Importance

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Abstract

The present invention relates to a pumped-storage hydroelectricity generator and, more particularly, to a pumped-storage hydroelectricity generator with improved efficiency, capable of converting water stored in an upper portion into electric energy as much as possible while minimizing loss of the water. The present invention provides a pumped-storage hydroelectricity generator, which includes: an upper water tank to store pumped water, rainwater, or river water input via a pipe using midnight electricity; a hydraulic turbine that receives the stored water from an outlet of the upper water tank and is rotated to generate rotational force; a generator to produce electricity by the rotational force of the hydraulic turbine; a lower collector to collect water rotating the hydraulic turbine; and a simple generating device installed in a discharge pipe of the lower collector and rotated by discharged water, thereby producing electricity, wherein the hydraulic turbine includes a top rotary shaft and a bottom rotary shaft installed on upper and lower portions, respectively, by a main frame and a circulating belt that is in a closed loop to be rotated while being wound around the top and bottom rotary shafts and includes a load transfer means formed on an outer surface thereof, which is rotated by water supplied from the upper water tank; wherein the simple generating device includes a propeller installed in the discharge pipe and rotated by a water discharge pressure, a simple rotary shaft coupled to the propeller and withdrawn to the outside of the discharge pipe; and a simple generator to generate electricity by the rotational force of the simple rotary shaft.

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First Claim