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    NETWORK SYSTEM AND CONTROL METHOD OF NETWORK SYSTEM
    1.
    发明公开
    NETWORK SYSTEM AND CONTROL METHOD OF NETWORK SYSTEM 审中-公开

    公开(公告)号：US20230327431A1

    公开(公告)日：2023-10-12

    申请号：US18334014

    申请日：2023-06-13

    Applicant: TOHOKU UNIVERSITY ,  FURUKAWA ELECTRIC CO., LTD.

    Inventor： Taiichi OTSUJI ,  Katsumi IWATSUKI ,  Hirohito YAMADA ,  Masafumi YASHIMA ,  Masakazu MATSUI ,  Hiroyuki KOSHI

    IPC: H02J1/00 ,  H01Q21/00

    CPC classification number: H02J1/00 ,  H01Q21/00

    Abstract: A network system includes: a wireless base station configured to relay communication performed by wireless terminals; distributed antennas each being configured to be connected to the wireless base station and form a cell that enables communication with the wireless terminals; direct-current grids each being arranged in a predetermined form in a communication area formed by the cells and configured to interchange power with power devices connected to the subject direct-current grid; a power gate arranged between the direct-current grids located adjacent to each other and configured to interchange power between the adjacent direct-current grids; and a control device configured to control the power gate based on information acquired from the power devices via the distributed antennas. The power devices connected to the direct-current grids are configured to perform communication with the control device via the distributed antennas that form the communication area including the direct-current grids.

    SUPERCONDUCTING FAULT CURRENT LIMITER AND COOLING METHOD FOR SUPERCONDUCTING ELEMENT WITHIN SUPERCONDUCTING FAULT CURRENT LIMITER
    2.
    发明申请
    SUPERCONDUCTING FAULT CURRENT LIMITER AND COOLING METHOD FOR SUPERCONDUCTING ELEMENT WITHIN SUPERCONDUCTING FAULT CURRENT LIMITER 审中-公开
    超导故障电流限制中超导元件的超导故障电流限制和冷却方法

    公开(公告)号：US20150382505A1

    公开(公告)日：2015-12-31

    申请号：US14767878

    申请日：2014-02-07

    Applicant: FURUKAWA ELECTRIC CO., LTD.

    Inventor： Hajime KASAHARA ,  Tomohiro NAKAYAMA ,  Masakazu MATSUI

    IPC: H05K7/20 ,  H02H9/02

    CPC classification number: H05K7/20236 ,  H01L39/16 ,  H02H7/001 ,  H02H9/023 ,  Y02E40/68

    Abstract: A superconducting fault current limiter (10) is provided with superconducting elements (71, 72) that are in a superconducting state during electrification with a current value in a fixed range and in a normal conducting state during electrification with a fault current in which the current value exceeds the fixed range and is further provided with a coolant vessel (20), which accommodates a liquid coolant (60) and a plurality of superconducting elements, and a cooling means (40) that cools the liquid coolant within the coolant vessel. Within the liquid coolant, the superconducting element (71) for which the critical current is smallest among the plurality of superconducting elements is disposed on the upper side of any other superconducting elements (72). Thus, the superconducting element (71) is cooled, and the life of the superconducting fault current limiter as a whole is extended.

    Abstract translation: 超导故障限流器（10）设置有超导​​元件（71,72），其在通电期间处于超导状态，电流值在固定范围内，并且在通电期间处于正常导通状态，其中电流 值超过固定范围，并且还设置有容纳液体冷却剂（60）和多个超导元件的冷却剂容器（20），以及冷却冷却剂容器内的液体冷却剂的冷却装置（40）。 在液体冷却剂内，临时电流在多个超导元件中最小的超导元件（71）设置在任何其它超导元件（72）的上侧。 因此，超导元件（71）被冷却，并且整个超导故障限流器的寿命延长。

    NETWORK SYSTEM AND CONFIGURATION METHOD OF NETWORK ARCHITECTURE
    3.
    发明公开
    NETWORK SYSTEM AND CONFIGURATION METHOD OF NETWORK ARCHITECTURE 审中-公开

    公开(公告)号：US20230344269A1

    公开(公告)日：2023-10-26

    申请号：US18344183

    申请日：2023-06-29

    Applicant: TOHOKU UNIVERSITY ,  FURUKAWA ELECTRIC CO., LTD.

    Inventor： Taiichi OTSUJI ,  Katsumi IWATSUKI ,  Hirohito YAMADA ,  Masafumi YASHIMA ,  Masakazu MATSUI ,  Hiroyuki KOSHI

    IPC: H02J13/00 ,  H02J3/38

    CPC classification number: H02J13/00007 ,  H02J3/38

    Abstract: A network system includes a network architecture including: a network layer configured to define an entirety of an electric power network constituted from electric power grids; a local network layer configured to define a local network corresponding to electric power grid groups and forming a part of the electric power network; a grid layer configured to define the electric power grids; a physical layer configured to define constituent elements included in the electric power grids; a first layer configured to define the information communication network that is associated with the network layer; a second layer configured to define the information communication network that is associated with the local network layer; a third layer configured to define the information communication network that is associated with the grid layer; and space, a fourth layer configured to define the information communication network that is associated with the physical layer.

    OXIDE SUPERCONDUCTING THIN FILM
    7.
    发明申请
    OXIDE SUPERCONDUCTING THIN FILM 审中-公开
    氧化物超薄膜

    公开(公告)号：US20130324415A1

    公开(公告)日：2013-12-05

    申请号：US13795300

    申请日：2013-03-12

    Applicant: Furukawa Electric Co., Ltd.

    Inventor： Kengo NAKAO ,  Hirokazu SASAKI ,  Hajime KASAHARA ,  Masakazu MATSUI

    IPC: H01L39/12

    CPC classification number: H01L39/128 ,  C30B7/00 ,  C30B7/14 ,  C30B29/225 ,  H01L39/126 ,  H01L39/2425 ,  H01L39/2461 ,  Y10T428/24355

    Abstract: The invention provides an oxide superconducting thin film, including: a base material; a superconducting layer containing a plurality of RE-based superconductor units including a rare earth element, CuO chains, and CuO2 planes; and an edge dislocation adjacent to the long CuO chain with respect to the layering direction. The CuO chains include long CuO chains that are present in the RE-based superconductor units in the vicinity of an interface between the superconducting layer and a layer adjacent to the base material side of the superconducting layer. The invention further provides an oxide superconducting thin film including a base material and an RE-based superconductor which includes CuO2 planes, CuO single chains and CuO double chains, and further includes a heterologous chain portion and a homologous chain portion.

    Abstract translation: 本发明提供一种氧化物超导薄膜，包括：基材; 包含多个包含稀土元素，CuO链和CuO 2面的基于RE的超导体单元的超导层; 以及相对于分层方向与长CuO链相邻的边缘位错。 CuO链包括在超导层和与超导层的基材侧相邻的层之间的界面附近存在于RE基超导体单元中的长CuO链。 本发明还提供了一种氧化物超导薄膜，其包括基材和包含CuO 2平面，CuO单链和CuO双链的RE基超导体，并且还包括异源链部分和同源链部分。

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