METHOD OF AND WIND-DRIVEN ELECTRIC PLANT FOR CONVERSION OF ENERGY OF FREE AIR FLOW Russian patent published in 2004 - IPC

FIELD: wind power engineering. SUBSTANCE: invention provides conversion of energy of air flows into electric or other energy. According to proposed method energy of free air flow is converted owing increasing pressure before wind-driven electric plant with through channels and turbine and decreasing pressure after turbine. Pressure is increased owing to configuration of plant and step-by-step change of pressure in channels of plant before turbine owing to nozzle-like configuration of through channels before turbine with simultaneous sharp pressure drop after turbine creating artificial rarefaction using additional accelerated air flow. Wind-driven electric plant for implementing proposed method contains turbine connected with energy transformer, central capsule and central ring envelope with through channel input and output formed by inner surface of central ring envelope and outer surface of central capsule, additional envelope and outer ring envelope forming, together with central capsule, diffuser output of through channel. Surfaces of central and additional ring envelopes are furnished with micronozzles, and turbine is located in zone where pressure difference before and after turbine is maximum. Construction members are interconnected to form guide assemblies in through channels to swirl air flow. Energy transformer contains cooling system whose heat exchange elements are installed in empty spaces of one of envelopes. Additional air intake channels are made in construction envelopes. Plant is furnished with pneumatic starting system with pneumatic motor coupled with energy transformer system, and compressed air source. Energy transformer is furnished with flywheel. Surface of through channels is provided with irregularities creating micronozzle effect in boundary layer of air flow. Moisture trap is provided in plant. EFFECT: increased efficiency of conversion of energy of real air flow. 11 cl, 2 dwg