Variable speed wind turbine

Details Variable speed wind turbine Variable speed wind turbine

1991-02-01

1992-01-21

Pellinen, A. D.

Prime-mover dynamo plants

Electric control

Fluid-current motors

290 55, H02P 900, F03D 700

Patent

active

050830392

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.

REFERENCES:
patent: 4426192 (1984-01-01), Chertok et al.
patent: 4490093 (1984-12-01), Chertok et al.
patent: 4525633 (1985-06-01), Wertheim et al.
patent: 4695736 (1987-09-01), Doman et al.
patent: 4700081 (1987-10-01), Kos et al.
patent: 4703189 (1987-10-01), DiValentin et al.
patent: 4816696 (1989-03-01), Sakayori et al.
patent: 4891744 (1990-01-01), Yamamoto et al.
patent: 4994684 (1991-02-01), Lauw et al.

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