METHOD FOR OPERATING WINCH AND ELECTRIC DRIVE FOR DRIVING WINCH

    公开(公告)号:US20190284030A1

    公开(公告)日:2019-09-19

    申请号:US16353518

    申请日:2019-03-14

    Applicant: ABB Schweiz AG

    Abstract: A method for operating a winch and an electric drive for driving a winch including a rotatable winch drum for spooling a spoolable medium and an electric motor operably coupled to the winch drum, the electric drive being configured to drive the winch drum by driving the electric motor such that a tension of the spoolable medium reaches a predetermined tension set point value or value range, and set a driving speed of the electric motor to zero, and after the setting of the driving speed of the electric motor to zero, drive the electric motor to alternate directions of rotation at predetermined driving speeds such that the direction of rotation is changed at a predetermined frequency.

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