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

1978-07-03

1980-10-14

Rubinson, Gene Z.

Prime-mover dynamo plants

Electric control

Fluid-current motors

290 55, F03D 900

Patent

active

042283620

ABSTRACT:
An improvement in a wind electric plant of the type disclosed in applicants' U.S. Pat. No. 4,059,771 and applicants' co-pending application Ser. No. 887,373, filed Mar. 16, 1978. The improvement comprises utilization of an exciter including an exciter armature and an associated permanent magnet exciter field to provide the excitation current for the field winding of a three-phase alternator. The use of permanent magnets in the exciter field, in lieu of conventional exciter field windings, eliminates the utilization of battery current as the source of excitation current for the field winding of a three-phase alternator. The improved wind electric power plant is utilized to supply A. C. power to hot water heater loads and/or auxiliary loads such as air conditioners, devices to manufacture hydrogen gas, and the like, which may be solar powered. The present invention also provides associated circuitry operable so that power can be supplied alternatively to either the hot water heater loads or to the auxiliary loads thereby maintaining a constant load on the wind electric power plant to ensure the quiet operation of that plant.

REFERENCES:
patent: 1331998 (1920-02-01), Neuland
patent: 2579311 (1951-12-01), Fairey
patent: 2832895 (1958-04-01), Hutter
patent: 3484617 (1969-12-01), Winsel
patent: 3769567 (1973-10-01), Cox
patent: 3863137 (1975-01-01), Mishima et al.

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