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    A switching device and a switchgear
    2.
    发明专利
    A switching device and a switchgear 未知

    公开(公告)号：AU2011370757A1

    公开(公告)日：2014-01-30

    申请号：AU2011370757

    申请日：2011-06-16

    Applicant: ABB TECHNOLOGY AG

    Inventor： BJORTUFT TOM-RUNE ,  ENDRE THOR ,  SKRYTEN PAL KRISTIAN ,  HADLAND HAVARD ,  TVETEN JOHN-ANDERS ,  LOHNE STANLEY

    IPC: H01H31/00 ,  H01H33/12 ,  H01H33/666

    Abstract: A switching device (102, 104, 106) for electric power distribution, electrically connectable to an electrical conductor (114, 116, 118), the switching device comprising a breaker (126, 128, 130), the breaker being electrically connectable to the electrical conductor, and an at least partially electrically conductive housing (120, 122, 124) to which the breaker is mounted. The switching device provides a current path between the breaker and the electrical conductor. The housing houses at least one guiding member (150, 152) for operating the breaker. The housing houses a first part (131) of the current path between the breaker and the electrical conductor, the first part of the current path being electrically connected to the breaker, wherein the switching device comprises a switch (144) for electrically connecting the breaker to the electrical conductor, the switch comprising a switch element (146) movable to a first position in which the switch element is electrically connected to the first part of the current path and to the electrical conductor, movable to a second position in which the switch element is disconnected from the electrical conductor and electrically connected to the first part of the current path and to a grounded element (192), and movable to a third position in which the switch element is disconnected from the electrical conductor and from the grounded element. A switchgear for electric power distribution comprising at least one such switching device.

    A switching device and a switchgear
    3.
    发明专利
    A switching device and a switchgear 未知

    公开(公告)号：AU2011370756A1

    公开(公告)日：2013-12-05

    申请号：AU2011370756

    申请日：2011-06-16

    Applicant: ABB TECHNOLOGY AG

    Inventor： ENDRE THOR ,  BJORTUFT TOM-RUNE ,  SKRYTEN PAL KRISTIAN ,  HADLAND HAVARD ,  TVETEN JOHN-ANDERS ,  LOHNE STANLEY

    IPC: H01H1/50 ,  H01H31/00 ,  H01H33/12 ,  H01H33/666

    Abstract: A switching device (102, 104, 106) for electric power distribution, electrically connectable to an electrical conductor (114, 116, 118), the switching device comprising a breaker (126, 128, 130) electrically connectable to the electrical conductor, and an at least partially electrically conductive housing (120, 122, 124) to which the breaker is mounted, the housing having an outer surface (134).The breaker comprises at least one electrically conductive first contact (202) and one electrically conductive second contact (204), the second contact being movable and in relation to the first contact and in relation to the housing, and when the first and second contacts are in contact the breaker is in a closed position, and when the first and second contacts are separated the breaker is in an open position. The switching device is arranged to provide a current path between the breaker and the electrical conductor, and the housing houses at least one guiding member (150, 152) for operating the second contact (204), the at least one guiding member being movable in relation to the housing, wherein the at least one guiding member comprises a biasing assembly (151) arranged to bias the second contact against the first contact when the breaker is in the closed position. The biasing assembly comprises a plurality of biasing members (156, 158) comprising a first biasing member (156) and a second biasing member (158). A switchgear for electric power distribution comprising at least one such switching device.

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