The invention discloses an elevator having an electric energy feedback device, and belongs to the technical field of power saving elevators. The elevator comprises a car lifted in a hoistway, a motor for driving the car, a commercial power network for providing power support for the lifting of the car, a control device for controlling the lifting of the car, and the electric energy feedback device, wherein the electric energy feedback device comprises a sampling unit, a transmission unit and a central processing unit. The elevator achieves a power saving effect through returning electric energy generated by a tractor to the commercial power network.
Elevator having electric energy feedback device
23.12.2015
Patent
Elektronische Ressource
Englisch
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