Invention Grant
- Patent Title: System and method for reducing loads during an idling or parked state of a wind turbine with a stuck rotor blade
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Application No.: US16037196Application Date: 2018-07-17
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Publication No.: US10823141B2Publication Date: 2020-11-03
- Inventor: Darren John Danielsen , Philip James Verzella , Jignesh Govindlal Gandhi , Ramy Michael Souri , James Paul Davidson , Christopher Lee Tschappatt
- 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 an angular pitch speed parameter of the rotor blade of the wind turbine. The method also includes determining an operational state of the wind turbine. Further, the method includes comparing the angular pitch speed parameter to a predetermined parameter threshold during turbine shutdown and/or a commanded pitch event. If the operational state corresponds to a predetermined operational state, the method includes yawing a nacelle of the wind turbine away from an incoming wind direction when the angular pitch speed parameter is below the predetermined parameter threshold during the turbine shutdown and/or the commanded pitch event.
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