General Electric Company

Bastian Sundermann

Hubert Oing

Christian Siuts

Henk-Jan Kooijman

Margret Kalter

Margaret Kalter

A method for operating a wind turbine is described. The wind turbine includes a tower having a tower axis, and a nacelle being rotatable about the tower axis. The method includes providing a data set of one or more operational parameters of the wind turbine. The one or more operational parameters depend on the angular position of the nacelle with respect to the tower axis. The method further includes determining an angular position of the nacelle with respect to the tower axis; selecting one or more operational parameters from the data set of one or more operational parameters of the wind turbine depending on the determined angular position of the nacelle; and applying the one or more selected operational parameters to the wind turbine. Further, another method of operating a wind turbine and a wind turbine are described.

Method and apparatus for controlling an operational parameter of a wind turbine

A method and system for detecting asymmetric utilizing longitudinal tower acceleration data may include: providing a rotorspeed acceleration monitoring system; determining from the rotorspeed acceleration monitoring system whether a rotorspeed acceleration is above a rotorspeed acceleration limit; determining whether a rotor-mass imbalance condition exists; and determining whether a longitudinal tower acceleration coincides with icing on a rotor.

Method and system for utilizing rotorspeed acceleration to detect asymmetric icing

A method and system for detecting asymmetric utilizing lateral tower acceleration data may include: providing a lateral tower acceleration monitoring system; determining from the lateral tower acceleration monitoring system whether a lateral tower acceleration is above an acceleration limit; determining whether a rotor-mass imbalance condition exists; and determining whether the lateral tower acceleration coincides with icing on a rotor.

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Berlin, Germany

Bastian Sundermann