Methods and apparatus for maximizing and stabilizing electric power derived from wind driven source
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United States of America Patent
Stats
-
Aug 23, 1983
Grant Date -
N/A
app pub date -
May 30, 1980
filing date -
May 30, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The shaft of a wind turbine is connected to the rotor of a three-phase AC generator. The rotor windings, in turn, are connected to the rotor windings of a DC-energized, AC exciter via a differential frequency-converter. A frequency-detector, which monitors the output of the AC generator, is connected to the input of the frequency-converter to maintain the output of the generator at 60 Hz. A 'real' power sensing circuit, connected to the output of the generator, develops a control signal which, when subtracted from a second control signal generated by a power management control circuit, maintains the power output of the generator at the maximum possible level for each particular power output from the wind turbine which drives the generator.
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