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    • 5. 发明公开
    • A MEDIUM VOLTAGE SWITCHGEAR OR CONTROL GEAR
    • EP3896806A1
    • 2021-10-20
    • EP20169293.6
    • 2020-04-14
    • ABB Schweiz AG
    • JAVORA, RadekKOZEL, TomasCERNOHOUS, JosefSKUCI, Michal
    • H02B13/02H02B11/00H02B1/30H02B13/035
    • The present invention relates to a medium voltage switchgear or control gear, comprising:
      - at least one first compartment (1, 2, 4);
      - a cable compartment (3, 10, 20);
      - a plurality of main switchgear or control gear components; and
      - a plurality of auxiliary switchgear or control gear components.
      The plurality of main switchgear or control gear components comprises a main busbar system, a circuit breaker, and a first connector (31). The plurality of main switchgear or control gear components are configured to be housed in at least one part of the at least one first compartment. The plurality of auxiliary switchgear or control gear components comprises a medium voltage cable, and a second connector (30). The plurality of auxiliary switchgear or control gear components are configured to be housed in the cable compartment. The second connector is configured to connect to the first connector to connect the medium voltage cable in the cable compartment to a component (12) of the plurality of main switchgear or control gear components. Tthe cable compartment is configured to be disconnected from the at least one first compartment and wherein the cable compartment is configured to be spatially separated from the at least one first compartment, and wherein the disconnection of the cable compartment from the at least one first compartment comprises a disconnection of the first connector from the second connector.
    • 9. 发明公开
    • THREE-POSITION DISCONNECTOR SWITCH
    • EP4089698A1
    • 2022-11-16
    • EP21173953.7
    • 2021-05-14
    • ABB Schweiz AG
    • SKUCI, MichalCERNOHOUS, JosefJAVORA, RadekKOZEL, Tomas
    • H01H1/36H01H31/32
    • The present invention relates to a three-position disconnector switch, comprising:an earthing contact (1); a power out contact (2); a power in contact (3); and a piston (4). The power out contact comprises a first part (2a) and a second part (2b), and wherein the first part is connected to the second part by a leg portion (2c). In a first switch position an outer surface of a wall of the piston makes a direct electrical contact with the first part of the power out contact and makes a direct electrical contact with the power in contact. In a second switch position the outer surface of the wall of the piston makes a direct electrical contact with the first part of the power out contact and makes a direct electrical contact with the second part of the power out contact. In a third switch position the outer surface of wall of the piston makes a direct electrical contact with the second part of the power out contact and makes a direct electrical contact with the earthing contact. The piston is configured to move along an axis of the three-position disconnector switch to transition the three-position disconnector switch between the different switch positions
    • 10. 发明公开
    • THREE-POSITION DISCONNECTOR SWITCH
    • EP4089699A1
    • 2022-11-16
    • EP21173956.0
    • 2021-05-14
    • ABB Schweiz AG
    • SKUCI, MichalCERNOHOUS, JosefJAVORA, RadekKOZEL, Tomas
    • H01H1/36H01H3/26H01H31/32
    • The present invention relates to a three-position disconnector switch, comprising: a power in contact (1); a piston (2); a power out contact (4); a plurality of flexible locking elements (5); an earthing contact (6); and a threaded rod (7). A length of the piston is such that in a first switch position an outer surface of a wall of the piston makes an electrical contact between the power in contact and the power out contact. The length of the piston is such that in a second switch position the outer surface of the wall of the piston does not make an electrical contact with either the earthing contact or the power in contact, and wherein in the second switch position the outer surface of the wall of the piston makes an electrical contact with the power out contact. The length of the piston is such that in a third switch position the outer surface of wall of the piston makes an electrical contact between the earthing contact and the power out contact. The piston comprises an inner threaded section configured to engage with the threaded rod, and wherein rotation of the threaded rod is configured to engage with the inner threaded section to move the piston along an axis of the switch between the different switch positions. The piston comprises a groove extending in a direction parallel to the axis. Each of the flexible locking elements is configured such that a part of each of the flexible locking elements moves into and out of the groove as the piston is moved along the axis of the switch between the different switch positions as the piston is moved in both directions along the axis. As the piston is moved along the axis the switch is configured such that there is always a part of at least one flexible locking element in the groove. When a part of at least one flexible locking element is in the groove the piston is constrained from rotating about the axis.