System and method for loads reduction in a horizontal-axis...

Details System and method for loads reduction in a horizontal-axis... System and method for loads reduction in a horizontal-axis...

2011-05-31

2011-05-31

Kershteyn, Igor (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Method of operation

C416S041000, C416S061000, C416S117000, C415S001000, C415S004300, C415S048000, C415S147000, C415S905000, C415S908000

Reexamination Certificate

active

07950901

ABSTRACT:
A system and method provide a proactive mechanism to control pitching of the blades of a wind turbine to compensate for rotor imbalance during normal operation by pitching the blades individually or asymmetrically, based on turbulent wind gust measurements in front of the rotor, determined before it reaches the rotor blades.

REFERENCES:
patent: 4339666 (1982-07-01), Patrick et al.
patent: 4651017 (1987-03-01), Longrigg
patent: 6320272 (2001-11-01), Lading et al.
patent: 2006/0140764 (2006-06-01), Smith et al.
patent: 2006/0145483 (2006-07-01), Larsen et al.

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