The present invention relates to a method for operating a wind turbine with an electrical generator, drivable by a rotor, for supplying electrical power to an electric grid, in particular to the loads connected thereto. The object of the present invention is to define a method for operating a wind t
The present invention relates to a method for operating a wind turbine with an electrical generator, drivable by a rotor, for supplying electrical power to an electric grid, in particular to the loads connected thereto. The object of the present invention is to define a method for operating a wind turbine and to provide a wind turbine and/or a wind farm that is capable, even when the output of non-reactive power fluctuates, of reducing or at least of insignificantly increasing the unwanted fluctuation in voltage at a predefined point in the grid compared to the situation with no wind turbine(s). Method for operating a wind turbine with an electrical generator, drivable by a rotor, for supplying electrical power to an electric grid, in particular to the loads connected thereto, characterized in that the phase angle φ is changed in response to at least one voltage measured in the grid.A method for operating a wind turbine and to provide a wind turbine and/or a wind farm that is capable, even when the output of non-reactive power fluctuates, of reducing or at least of insignificantly increasing the unwanted fluctuation in voltage at a predefined point in the grid compared to the situation with no wind turbines. Method for operating a wind turbine with an electrical generator, drivable by a rotor, for supplying electrical power to an electric grid, in particular to the loads connected thereto, characterized in that the phase angle φ is changed in response to at least one voltage measured in the grid.
대표청구항▼
1. Method for operating a wind turbine with an electrical generator, drivable by a rotor, for supplying electrical power to an electric grid, in particular to the loads connected thereto,characterized in that the phase angle φ is changed in response to at least one voltage measured in the grid. 2. M
1. Method for operating a wind turbine with an electrical generator, drivable by a rotor, for supplying electrical power to an electric grid, in particular to the loads connected thereto,characterized in that the phase angle φ is changed in response to at least one voltage measured in the grid. 2. Method according to claim 1,characterized in that the phase angle φ is changed in such a way that the voltage remains substantially unchanged at at least one predefined point in the grid. 3. Method according to one of the preceding claims,characterized in that the voltage is measured at at least one predefined point (22, 27) in the grid. 4. Method according to one of the preceding claims,characterized in that the voltage is measured at a point (22, 27) different from the infeed point. 5. Method according to one of the preceding claims,characterized in that the value to be set for the phase angle φ is derived from predefined parameter values. 6. Method according to one of the preceding claims,characterized in that the regulation system can directly or indirectly actuate a switching device in the grid. 7. Method according to one of the preceding claims,characterized in that corresponding voltage measurement and regulation can be separately performed for portions of the power grid on the basis of the phase angle φ. 8. Wind farm with at least two wind turbines,characterized by a device (10) for performing the method according to one of the preceding claims and a dedicated voltage sensing device (22, 27) for each separately controllable section of the wind farm. 9. System according to one of the preceding claims,characterized in that the phase angle is capacitively or inductively changed in response to at least one voltage measured in the grid until the voltage acquires a predefined reference value. 10. Wind turbine,characterized by a device (10) for performing the method according to one of the preceding claims.
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