Electrical systems of elevators and methods thereof, with an elevator alarm system (202) configured to provide an alarm within an elevator car (103) of the elevator system (101), wherein the elevator alarm system (202) is configured to be supplied with power from a primary power source (204). A secondary power source (206) includes a first storage device (208) and a second storage device (210) and a controller (218) is configured to control a power flow from the secondary power source (206) to the elevator alarm system (202) when the primary power source (204) fails and test a capacity of the first storage device (208) by discharging a power of the first storage device (208) and storing said discharged power within the second storage device (210).


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    Title :

    ELEVATOR ALARM SYSTEMS


    Additional title:

    AUFZUGALARMSYSTEME
    SYSTÈMES D'ALARME D'ASCENSEUR


    Contributors:

    Publication date :

    2022-04-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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