A wind farm/park having a plurality of spatially distributed wind turbines, including at least one upstream wind turbine and at least one downstream wind turbine. Each wind turbine includes a rotor with at least two blades. At least one downstream wind turbine is affected under certain wind conditions by a wake region generated by the upstream wind turbine and containing helical vortex structures formed at the tip of the blades of the upstream wind turbine. A geometry or configuration of one or more of the rotor blades of the upstream wind turbine is different from a geometry or configuration of the other blade(s) of the upstream wind turbine thereby creating a fixed asymmetry in the blade configuration so as to accelerate destruction of vortices in the wake of the rotor of the upstream wind turbine by exciting a natural instability of the blade tip vortices.

It is described a method for controlling at least one considered wind turbine (5) in a wind park (1), comprising: determining, based on a wind condition (7b), in particular wind direction (7b), whether another wind turbine (9a, . . . ,9e) is in a wake region caused by the considered wind turbine; if another wind turbine (9b) is the closest wind turbine in the wake region (11b) and if the other wind turbine (9b) is in an operable state, applying a first control setting (15) to the considered wind turbine (5); if the other wind turbine (0b) is in a non-operable state applying a second control setting (17) to the considered wind turbine (5), wherein the first control setting is based on wind park level optimisation and the second control setting is based on wind turbine level optimisation.

A method for optimizing wake management in a wind farm includes receiving, via one or more position localization sensors, position data from at least one nacelle of wind turbines in the wind farm. The method also includes determining angle of the nacelle(s) of the wind turbines with respect to true north based on the position data. Moreover, the method includes determining a wind direction at the nacelle(s) of the wind turbines. As such, the method includes generating a wake estimation model of the wind farm in real-time using the wind direction and the angle of the nacelle(s). In addition, the method includes running the wake estimation model to determine one or more optimal operating parameters for the wind turbines that maximize energy production of the wind turbine. Thus, the method includes operating the wind farm using the optimal operating parameter(s) so as to optimize wake management of the wind farm.

A method and system for operating a wind farm by reconciling performance and operational constraints is disclosed. A wind farm may be subject to wakes, thereby reducing performance In order to lessen the effects of wakes, wake steering of the wind turbines may be performed. Specifically, both an operationally-independent analysis (such as by using a computational fluid dynamic model) and an operationally-dependent analysis may be performed, and the outputs of each analysis may be reconciled in order to determine whether (and how much) to wake steer.

A method for operating a wind turbine for generating a settable turbine power, where the wind turbine includes a rotor having rotor blades adjustable in their blade angle, is operable at a settable rotor speed, and is installed at an installation site at a distance to an obstacle, comprises the obstacle causing a wind disturbance, which, in dependence on current wind direction and wind velocity, can reach the wind turbine as a wind wake, and the wind turbine reducing its turbine operation by throttling down for protection against loads due to the wind wake, wherein the throttling down is controlled in dependence on the current wind direction and the current wind velocity, wherein a weather prediction is used in order to take into consideration at least one further weather property in addition to the wind direction and wind velocity, and wherein the throttling down is additionally controlled in dependence on the weather prediction, in particular on the further weather property.

A method for operating a wind farm having a first wind power installation and a second wind power installation, to an associated wind power installation and to an associated wind farm. The second wind power installation is located in the wake of the first wind power installation in at least one wake wind direction. A tip-speed coefficient is determined from the ratio of a second tip-speed ratio of the second wind power installation and a first tip-speed ratio of the first wind power installation and a pitch-angle coefficient is determined from the ratio of a second pitch angle of the second wind power installation and a first pitch angle of the first wind power installation. The method comprises: determining a turbulence metric, in particular a turbulence intensity, at the second wind power installation; operating the first wind power installation and the second wind power installation in the wake wind direction in a part-load range, wherein the tip-speed coefficient and/or the pitch-angle coefficient are/is a function of the turbulence metric at the second wind power installation and are/is greater than one.

A method of controlling plural wind turbines is provided, wherein each wind turbine is operable in different operating modes, wherein operating parameters and/or operating features are set differently in the different operating modes. For at least a first of the plural wind turbines, at least some of the different operating modes have a different impact on a residual lifetime of at least a second of the plural wind turbines. In embodiments, the method includes providing at least one candidate operating scheme and estimating a residual lifetime and/or at least one optimization parameter. Estimating of the residual lifetime and/or the optimization parameter considers the impact of the operating mode of the first wind turbine specified in the candidate operating scheme on the residual lifetime of the second wind turbine. The plural wind turbines are then operated in accordance with an operating scheme selected from the candidate operating schemes.

A method for controlling a first wind turbine cluster to improve wake recovery of the wind that flows through that cluster, which may therefore improve the consistency of air flow for a downstream cluster of wind turbines. The method comprises quantifying a wake effect of the first wind turbine cluster on the operational performance of a second wind turbine cluster, identifying a triggering condition based on the quantified wake effect, and, in response, controlling one or more operational parameters of the wind turbines in the first wind turbine cluster to improve the wake recovery of the first wind turbine cluster.

The present disclosure relates to a wind farm layout and yaw control method, and an electronic device. The wind farm layout and yaw control method comprises the following steps: acquiring wind farm data, importing the wind farm data into a WFSim model for simulation, obtaining original power data of the wind farm, counting and recording modifiable wind farm layout and yaw parameters, adjusting variable parameters to be changed, using the WFSim model for simulation to obtain an optimal parameter range of different variables and combining the optimal parameters to obtain an optimal working condition, and using the WFSim model for simulation to obtain optimal power data. The wind farm layout and yaw control method according to the present disclosure is based on optimizing the power output of the wind farm, so that it is very convenient to acquired information. Meanwhile, a WFSim two-dimensional fidelity model is used to simulate and solve the wind farm, so that the simulation time can be reduced while ensuring data accuracy.

A method for commanding an upstream wind turbine in a wind farm has a plurality of spatially distributed wind turbines and a method for controlling the upstream wind turbine in the wind farm.