Patent ID: 11879437
Assignee: WOBBEN PROPERTIES GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 8:
9. The method according to claim 1, wherein:
the icing criteria, the icing area, or icing border is further determined based on data collected by an icing detection method detecting icing events during operation of the wind turbine or a similar wind turbine,
the icing detection method determines, depending on a weather situation, deviations of:
an actual operating point of the wind turbine resulting for the weather situation, and
a reference operating point of the wind turbine predetermined for a same weather situation,

wherein icing is detected if the determined deviation exceeds a predefined minimum deviation, and
if icing is detected, the method further comprising:
recording the weather parameters of the same weather situation as weather parameters of icing, and
recording supplemental information of the same weather situation as associated supplemental information,

wherein a deviation of the actual operating point and the reference operating point comprises:
a deviation of actual produced power or actual generator torque and a predefined reference power or reference generator torque, respectively, if the wind turbine is operating in a partial load operating mode, or
a deviation of an actual blade angle and a reference blade angle if the wind turbine is operated in a rated operating mode.