FIELD: engines and pumps.
SUBSTANCE: wind-power generating set comprises inlet shell of annular shape and annular external shell with cross section of its internal surface of circular shape. Turbine is installed coaxially inside annular shell. Mechanism for transformation of mechanical energy is kinematically connected to turbine. At least part of inlet shell external surface has shape of regular polygon in its cross section. Radius of regular polygon that determines shape of cross section of inlet shell external surface at the inlet to the latter makes at least 0.55 and does not exceed 0.95 from circumference radius that determines shape of external shell internal surface cross section shape in its minimum section.
EFFECT: stabilisation of turbine rotation speed by lowering of underpressure downstream turbine, when speed of air flow exceeds rated value.
5 cl, 4 dwg
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