Patent ID: 11920568
Assignee: SIEMENS GAMESA RENEWABLE ENERGY SERVICE GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  H  Y | IPC F  H

Claim 3:
4. A method for controlling a wind turbine comprising a converter which is connected to a generator and injects at least some of the energy generated by the electric generator into an electrical grid, sensors for detecting interference on the electrical grid, and a controller for controlling the converter, wherein the controller has a plurality of grid stabilizing functions, the method comprising:
identifying electrical interference on a grid,
classifying the interference,
deactivating a portion of the grid stabilizing functions, and
counteracting the interference on the grid using a remaining portion of the grid stabilizing functions,
wherein the classifying is performed using time history of voltage and frequency of the voltage.