FIELD: power industry.
SUBSTANCE: wind turbine is provided with nacelle in which d.c. generator is placed, and impeller connected to the end of d.c. generator. Nacelle is installed in a movable way on the mast. Nacelle has housing with curved slot passing in circumferential direction, which has front convergent part and rear divergent part. Impeller has the hub located in the centre and many blades located from it in radial direction. Each blade has the end forming the downward angularity of flow. Owing to curved shape of the nacelle body, the rising angle of air flow leaving the nacelle, and formation of tip vortex is suppressed owing to downward angularity of flow.
EFFECT: increasing use coefficient of wind power at generation of power by means of wind.
7 cl, 6 dwg
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Authors
Dates
2010-12-20—Published
2009-06-18—Filed