Prime-mover dynamo plants – Electric control – Fluid-current motors
Patent
1979-07-12
1982-11-02
Dobeck, B.
Prime-mover dynamo plants
Electric control
Fluid-current motors
322 35, F03D 1100, H02H 706
Patent
active
043575420
ABSTRACT:
Wind turbine generator systems incorporating a multi-speed pole amplitude modulated type dynamo electric machine allowing efficient operation at consecutive speeds in a ratio preferably less than 2:1. A current limiting reactor, preferably including an inductance coil, and an over-running clutch, are utilized in conjunction with any multi-speed generation system to alleviate impact on a utility grid during switching among operational speeds.
REFERENCES:
patent: 1549872 (1925-08-01), Hebeler et al.
patent: 2360792 (1944-10-01), Putnam
patent: 3558983 (1971-01-01), Steen
patent: 4112311 (1978-09-01), Theyse
patent: 4138619 (1979-02-01), Broadway et al.
patent: 4139780 (1979-02-01), Hucker et al.
patent: 4242628 (1980-12-01), Mohan et al.
Franklin et al.; Additional Extraction of Wind Energy from 60 Meter Aerogenerator Using a Two-Speed Pole Charging Induction Generator; Mar. 1979, printed by Central Electricity Generating Board, London.
Rawcliffe, "3-Speed Single Winding Induction Motors", 2-28-64, Electrical Rev., pp. 330-332.
Jayadev, "Windmills Stage a Comeback", 11/76 IEEE Spectrum, pp. 45-49.
Dermer Z. L.
Dobeck B.
Wade Shelley
Westinghouse Electric Corp.
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