Device for automatically rescuing lift and saving energy and method thereof, and super-capacitor module

The present application generally relates to a device for automatically rescuing a lift and saving energy and a method thereof, and a super-capacitor module. The method comprises: when power from a power grid is available, selecting a single-phase power from the power grid as AC supply of a lift controller, and controlling a DC-DC converter to charge a super-capacitor module connected therewith to a specified backup energy; and when the power from the power grid is unavailable, selecting energy stored in the super-capacitor module as a rescue energy for a traction motor and the lift controller. The present application provides the stable and reliable power supply for rescuing lifts by using the super-capacitor module when the power failure happens suddenly, stores the feedback energy generated during the lift braking, and reuses the feedback energy during the lift motoring, whereby saving the energy.