| 摘要 |
The invention describes a method of determining a degree of yaw error of a wind turbine (1), which method comprises obtaining wind pressure measurement values (300, S) from in front of the rotor plane, which wind pressure measurement values (300, S) exhibit a periodic nature related to a rotation of a spinner (10) of the wind turbine (1); performing a signal processing step to process the wind pressure measurement values (300, S) to determine a phase offset (50_4, 40_offset, 41_offset) of the wind pressure measurement values (300, S) relative to an angular reference (330); deriving a yaw error angle (332, 332', ±) from the phase offset (50_4, 40_offset, 41_offset). The invention further describes a method of establishing a relationship between a phase offset (50_4, 40_offset, 41_offset) of wind pressure measurement values (300, S) and a degree of yaw error of a wind turbine (1); a yaw error determination unit (3); and a wind turbine (1). |
