The invention provides a dynamic
yaw error compensation method and
system based on a cabin type
wind lidar. The method comprises the following steps: firstly, acquiring three-dimensional
wind field data at a preset distance in front of a wind
turbine, simultaneously acquiring operation state parameters of the wind
turbine, then extracting unstable transverse component and longitudinal velocity gradient distribution in an incoming
wind flow direction, and then calculating a real-time
yaw error amount caused by dynamic change of a
wind field; and converting the real-time
yaw error amount into a feed-forward compensation
control signal by combining the dynamic response characteristic of the
yaw system of the wind
turbine, finally inputting the feed-forward compensation
control signal into a main controller of the wind turbine, and adjusting an angle set value of the
yaw system so as to complete yaw error compensation of the
laser radar. According to the technical scheme, the alignment precision, the wind energy capturing efficiency and the operation stability of the wind generating set under the complex changing wind condition are improved, and high-precision and high-reliability compensation of the dynamic yaw error is achieved.