MEDIUM VOLTAGE SWITCHING POLE
    21.
    发明申请

    公开(公告)号:US20210313127A1

    公开(公告)日:2021-10-07

    申请号:US17351277

    申请日:2021-06-18

    Applicant: ABB Schweiz AG

    Abstract: A medium voltage switching pole includes: a fixed contact of a vacuum interrupter; a movable contact of the vacuum interrupter; a piston; at least one electrical contact; a first terminal; and a second terminal. The fixed contact is fixedly connected to the first terminal. The movable contact is fixedly connected to the piston. The piston moves within the second terminal along an axis. The at least one electrical contact makes an electrical connection between the piston and the second terminal. An outer surface of the piston and an inner surface of the second terminal are arranged such that: when in an open configuration the fixed contact and movable contact are separated, at least one first radial line perpendicular to the axis extends through locations of the at least one electrical contact, and a first distance along the at least one first radial line extends from the outer surface.

    METHOD FOR OPERATING A MEDIUM VOLTAGE CIRCUIT BREAKER OR RECLOSER AND MEDIUM VOLTAGE CIRCUIT BREAKER OR RECLOSER ITSELF

    公开(公告)号:US20200227221A1

    公开(公告)日:2020-07-16

    申请号:US16827729

    申请日:2020-03-24

    Applicant: ABB Schweiz AG

    Inventor: Christian Reuber

    Abstract: A method for operating a medium voltage circuit breaker or recloser comprising at least one electric pole, each including a movable contact and a fixed contact, being in a closed or an open position after switching operations of the medium voltage circuit breaker or recloser, and an electromagnetic actuator, includes: monitoring a travel curve of the movable contact, the travel curve being derived by an evaluation of a shape of an applied current and a shape of an applied voltage using a mathematical representation of the electromagnetic actuator.

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