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    • 1. 发明申请
    • SWITCHING CONTROL SYSTEM OF CIRCUIT BREAKER
    • 断路器开关控制系统
    • US20100141050A1
    • 2010-06-10
    • US12443980
    • 2007-10-02
    • Minoru SaitoHiroyuke MaeharaShiro Maruyama
    • Minoru SaitoHiroyuke MaeharaShiro Maruyama
    • H01H7/00
    • H01H9/563H01H2300/03H02J13/0086Y02B70/3241Y02B90/224Y04S20/14Y04S20/227Y10T307/74Y10T307/951
    • A switching control system of circuit breaker is provided, which can easily connect with such an external equipment as a PC, both at the work site and remote side, without using dedicated software, and can implement efficient maintenance and data collection. The system comprises: one or more switching control units of circuit breaker 100 each of which inputs electrical quantity of power system voltage and main circuit current, state quantity of a circuit breaker, and an opening command signal or closing command signal of the circuit breaker, and performs control to cause the circuit breaker to open or close at a desired phase of the power system voltage or main circuit current; and a display operation unit 700, which is connected with the switching control unit of circuit breaker via a communication network 500 and performs display operation to operate and monitor the operation and state of the switching control unit of circuit breaker. The switching control unit of circuit breaker comprises: a first area 110 serving as switching control arithmetic operation means for causing the circuit breaker to open or close at a desired phase of the power system voltage or main circuit current; and a second area 120 serving as communication arithmetic operation means for transmitting/receiving information from the display operation unit or transmitting information of the first area, via the communication network.
    • 提供断路器开关控制系统,无需使用专用软件即可在工作现场和远程端轻松连接PC等外部设备,实现有效的维护和数据采集。 该系统包括:断路器100的一个或多个切换控制单元,每个切换控制单元输入电力系统电压和主电路电流的电量,断路器的状态量以及断路器的断开指令信号或闭合指令信号, 并执行控制以使断路器在电力系统电压或主电路电流的期望相位处打开或关闭; 以及显示操作单元700,其经由通信网络500与断路器的切换控制单元连接,并执行显示操作以操作和监视断路器的开关控制单元的操作和状态。 断路器的开关控制单元包括:第一区域110,用作切换控制算术运算装置,用于使断路器在电力系统电压或主电路电流的期望相位处打开或关闭; 以及作为通信算术运算装置的第二区域120,用于经由通信网络从显示操作单元发送/接收信息或发送第一区域的信息。
    • 4. 发明授权
    • Switching control system of circuit breaker
    • 断路器开关控制系统
    • US08018097B2
    • 2011-09-13
    • US12443980
    • 2007-10-02
    • Minoru SaitoHiroyuki MaeharaShiro Maruyama
    • Minoru SaitoHiroyuki MaeharaShiro Maruyama
    • H02B1/24
    • H01H9/563H01H2300/03H02J13/0086Y02B70/3241Y02B90/224Y04S20/14Y04S20/227Y10T307/74Y10T307/951
    • A switching control system of circuit breaker, including at least: one switching control unit per circuit breaker, each of which inputs electrical quantity of power system voltage and main circuit current, state quantity of a circuit breaker, and an opening command signal or closing command signal of the circuit breaker, and performs control to cause the circuit breaker to open or close at a desired phase of the power system voltage or main circuit current; and a display operation unit connected with the switching control unit via a communication network and performs display operation to operate and monitor the operation and state of the switching control unit of circuit breaker. The switching control unit includes a first area for causing the circuit breaker to open or close at a desired phase of the power system voltage or current; and a second area for transmitting/receiving information via the communication network.
    • 一种断路器的开关控制系统,至少包括:每个断路器的一个开关控制单元,每个断路器输入电力系统电压和主电路电流的电量,断路器的状态量以及开启指令信号或闭合指令 信号,并且执行控制以使断路器在电力系统电压或主电路电流的期望相位处打开或关闭; 以及显示操作单元,其经由通信网络与切换控制单元连接,并执行显示操作以操作和监视断路器的切换控制单元的操作和状态。 切换控制单元包括用于使断路器在电力系统电压或电流的期望相位处打开或关闭的第一区域; 以及经由通信网络发送/接收信息的第二区域。
    • 7. 发明申请
    • PARTIAL DISCHARGE DETECTOR FOR GAS-INSULATED ELECTRIC APPARATUS
    • 用于气体绝缘电器的部分放电检测器
    • US20110080161A1
    • 2011-04-07
    • US12896020
    • 2010-10-01
    • Shiro MaruyamaToshihiro HoshinoTakaaki Sakakibara
    • Shiro MaruyamaToshihiro HoshinoTakaaki Sakakibara
    • G01R31/00
    • G01R31/1254
    • A partial discharge detector for gas-insulated electric apparatus of an embodiment detects an electromagnetic wave ascribable to partial discharge in a gas-insulated electric apparatus which is filled with insulating gas, and in which a conductor to which high voltage is applied is supported in conductor supporting holes provided at centers of a plurality of disk-shaped insulating plates, and a plurality of flanged-conductive pipes form a hermetically sealed container, with flange portions thereof pressingly sandwiching and holding peripheral edge portions of the insulating plates from both surface sides. The partial discharge detector for gas-insulated electric apparatus of this embodiment is characterized in that an antenna detecting the electromagnetic wave is disposed in close contact on a portion, of each of the insulating plates, exposed from the flange portions of the flanged conductive pipes, via an elastic member capable of transmitting the electromagnetic wave.
