FIELD: power industry.
SUBSTANCE: underwater river-run hydroelectric power plant includes housing 1 with convergent supply and divergent discharge water passages, working chamber 4 with impeller placed in it. Working chamber 4 is toroidal-shaped. Impeller is made in the form of circular screw 5. The latter is kinematically connected in series to carrier 7, multiplying gear 8 and electric generator 9, which are arranged in air dome 6 located in central part of working chamber 4.
EFFECT: increasing efficiency due to increased torque moment of impeller shaft when obtaining electric power as a result of conversion of kinetic energy of water flow passing through river-run power plant irrespective of seasonal state and economic belonging of water reservoir.
2 dwg
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