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    ELECTRICAL SWITCHING ARRANGEMENT
    1.
    发明公开
    ELECTRICAL SWITCHING ARRANGEMENT 审中-公开

    公开(公告)号：US20240363292A1

    公开(公告)日：2024-10-31

    申请号：US18691699

    申请日：2022-09-19

    Applicant: Eaton Intelligent Power Limited

    Inventor： Kenan ASKAN

    IPC: H01H9/54 ,  H01H33/59

    CPC classification number: H01H9/542 ,  H01H33/596 ,  H01H2009/544

    Abstract: An electrical switching arrangement comprising a first conductor path and a second conductor path, whereby the second conductor path is connected in parallel to the first conductor path, a first switch which is arranged in the first conductor path, a second switch which is arranged in the second conductor path, it is suggested, that that at least a first semiconductor device is arranged in the second conductor path, and that the first semiconductor device is located in series to the second switch.

    RELAY DRIVING DEVICE
    2.
    发明公开
    RELAY DRIVING DEVICE 审中-公开

    公开(公告)号：US20240258056A1

    公开(公告)日：2024-08-01

    申请号：US18561174

    申请日：2022-06-24

    Applicant: HANWHA SOLUTIONS CORPORATION

    Inventor： Jae Geun LEE

    IPC: H01H47/32 ,  H01H9/54 ,  H01H47/02

    CPC classification number: H01H47/325 ,  H01H9/542 ,  H01H47/02

    Abstract: The present disclosure provides a relay driving device including a relay including a relay switch and a relay coil magnetically coupled to the relay switch to turn on or off the relay switch; a controller for outputting a first control signal; a first switch for receiving the first control signal and being turned on or off to supply or block a first current to the relay coil; a control resistor connected between the relay coil and the first switch; a signal generator for receiving the first control signal and generating a second control signal; and a second switch receiving the second control signal and being turned on or off to supply or block a second current higher than the first current to the relay coil.

    Hybrid circuit breakers
    4.
    发明授权
    Hybrid circuit breakers 有权

    公开(公告)号：US11837865B2

    公开(公告)日：2023-12-05

    申请号：US17557258

    申请日：2021-12-21

    Applicant: ABB S.p.A.

    Inventor： Li Qi ,  Yuzhi Zhang ,  Taosha Jiang

    IPC: H02H9/02 ,  H01H9/54 ,  H02H1/00 ,  H03K3/017

    CPC classification number: H02H9/02 ,  H01H9/542 ,  H02H1/0007 ,  H03K3/017

    Abstract: In one aspect, a hybrid circuit protection device for current-limiting a fault current between a source and a load during a fault is provided. The hybrid circuit protection device includes an input configured to couple to the source, an output configured to couple to the load, a return configured to couple the source to the load, a main switch configured to selectively couple the input to the output, a switching network coupled in parallel with the main switch, and a controller. The controller is configured to determine that the main switch has opened in response to the fault current, where the fault current has an initial value, and activate the switching network to current-limit the fault current to less than the initial value during the fault.

    HYBRID CIRCUIT BREAKER HAVING A BRIDGE INDUCTION TRANSFER STRUCTURE
    7.
    发明申请
    HYBRID CIRCUIT BREAKER HAVING A BRIDGE INDUCTION TRANSFER STRUCTURE 审中-公开

    公开(公告)号：US20180138687A1

    公开(公告)日：2018-05-17

    申请号：US15494115

    申请日：2017-04-21

    Applicant: XI'AN JIAOTONG UNIVERSITY

    Inventor： Fei YANG ,  Yi WU ,  Mingzhe RONG ,  Yifei WU ,  Chunping NIU

    IPC: H02H3/02 ,  H01H9/54

    CPC classification number: H01H9/542 ,  H01H9/548 ,  H01H33/14 ,  H01H33/596 ,  H01H2009/543 ,  H01H2009/544 ,  H02H3/08 ,  H02H3/087

    Abstract: The present disclosure provides a hybrid circuit breaker having a bridge induction transfer structure, characterized in that the circuit breaker comprises a main current circuit, an over-voltage limiting circuit, and a transfer current circuit; and the main current circuit, the over-voltage limiting circuit, and the transfer current circuit are connected in parallel. The induction transfer circuit in the transfer current circuit comprises an induction transfer inductor, an induction transfer capacitor, and an induction transfer branch power semiconductor device which are connected in series; the transfer current circuit further comprises a bridge circuit comprised of a main loop capacitor; the main loop inductor and the induction transfer inductor are coupled to form a transformer. The present invention can implement fast breaking of the current, and effectively reduce the volume and manufacturing cost of the circuit breaker. With the induction transfer circuit, fast current transfer is implemented. The main loop capacitor needs no pre-charging. Isolation between the secondary charging circuit and the main loop is implemented. The transfer speed is fast, and the breaking reliability is high.

    Two Terminal Arc Suppressor
    10.
    发明申请
    Two Terminal Arc Suppressor 审中-公开

    公开(公告)号：US20170236661A1

    公开(公告)日：2017-08-17

    申请号：US15361835

    申请日：2016-11-28

    Applicant: ARC Suppression Technologies, LLC

    Inventor： Reinhold Henke

    IPC: H01H9/30 ,  H01H89/00 ,  H01H9/54

    CPC classification number: H01H9/30 ,  H01H9/542 ,  H01H9/547 ,  H01H89/00

    Abstract: A two terminal arc suppressor for protecting switch, relay or contactor contacts and the like comprises a two terminal module adapted to be attached in parallel with the contacts to be protected and including a circuit for deriving an operating voltage upon the transitioning of the switch, relay or contactor contacts from a closed to an open disposition, the power being rectified arid the resulting DC signal used to trigger a power triac switch via an optoisolator circuit whereby arc suppression pulses are generated for short predetermined intervals only at a transition of the mechanical switch, relay or contactor contacts from an closed to an open transition and, again, at an open to a close transition during contact bounce conditions.

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