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    VACUUM INTERRUPTER ASSEMBLY FOR A POWER DIVERTER SWITCH, POWER DIVERTER SWITCH FOR A TRANSFORMER LOAD TAP CHANGER AND TRANSFORMER LOAD TAP CHANGER
    2.
    发明公开
    VACUUM INTERRUPTER ASSEMBLY FOR A POWER DIVERTER SWITCH, POWER DIVERTER SWITCH FOR A TRANSFORMER LOAD TAP CHANGER AND TRANSFORMER LOAD TAP CHANGER 审中-公开

    公开(公告)号：EP4084032A1

    公开(公告)日：2022-11-02

    申请号：EP21170940.7

    申请日：2021-04-28

    申请人： Hitachi Energy Switzerland AG

    发明人： MARINOV, Plamen ,  MITEV, Petar

    IPC分类号： H01H1/50 ,  H01H3/60 ,  H01H9/00

    摘要： A vacuum interrupter assembly (10) for a power diverter switch comprises a vacuum interrupter (11) and a driving mechanism (12) which is coupled to the vacuum interrupter (11) and which is configured to drive opening and closing of electrical contacts of the vacuum interrupter (11). The driving mechanism (12) includes a driving rod (19) and a guiding tube (18) enclosing the driving rod (19) such that the driving rod (19) is axially movable inside the guiding tube (18) along a longitudinal axis (L) of the vacuum interrupter assembly (10). A damping unit (20) is coupled with the driving mechanism (12) and comprises a first chamber (21), a second chamber (22) and a piston (29) arranged there between with respect to the longitudinal axis (L), wherein the chambers (21, 22) are coupled with each other hydraulically and limited by the guiding tube (18) and the piston (29), and wherein the piston (29) is coupled with the driving rod (19) axially movable along the longitudinal axis (L) such that in interaction with a fluid the damping unit (20) provides hydraulic damping both when opening and when closing the electrical contacts of the vacuum interrupter (11) due to movement of the driving rod (19) and the piston (29) .

    ELECTRONIC CIRCUIT BREAKER WITH PHYSICAL OPEN-CONTACT CONSTRUCTION AND FAIL-SAFE PROTECTION WITH DISABLING FEATURE
    6.
    发明公开
    ELECTRONIC CIRCUIT BREAKER WITH PHYSICAL OPEN-CONTACT CONSTRUCTION AND FAIL-SAFE PROTECTION WITH DISABLING FEATURE 审中-公开

    公开(公告)号：EP3700037A1

    公开(公告)日：2020-08-26

    申请号：EP19219530.3

    申请日：2019-12-23

    申请人： Sorenson, Richard W.

    发明人： Sorenson, Richard W.

    IPC分类号： H02H3/04 ,  H01H47/00 ,  H01H71/24 ,  H01H71/12 ,  H01H47/22 ,  H01H71/04 ,  H01H1/50 ,  H01H83/20

    摘要： A circuit breaker includes contacts movable between a closed position wherein a line terminal and a load terminal are in electrical communication, and an open position wherein the line and the load terminals are electrically isolated. A primary trip coil and a secondary trip coil are connected to the contacts, each causing the contacts to move from the closed position to the open position when activated, thereby tripping the breaker. A monitoring circuit, upon a determination being made that the breaker is not operating within acceptable trip parameters, causes activation of the primary trip coil, and, upon a determination being made that the breaker is not operating within acceptable disable parameters, causes activation of the secondary trip coil. The breaker is user resettable if the breaker has been tripped by the primary trip coil, but is not user resettable if the breaker has been tripped by the secondary trip coil.

    CLOSING SWITCH AND SWITCHGEAR
    7.
    发明公开
    CLOSING SWITCH AND SWITCHGEAR 审中-公开

    公开(公告)号：EP3696842A1

    公开(公告)日：2020-08-19

    申请号：EP19156880.7

    申请日：2019-02-13

    申请人： ABB Schweiz AG

    发明人： MANNEKUTLA, James ,  JEPPSSON, Ola ,  VALDEMARSSON, Stefan

    IPC分类号： H01H39/00 ,  H01H79/00 ,  H01H1/50 ,  H01H1/06

    摘要： An electrical short-circuiting closing switch (12) comprising an electrically insulating housing (14); a first electrode (16) having a tapered first electrode opening (30); a second electrode (18) having a tapered second electrode opening (32); a movable contact (46) having a tapered profile (48), the movable contact (46) being movable relative to the housing (14) along a closing axis (20) from an open position (24), in which the movable contact (46) is electrically disconnected from the second electrode (18), to a closed position (60), in which the movable contact (46) electrically connects the first electrode (16) and the second electrode (18) by engaging the tapered profile (48) with the first electrode opening (30) and the second electrode opening (32); and an actuator (52) arranged to force the movable contact (46) from the open position (24) to the closed position (60); wherein at least one of the first electrode (16) and the second electrode (18) is flexibly attached to the housing (14). A switchgear (10) comprising a closing switch (12) is also provided.

    DISPOSITIF DE COUPURE D'UN COURANT ÉLECTRIQUE
    10.
    发明公开
    DISPOSITIF DE COUPURE D'UN COURANT ÉLECTRIQUE 审中-公开

    公开(公告)号：EP3503144A1

    公开(公告)日：2019-06-26

    申请号：EP18208629.8

    申请日：2018-11-27

    申请人： Schneider Electric Industries SAS

    发明人： COUZON, David ,  GARCIA, José ,  CROTTO, Ludovic ,  BATTAIL, Sylvain

    IPC分类号： H01H1/20 ,  H01H1/50 ,  H01H73/04 ,  H01H3/60 ,  H01H50/30

    摘要： Ce dispositif de coupure d'un courant électrique comprend :
    - des contacts électriques fixes (4, 6) et mobile (16) ;
    - une cage (12) et un poussoir mobile apte à se déplacer en translation par rapport à la cage, la cage délimitant une cavité de réception à l'intérieur de laquelle le poussoir est reçu, le contact mobile étant monté sur le poussoir, le déplacement du poussoir permettant de commuter le dispositif de coupure ;
    - un organe de rappel élastique (28) qui rappelle le poussoir vers sa position déployée.
    Le dispositif de coupure comporte en outre, disposée à une extrémité distale de la cavité de réception :
    - une zone de freinage (42) formant une restriction qui réduit localement les dimensions de la cavité de réception, afin de ralentir le poussoir ;
    - une butée (44) pour arrêter le mouvement du poussoir.