPIT
    • 3. 发明专利
    • Circuit breaker switching control system
    • 断路器开关控制系统
    • JP2010244780A
    • 2010-10-28
    • JP2009090859
    • 2009-04-03
    • Toshiba Corp株式会社東芝
    • SAITO MINORUMAEHARA HIROYUKIHOSOKAWA OSAMU
    • H01H33/59H01H9/54H01H9/56
    • H01H9/56H01H9/563H01H33/593H01H2300/03Y02B90/224Y04S20/14
    • PROBLEM TO BE SOLVED: To obtain a set value for correcting the time taken to switch a circuit breaker from the state quantity of the circuit breaker in operation. SOLUTION: A system includes a control section 100 for controlling switching of the circuit breaker and a setting control section 700 connected with the control section via a network 500. The control section 100 for controlling the switching of the breaker sends the state quantity of the circuit breaker to a set value calculating-and-processing section 740 of the setting control section 700 via the communication network, the state quantity being obtained by a signal input section 120. The set value calculating-and-processing section 740 of the setting control section calculates a set value to which the control section 100 for the circuit breaker is set, using the state quantity of the circuit breaker sent. The setting control section 700 sends the set value calculated by the set value calculating-and-processing section 730 to the control section for switching the circuit breaker, via the communication network. An arithmetic processing section 140 mounted in the control section for switching the circuit breaker and used for control of the switching corrects the circuit breaker switching actuation time based on the set value, and calculates a delay time relative to a zero-cross point based on this corrected switching actuation time and on a power system period. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:获取用于校正从断路器的运行状态切换断路器所花费的时间的设定值。 解决方案:系统包括用于控制断路器的切换的控制部分100和经由网络500与控制部分连接的设置控制部分700.用于控制断路器切换的控制部分100发送状态数量 通过通信网络将设置值计算处理部分740设置到设置控制部分700的设置值计算和处理部分740,该状态量由信号输入部分120获得。该设定值计算和处理部分740 设定控制部使用发送的断路器的状态量来计算设定了断路器的控制部100的设定值。 设定控制部700经由通信网络将由设定值计算处理部730计算出的设定值发送到切换断路器的控制部。 安装在用于切换断路器并用于开关控制的控制部分中的算术处理部分140基于该设定值校正断路器切换启动时间,并且基于该值计算相对于零交叉点的延迟时间 切换动作时间和电力系统周期。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Apparatus for power, and method of transporting the same
    • 电力设备及其运输方法
    • JP2010074007A
    • 2010-04-02
    • JP2008241640
    • 2008-09-19
    • Toshiba Corp株式会社東芝
    • MAEJIMA HIROYUKISAIDA TOSHIYUKIHOSOKAWA OSAMU
    • H01F27/02
    • PROBLEM TO BE SOLVED: To provide an apparatus for power capable of reducing the size and weight of a lid member for transport by eliminating the difference between inner and outer pressure values applied to the lid member for transport, stabilizing quality by vacuuming and vacuum replacement, and reducing the weight and size in transport; and a method of transporting the same. SOLUTION: The lid member 70 for transport can be tightly fitted to end face parts of a body tank 5 and a lid-side tank 6, and has sufficient airtightness in terms of practical use. Vacuuming and vacuum replacement are executed at the same time to the body tank 5 and the lid-side tank 6 by operating a valve 9 with the lid member 70 for transport is mounted to the body tank 5 and the lid-side tank 6. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够通过消除施加到运输用盖构件的内外压差之间的差异来减小用于运输的盖构件的尺寸和重量的电力装置,通过抽真空来稳定质量, 真空更换,减少运输中的重量和尺寸; 及其运输方法。 解决方案:用于运输的盖构件70可以紧密配合到车体箱5和盖侧罐6的端面部分,并且在实际使用方面具有足够的气密性。 通过操作具有用于运输的盖构件70的阀9同时向主体箱5和盖侧罐6执行抽真空和真空替换,安装到主体箱5和盖侧罐6。 P>版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Transformer circuit, and method for reducing residual magnetic flux of transformer
    • 变压器电路和减少变压器的残余磁通的方法
    • JP2007234837A
    • 2007-09-13
    • JP2006054154
    • 2006-02-28
    • Kyushu Electric Power Co IncToshiba Corp九州電力株式会社株式会社東芝
    • KIHARA HIDEMISHIMOJO TOSHIICHIEGUCHI TORUHIGAMI TAKUHOSOKAWA OSAMUYAMAMOTO KATSUTOSHINISHIWAKI SUSUMU
    • H01F27/34H01F30/12
