Invention Grant
- Patent Title: System and method for reducing wind turbine loads by yawing the nacelle to a predetermined position based on rotor imbalance
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Application No.: US16037256Application Date: 2018-07-17
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Publication No.: US10954917B2Publication Date: 2021-03-23
- Inventor: Hubert Oing , Robert Peter Slack , Darren John Danielsen , Santiago Tomas
- Applicant: General Electric Company
- Applicant Address: US NY Schenectady
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Schenectady
- Agency: Dority & Manning, P.A.
- Main IPC: F03D7/02
- IPC: F03D7/02 ; F03D17/00 ; F03D7/04

Abstract:
A method for reducing loads of a wind turbine includes determining a wind speed at the wind turbine. Further, the method includes determining an operational state of the wind turbine. The method also includes determining whether a rotor of the wind turbine is imbalanced beyond a predetermined threshold when the operational state corresponds to a predetermined operational state as a rotor imbalance beyond the predetermined threshold is indicative of a pitch fault in one or more of the rotor blades. In addition, the method includes yawing a nacelle of the wind turbine to a predetermined angular position when the wind speed exceeds a predetermined speed threshold and the rotor is imbalanced beyond the predetermined threshold.
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