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Saved by uncleflo on April 5th, 2015.
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.
patent google database lookup reference patents wind turbine speed power controller inverter output induction generator rotor control appendix background description convert current voltage regulation orientation
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