An elevator brake control system (10) is described, in particular for controlling an elevator brake in a machine room-less elevator, the elevator including a drive machine drivingly coupled to an elevator car for moving the elevator car between a plurality of landings in a hoistway, and an elevator brake having at least an engaged condition for holding the elevator car at a fixed position in the hoistway, and a released condition for allowing the elevator car to move along the hoistway; the elevator brake control system (10) comprising a first safety device (T1) and a second safety device (T2), each of the first safety device (T1) and the second safety device (T2) responsive to detection of a failure in any sub-system of the elevator, such as to bring the elevator brake into its engaged condition in response to detection of such failure; wherein each of the first safety device (T1) and the second safety device (T2) comprises a power semiconductor switching device.


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    Title :

    Elevator brake control system


    Contributors:

    Publication date :

    2019-10-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS




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