Wind turbine load control method

Details Wind turbine load control method Wind turbine load control method

2008-04-01

2008-04-01

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Method of operation

C416S035000, C416S040000, C416S043000, C416S044000, C416S061000, C416S155000

Reexamination Certificate

active

07351033

ABSTRACT:
A method for limiting loads in a wind turbine by using measured loads or wind speed to increase the minimum pitch angle for extended periods. The minimum pitch angle will be allowed to relax down to the default when load excursions diminish. The method will allow turbines to capture more energy by operating in higher wind speeds and/or utilizing larger rotors without additional loss of fatigue life.

REFERENCES:
patent: 4426192 (1984-01-01), Chertok et al.
patent: 6619918 (2003-09-01), Rebsdorf

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