HYDROELECTRIC POWER PLANT (HPP) ON CIRCULAR WATER FLOW Russian patent published in 2010 - IPC E02B9/00 

FIELD: construction.

SUBSTANCE: invention relates to the field of hydropower engineering. Device comprises water intake from river, steep canal or discharge pipeline, spiral or circular tray, which sends flow to turbine and generator connected to turbine. Speeded flow entering from inlet nozzle acquires shape of circular tray of hydraulic ring type, and near inlet of flow into circular flow, at the bottom, there is a threshold installed, and bottom of circular tray is arranged below level of inlet nozzle by height of threshold, besides on external board of circular tray, where monorails are installed, upstream inlet nozzle, there is a segment surface drain arranged, equipped with horizontal control valve along arc of external board, under the drain there is a reservoir placed to collect drained water, and it changes into drain nozzle along body tangent, and in the centre of tray hydraulic ring body there is a pylon installed to fix axis of hydroturbine or electric current generator rotor.

EFFECT: invention simplifies design of HPP and increases electric energy yield.

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