    • PROBLEM TO BE SOLVED: To provide a transformer circuit and a method for reducing the residual magnetic flux of a transformer which can reduce largely the residual magnetic flux remaining in the transformer when separating the transformer from a power system, and excels also in an economic property. SOLUTION: In the transformer circuit, a high-voltage winding 1a of a transformer 1 is connected with a power supply 3 via circuit breaker 2a at a high voltage side, and a low-voltage winding 1b of the transformer 1 is so connected with a load 4a via circuit breaker 2b at a low voltage side. Further, a power obtained from the power supply 3 is so subjected to voltage lowering as to feed the power to the load 4a. Between the low-voltage winding 1b of the transformer 1 and the circuit breaker 2b at the lower voltage side, in addition to an earth capacitance 5, a reactor 6 having a certain prescribed characteristic is connected in parallel with the earth capacitance 5. The reactor 6 has such a characteristic that the largeness of the current flowing through it which corresponds to the desired value of the residual magnetic flux of the transformer 1 exceeds the magnetizing current of the transformer 1. Hereupon, the magnetizing current corresponds to the desired value of the residual magnetic flux of the transformer 1 which is set in the second quadrant of the magnetic flux - magnetizing current characteristic curve of the transformer 1. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种变压器电路和减小变压器的剩余磁通量的方法,当将变压器与电力系统分离时,其可以大大减小变压器中残留的磁通量,并且还优于 经济财产。 解决方案:在变压器电路中,变压器1的高压绕组1a通过高压侧的断路器2a与电源3连接,变压器1的低压绕组1b如此 通过低压侧的断路器2b与负载4a连接。 此外,从电源3获得的功率经受电压降低以将功率馈送到负载4a。 在变压器1的低压绕组1b和较低电压侧的断路器2b之间,除了接地电容5之外,具有一定规定特性的电抗器6与接地电容5并联连接。反应器 6具有这样的特征:流过该电流的电流的大小对应于变压器1的剩余磁通量的期望值超过变压器1的磁化电流。因此,磁化电流对应于 设置在变压器1的磁通 - 磁化电流特性曲线的第二象限中的变压器1的剩余磁通量。(C)2007,JPO&INPIT
    • 6. 发明专利
    • 静止誘導電器の更新方法
    • 静态感应电器的更新方法
    • JP2015023067A
    • 2015-02-02
    • JP2013148052
    • 2013-07-16
    • 株式会社東芝Toshiba Corp
    • IWATANI KENJICHIGIRI TAKESHIHOSOKAWA OSAMU
    • H01F41/00H01F27/02
    • 【課題】新規にクリーンハウスを設置することなく巻線の更新を可能とする静止誘導電器の更新方法を提供する。【解決手段】上面に開口部4を有する下部タンク1と前記開口部4を封じる上部タンクとに分割可能なタンク内に収納された鉄心2と、前記鉄心の主脚に巻回された既設巻線3とを有する静止誘導電器の更新方法において、前記上部タンクを取り外す上部タンク取り外し工程と、前記上部タンクを取り外すことにより開口された前記開口部4を覆う屋根7を取り付ける屋根設置工程と、前記屋根7の内側で前記既設巻線3を更新巻線8と交換する巻線交換工程とを有する。【選択図】図1
    • 要解决的问题:提供一种固定感应电气装置的更新方法,其允许更新一个绕组而不安装新的洁净室。解决方案:一种固定式感应电气装置的更新方法,其具有容纳在罐中的芯2,其可以 被分成在上表面具有孔4的下槽1和用于密封孔4的上槽,并且缠绕在芯的主腿周围的现有绕组3包括上罐拆卸步骤,用于去除上槽 ,用于安装覆盖通过去除上部箱体而打开的孔4的屋顶7的屋顶安装步骤,以及在屋顶7的内部用更新绕组8替换现有绕组3的卷绕更换步骤。
    • 7. 发明专利
    • Stationary induction electric apparatus and manufacturing method of the same
    • 静电感应电机及其制造方法
    • JP2013033849A
    • 2013-02-14
    • JP2011169074
    • 2011-08-02
    • Toshiba Corp株式会社東芝
    • TAKANO HIROSHIYAMADA SHINHOSOKAWA OSAMUCHIGIRI TAKESHIAKIMOTO KIYOKATSU
    • H01F27/04H01F27/02H01F30/00H01F37/00H01F41/04
    • H01F41/005H01F27/04Y10T29/4902
    • PROBLEM TO BE SOLVED: To provide a stationary induction electric apparatus enabling easy assembly (manufacturing) and a manufacturing method of the stationary induction electric apparatus.SOLUTION: A stationary induction electric apparatus according to one embodiment has: a porcelain tube; a connection conductor disposed at one end of the porcelain tube and connecting with a power transmission line; a conductor disposed in the porcelain tube and connecting with the connection conductor; a casing which covers a stationary induction electric apparatus body and has an opening corresponding to the other end of the porcelain tube; a lead extending from the stationary induction electric apparatus body to the opening; a terminal disposed at an end part of the lead; a spacer removably sealing the other end of the porcelain tube and the opening; an electric connection member which has an electrode removably connecting with the terminal and a joining part removably connecting with the conductor and penetrates through the spacer; a first insulation medium filling the porcelain tube; and a second insulation medium filling the casing.
    • 要解决的问题:提供一种能够容易地组装(制造)的静态感应电气设备和静电感应电气设备的制造方法。 解决方案:根据一个实施例的固定感应电气设备具有:瓷管; 连接导体,其设置在所述瓷管的一端并与输电线路连接; 布置在瓷管中并与连接导体连接的导体; 壳体,其覆盖固定感应电机主体并且具有与所述瓷管的另一端对应的开口; 从固定感应电机主体延伸到开口的引线; 设置在所述引线的端部的端子; 隔离件可移除地密封瓷管的另一端和开口; 电连接构件,其具有可拆卸地与端子连接的电极和可拆卸地与导体连接并穿过间隔件的接合部; 填充瓷管的第一绝缘介质; 以及填充所述壳体的第二绝缘介质。 版权所有(C)2013,JPO&INPIT