A method of stopping an elevator in the event of a power failure is provided. The method includes determining that a power source for a drive system of an elevator has failed, retaining energy electrically separate from the power source, managing the retained energy to enable drive-assisted emergency stopping of an elevator, and stopping an elevator using the managed, retained energy.
DRIVE ASSISTED EMERGENCY STOP
15.12.2016
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |