Prime-mover dynamo plants – Electric control – Fluid-current motors
Patent
1985-02-08
1987-03-17
Shoop, Jr., William M.
Prime-mover dynamo plants
Electric control
Fluid-current motors
290 55, 33DIG21, F03D 702
Patent
active
046510176
ABSTRACT:
The wind energy conversion system includes a wind machine having a propeller connected to a generator of electric power, the propeller rotating the generator in response to force of an incident wind. The generator converts the power of the wind to electric power for use by an electric load. Circuitry for varying the duty factor of the generator output power is connected between the generator and the load to thereby alter a loading of the generator and the propeller by the electric load. Wind speed is sensed electro-optically to provide data of wind speed upwind of the propeller, to thereby permit tip speed ratio circuitry to operate the power control circuitry and thereby optimize the tip speed ratio by varying the loading of the propeller. Accordingly, the efficiency of the wind energy conversion system is maximized.
REFERENCES:
patent: 4228361 (1980-10-01), Jacobs et al.
patent: 4331881 (1982-05-01), Soderholm et al.
patent: 4464579 (1984-08-01), Schwarz
patent: 4525633 (1985-06-01), Wertheim et al.
Albrecht John M.
Duncanson Jr. W. E.
Hightower Judson R.
Richardson Kenneth L.
Shoop Jr. William M.
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