ELEVATOR AUTOMATIC RESCUE AND ENERGY-SAVING DEVICE AND CONTROL METHOD FOR SAME 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 con...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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