A SWITCHING DEVICE
    2.
    发明授权

    公开(公告)号:EP3116007B1

    公开(公告)日:2018-10-31

    申请号:EP15175633.5

    申请日:2015-07-07

    Applicant: ABB Schweiz AG

    Abstract: A switching device (1) for low or medium voltage electric power distribution networks, said switching device comprising: - at least an electric pole (2) comprising a movable contact (4) and a fixed contact (5), which are coupleable/decoupleable one to another; - a circuit assembly (6), which comprises a chain (60) of semiconductor devices (601, 602, 603, 604, 605, 606) adapted to switch in an ON state or in an OFF state depending on the voltage applied thereto, said semiconductor devices being electrically connected in series one to another in such a way that a current can flow according to a predefined conduction direction (CD) when said semiconductor devices are in an ON state. The circuit assembly (6) comprises an input terminal (61), an output terminal (62) and at least an intermediate terminal (63) electrically connected with at least an intermediate electric node (64) positioned between two subsequent semiconductor devices (602, 603, 604, 605). The input terminal (61) is electrically connected with said fixed contact; The input terminal (61), the output terminal (62) and the at least an intermediate terminal (63) are electrically coupleable/decoupleable with/from said movable contact (4) when said movable contact reaches different positions (P 1 , P 2 , P 3 , P 4 ) during a movement towards/away from said fixed contact (5) in such a way that different groups (611, 612) of semiconductor devices switch in an ON state or in an OFF state at different instants (t 2 , t 3 , t 4 , t 6 , t 7 , t 8 ) during the movement of said movable contact, depending on the position reached by said movable contact.

    A SWITCHING DEVICE
    3.
    发明公开
    A SWITCHING DEVICE 审中-公开

    公开(公告)号:EP3624160A1

    公开(公告)日:2020-03-18

    申请号:EP18193829.1

    申请日:2018-09-11

    Applicant: ABB Schweiz AG

    Abstract: A switching device (1) for low or medium voltage electric power distribution networks, said switching device comprising one or more electric poles (2) and, for each electric pole:
    - an insulating housing (3) defining an internal volume (20) of said electric pole;
    - a first pole terminal (16) and a second pole terminal (17) electrically connectable with a corresponding electric phase conductor (101A) of an electric source (101) and with a corresponding electric phase conductor (102A) of an electric load (102), respectively;
    - a movable contact (4) and a fixed contact (5), which are coupleable/decoupleable one to another, said fixed contact being electric connected with said first pole terminal, said movable contact being electrically connected with said second pole terminal;
    - a stack (6) of semiconductor devices (60) adapted to switch in conduction state or in an interdiction state depending on the voltage provided thereto,

    A MV SWITCHING DEVICE OF THE ELECTROMAGNETIC TYPE

    公开(公告)号:EP3671798A1

    公开(公告)日:2020-06-24

    申请号:EP18215166.2

    申请日:2018-12-21

    Applicant: ABB Schweiz AG

    Abstract: A switching device (1) for medium voltage applications comprising:
    - one or more electric poles, each comprising a movable contact (11) and a fixed contact (12) adapted to be coupled or uncoupled during a switching operation of said switching device;
    - an electromagnetic actuator (13) comprising a magnetic core (131), a coil arrangement (132) wound around said magnetic core and a movable plunger (133) operatively coupled to the movable contacts of said electric poles;
    - a control unit (14) for controlling switching operations of said switching device.
    Said electromagnetic actuator (13) comprises a conditioning circuit (135) adapted to modify the electric behaviour of said coil arrangement (132) when said conditioning circuit is electrically connected with said coil arrangement.
    Said conditioning circuit is electrically connected with or disconnected from said coil arrangement, when said movable contact (11) reaches or overruns a reference position (P) during a switching operation of said switching device.

    A SWITCHING DEVICE
    5.
    发明公开
    A SWITCHING DEVICE 审中-公开

    公开(公告)号:EP3624159A1

    公开(公告)日:2020-03-18

    申请号:EP18193805.1

    申请日:2018-09-11

    Applicant: ABB Schweiz AG

    Abstract: A switching device (1) for low or medium voltage electric power distribution networks, said switching device comprising one or more electric poles (2), each electric pole comprising:
    - an insulating housing (3) extending along a longitudinal axis (100) and fixed to a main support structure (1A) of said switching device;
    - a first pole terminal (16) and a second pole terminal (17) electrically connectable with a corresponding phase conductor (101A) of an electric power source (101) and with a corresponding load conductor (102A) of an electric load (102), respectively;
    - a movable contact (4) and a fixed contact (5), which are electrically coupleable or decoupleable one with or from another upon a movement of said movable contact towards or away from said fixed contact, said fixed contact being electrically connected with said first pole terminal, said movable contact being electrically connectable with said second pole terminal;
    - a movable circuit assembly (6) including a plurality of semiconductor devices (60) adapted to switch in a conduction state or in an interdiction state depending on the voltage applied thereto, said semiconductor devices being electrically connected in series one to another in such a way that a current (I LOAD ) can flow according to a predefined conduction direction (CD) when said semiconductor devices are in a conduction state, said movable circuit assembly comprising first and second assembly terminals (61, 62) for said plurality of semiconductor devices (60).
    Said movable circuit assembly (6) is operatively coupled with said movable contact (4) and moves together with said movable contact during a movement of said movable contact towards or away from said fixed contact (5), said semiconductor devices switching in a conduction on state or in an interdiction state depending on the position (P 1 , P 2 , P 3 ) of said movable contact.

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