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 describe the technical content, structural features, goals and effects of the present invention in detail, the following examples are given and described in detail with accompanying drawings.
[0027] see figure 1 , Figure 2A and Figure 2B , a high-voltage ride-through control method for a wind power generating set according to one of the present inventions, comprising:
[0028] Step S1: The pitch controller judges whether the voltage signal of the main power supply at 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 model;
[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, and the pitch controller further determines th...
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