Wind turbine generator having integrator tracking
A power generating system is described which includes a wind turbine driven generator. The wind turbine has a wind driven rotor with a plurality of variable pitch angle blades. The blade angle is scheduled during acceleration and deceleration of the wind turbine by open loop controls to minimize stresses, and is scheduled during powered operation by closed loop controls to maintain desired torque or speed. The closed loop controls contain an integrator which produces an integral blade angle control signal. The scheduled blade angle is fed back to the integrators through an integrator tracking network to maintain the integral blade angle control signal at all times within a preselected range relative to the scheduled blade angle.
- Assignee:
- United Technologies Corp.
- Patent Number(s):
- US 4161658
- OSTI ID:
- 6269754
- Country of Publication:
- United States
- Language:
- English
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