    • 实施例的气体绝缘电气设备的局部放电检测器在填充有绝缘气体的气体绝缘电气设备中检测归因于局部放电的电磁波,并且其中施加高电压的导体被支撑在导体中 设置在多个盘状绝缘板的中心处的支撑孔和多个法兰导电管形成密封容器,其凸缘部分从两个表面侧按压夹持并保持绝缘板的周边部分。 本实施方式的气体绝缘电气设备的局部放电检测器的特征在于,检测电磁波的天线紧密接触在每个绝缘板的从凸缘导电管的凸缘部露出的部分上, 通过能够传送电磁波的弹性构件。
    • 8. 发明授权
    • Partial discharge detection device
    • 局部放电检测装置
    • US07746082B2
    • 2010-06-29
    • US11949585
    • 2007-12-03
    • Shiro MaruyamaTakaaki SakakibaraToshihiro Hoshino
    • Shiro MaruyamaTakaaki SakakibaraToshihiro Hoshino
    • G01R31/02H01H9/50
    • G01R31/1254
    • The present invention provides a high-performance partial discharge detection device which is user-friendly and compact and which allows detection of the electromagnetic waves caused by partial discharge, over a wide bandwidth with a simple constitution and a favorable S/N ratio. The waveguide antenna which receives electromagnetic waves that leak from the insulating spacer is attached to the outer circumferential face of the insulating spacer. The waveguide antenna is constituted by a waveguide portion and a coaxial cable connector which is installed on the waveguide portion. The waveguide portion has a metal short-circuit plate provided at one end thereof, and an opening formed at the other end thereof, which covers part of the outer circumferential face of the insulating spacer.
    • 本发明提供了一种用户友好且紧凑的高性能局部放电检测装置,其能够以简单的结构和良好的S / N比在宽带宽上检测由局部放电引起的电磁波。 接收从绝缘间隔件漏出的电磁波的波导天线安装在绝缘间隔物的外周面上。 波导天线由安装在波导部分上的波导部分和同轴电缆连接器构成。 波导部分具有设置在其一端的金属短路板和形成在其另一端的开口,该开口覆盖绝缘隔板的外周面的一部分。
    • 9. 发明授权
    • Apparatus monitoring system and apparatus monitoring method
    • 仪器监控系统和设备监控方法
    • US06522247B2
    • 2003-02-18
    • US09861725
    • 2001-05-22
    • Shiro MaruyamaTakaaki SakakibaraKyoichi UeharaMasayuki Akazaki
    • Shiro MaruyamaTakaaki SakakibaraKyoichi UeharaMasayuki Akazaki
    • G08B2900
    • H01H1/0015G05B23/0237G05B23/0272
    • A data acquisition and transmitting unit samples the signal indicating the apparatus state quantity from a sensor provided on an apparatus, converts the signal into absolute-time-tagged monitoring data S(t), stores the data S(t), and transmits the data S(t) to a network. A digital protection and control unit takes in the quantity data E about the system of the apparatus and the operating state data P about the apparatus, converts these data into absolute-time-tagged data E(t) and operating state data P(t), stores these converted data, and transmits these data E(t) and P(t) to the network. A data display unit receives the data S(t), E(t), and P(t) from the data acquisition and transmitting unit and digital protective and control unit via the network and displays the state of the apparatus on the basis of the data S(t), E(t), and P(t).
    • 数据采集​​和发送单元从设备上提供的传感器采样表示设备状态量的信号,将信号转换为绝对时间标记的监视数据S(t),存储数据S(t),并传送数据 S(t)到网络。 数字保护和控制单元获取关于装置系统的数量数据E和关于装置的操作状态数据P,将这些数据转换为绝对时间标记数据E(t)和操作状态数据P(t) 存储这些转换的数据,并将这些数据E(t)和P(t)发送到网络。 数据显示单元经由网络从数据采集发送单元和数字保护和控制单元接收数据S(t),E(t)和P(t),并基于该信息显示装置的状态 数据S(t),E(t)和P(t)。