Method for operating a wind turbine
A technology of wind energy device and control device, which is applied in the direction of wind power generation, circuit device, wind engine control, etc. It can solve the problems of not being able to ensure sufficient protection of the wind energy device, and the protection of the wind energy device, so as to avoid unstable operation conditions, Reduce computing costs and avoid speed-up effects
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[0021] figure 1 Firstly, a schematic view of an exemplary embodiment of a wind energy installation according to the invention is shown. The illustrated stator 1 is provided for driving a generator arrangement 2 . A doubly-fed asynchronous machine can preferably be used as generator arrangement 2 . The generator arrangement 2 is able to output real power to a grid 8 with a grid impedance 7 . The grid current output to the grid 8 can be measured by the second measuring device 4 . Furthermore, the stator voltage of the generator arrangement 2 can be detected by means of the first measuring device 3 . The acquired values of the stator voltage and the grid current output to the grid 8 can be transmitted to the control device 5 in a suitable format, for example as analog data or digital data. The control device 5 can have suitable devices for processing the acquired data according to the method according to the invention, which can in particular be a digital processing device....
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