Yaw control method and yaw control device for wind turbine generator system
A technology of wind turbine and yaw control, which is applied in the control of wind turbines, wind turbines, wind power generation, etc. It can solve problems such as wind direction prediction of wind turbines, and achieve the effect of improving the efficiency of wind energy utilization
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Embodiment 1
[0030] figure 2 It is a schematic flowchart of a yaw control method for a wind power generating set in Embodiment 1 of the present invention.
[0031] see figure 2 , a yaw control method for a wind power generating set, the control method includes S210, S220, S230 and S240.
[0032] At S210, wind condition data measured by edge reference wind turbines of the wind farm and wind condition data measured by internal wind power generators in the wind farm are acquired.
[0033] Wherein, the wind condition data measured by the edge reference fan includes the wind direction and wind speed measured by the wind vane on the edge reference fan nacelle, where the wind direction is the absolute wind direction, for example: 1 degree east by north or 10 degrees west by north and so on. The wind condition data measured by the internal wind turbines in the wind farm is the change of the wind direction data measured by the wind vane on the cabin of the internal wind turbines in the wind far...
Embodiment 2
[0044] The yaw control method of the wind power generation set provided in this embodiment is based on the technical solution of the yaw control method of the wind power generation set in Embodiment 1, wherein, in S230, according to the wind condition data of the edge reference wind turbine and the Generating the yaw control data of the internal wind generating set from the wind condition data of the internal wind generating set may be implemented in the following manner.
[0045] A first predicted wind direction of the internal wind turbine is determined based on wind condition data of the edge reference wind turbine and wind condition data of the internal wind turbine.
[0046] Wherein, the first predicted wind direction is a wind direction with a higher possibility at the next moment when the wind direction of the internal wind power generating set changes according to big data statistics.
[0047] In this embodiment, the big data statistical method referred to above is as ...
Embodiment 3
[0057] The yaw control method of the wind power generating set provided in this embodiment, this embodiment provides the technical solution of the yaw control method of the wind generating set in the first embodiment, in S230, wind power generation is generated according to the wind direction data and wind condition data of the edge reference wind turbine The way to realize the yaw control data of the crew. The difference from the second embodiment in which the yaw control data of the wind power generation unit is generated according to the wind direction data and wind condition data of the edge reference wind turbine is that in this embodiment, the first predicted wind direction in the second embodiment is passed through the second The predicted wind direction is verified, and the first predicted wind direction after verification is more accurate.
[0058] Specifically, on the basis of Embodiment 2, in the technical solution of this embodiment, the reference wind turbine on t...
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