Fixed pitch wind turbine system utilizing aerodynamic stall

Prime-mover dynamo plants – Electric control – Fluid-current motors

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290 55, F03D 702

Patent

active

044278977

ABSTRACT:
A fixed-pitch wind turbine system utilizing a permanent magnet alternator. Optimum output power is achieved by controlling the load on the stator output armature of the permanent magnet alternator. Energy is stored in the ac utility grid utilizing a synchronous inverter which couples energy from the alternator for storage in the ac utility grid in a controlled manner to regulate the rotational speed of the wind turbine and thereby extract a substantially optimum amount of output power from the wind turbine.

REFERENCES:
patent: 4146264 (1979-03-01), Korzeniewski
patent: 4171491 (1979-10-01), Theyse
patent: 4205235 (1980-05-01), Pal et al.
patent: 4213057 (1980-07-01), Are
patent: 4228362 (1980-10-01), Jacobs et al.
patent: 4274010 (1981-06-01), Lawson-Tancred
patent: 4366387 (1982-12-01), Carter, Jr. et al.

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