An elevator system includes a primary source of electrical power; a power unit having a power supply, the power supply producing DC power from the primary source of electrical power; and a rescue storage device providing power to the elevator system when the primary source of electrical power is unavailable; the rescue storage device coupled to an output of the power supply to provide additional DC power with the DC power when the primary source of electrical power is available and an increased power requirement is present.
ELEVATOR SYSTEM USING RESCUE STORAGE DEVICE FOR INCREASED POWER
2016-08-11
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |
Elevator system using rescue storage device for increased power
Europäisches Patentamt | 2018
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