Wind power generating set high voltage ride-through control method
A technology for a wind turbine generator set and a control method, which is applied in the directions of wind energy generation, generator control, control system, etc., can solve problems such as harming the power grid, transient instability of the power system, and damage to converters and wind turbines.
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[0026] In order to explain in detail the technical content, structural features, achieved objectives and effects of the present invention, the following examples are given in conjunction with the drawings for detailed description.
[0027] See figure 1 , Figure 2A and Figure 2B , One of the present invention is a wind power generator high voltage ride through control method, including:
[0028] Step S1: The pitch controller judges whether the voltage signal of the main power supply on the input side is a high voltage ride through signal or a low voltage ride through signal. If it is a low voltage ride through signal, the pitch controller activates the low voltage ride through control mode and enters the low voltage ride through control mode;
[0029] Step S2: If it is a high voltage ride through signal, the pitch controller activates the high voltage ride through mode and enters the high voltage ride through control mode. The pitch controller further determines the duration of the ...
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