Variable speed wind turbine
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United States of America Patent
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Jan 21, 1992
Issued Date -
N/A
app pub date -
Feb 1, 1991
filing date -
Feb 1, 1991
priority date (Note) -
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Abstract
A variable speed wind turbine is disclosed comprising a turbine rotor that drives an AC induction generator, a power converter that converts the generator output to fixed-frequency AC power, a generator controller, and an inverter controller. The generator controller uses field orientation to regulate either stator currents or voltages to control the torque reacted by the generator. The inverter controller regulates the output currents to supply multi-phase AC power having leading or lagging currents at an angle specified by a power factor control signal.
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