HYDRAULIC ENERGY CONVERSION PLANT AND ITS CONTROL METHOD Russian patent published in 2014 - IPC F03B3/18 F03B11/00 

FIELD: power industry.

SUBSTANCE: invention relates to a plant intended to convert hydraulic energy to electrical energy or mechanical energy. The plant (I) for conversion of hydraulic energy to electrical energy or to mechanical energy includes a hydraulic turbine (1), a channel (5) for the supply to this turbine of a pressure water flow (E), a channel (8) for the removal of a flow leaving the turbine and guide vanes (20) for the movement of the flow in the removal channel. Each guide vane (20) is movable as to rotational movement relative to an axis (X₂₂) crossing a wall (84) of the removal channel. The plant includes control devices of the guide vane angular position relative to its rotation axis, which include a unit 10 and a servo motor. Each guide vane (20) movable as to rotational movement is retracted into the wall (84) of the removal channel (8). The plant includes a piston that can adjust the submersion of the guide vane (20) into the wall (84).

EFFECT: invention is aimed at the stabilisation of a flow passing through theremoval channel without any decrease of an efficiency coefficient in different modes of the plant operation.

11 cl, 7 dwg