Importance

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Abstract

A pumped-storage hydropower generation tower employing conduit turbines installed in multiple stages, according to the present invention, comprises: a pump (400) disposed in a pumping-up pipe (410) so as to pump up water that fills a lower reservoir (300) to an upper reservoir (200); a water-guide pipe channel (500) having an inlet water-guide conduit (510) connected to the bottom surface on one side of the upper reservoir (200) so as to extend to the position of the lower reservoir (300) along a helical sloping channel (100) such that a flow rate for power generation passes therein; and a conduit turbine unit (600) comprising a driving shaft (2) extending through the center of a conduit (22) through which the flow rate passes, conduit support bodies (4) installed so as to rotate freely while supporting the driving shaft (2), the conduit support bodies (4) having arms (6) extending toward the inner surface of the conduit (22), a propeller (7) fixed to the driving shaft (2) between the conduit support bodies (4) so as to be rotated by movement of the flow rate, and a generator (10) configured to receive rotational power from the driving shaft (2) and to generate electricity, wherein at least two conduit turbine units (600) are disposed in multiple stages along the water-guide pipe channel (500).

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First Claim