Wind electric plant with improved alternator field excitation

Details Wind electric plant with improved alternator field excitation Wind electric plant with improved alternator field excitation

1975-11-05

1977-11-22

Schaefer, Robert K.

Prime-mover dynamo plants

Electric control

Fluid-current motors

320 64, 322 35, H02P 904

Patent

active

040597717

ABSTRACT:
In a wind electric plant of the type including a wind-driven propeller or the like and an alternating current alternator connected to be driven thereby to generate electrical energy for charging storage batteries or other desired use, electrical circuitry connected with the alternator and a storage battery and including controls responsive to alternator speed and battery voltage to provide a relatively constant excitation current for the field winding of the alternator from a storage battery, whereby the alternator field is fully excited at substantially all speeds of operation thereof and the need for a conventional alternator exciter is eliminated.

REFERENCES:
patent: 3718849 (1973-02-01), Nolan et al.
patent: 3740565 (1973-06-01), Wesley
patent: 3764888 (1973-10-01), Anderson
patent: 3866106 (1975-02-01), Taguchi et al.
patent: 3868563 (1975-02-01), Hirata
patent: 3904948 (1975-09-01), Earle
patent: 3921052 (1975-11-01), Milano
patent: 3932879 (1976-01-01), Pace
patent: 3967186 (1976-06-01), Adams
patent: 3974395 (1976-08-01), Bright
patent: 3983471 (1976-09-01), Itoh et al.

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