Aerodynamic model of wind turbine considering yaw error

Xianzhen Liu, Jinyuan Li, J. Wen, Jun Zhang, Jiang Cheng
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Abstract

In order to evaluate the influence of the yaw error on wind farm active output, blade element theory is used on aerodynamic characteristics modeling of horizontal axis wind turbine. This paper is based on the analysis of blade element force. Considering the effects of wind direction error, eddy current and gas compressibility, the model is realized in MATLAB/Simulink. The system model of wind turbine is built up by joint other subsystems, using 1.5MW DFIG as an example, the simulation is taken in with or without yaw error and under or above the rated operating condition, the simulation result verified the correctness of model. The study also has reference value on the wind farm simulation and controller design.
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考虑偏航误差的风力机气动模型
为了评估横摆误差对风电场主动输出的影响,将叶片单元理论应用于水平轴风力机的气动特性建模。本文是在叶片单元力分析的基础上进行的。考虑风向误差、涡流和气体可压缩性的影响,在MATLAB/Simulink中实现了该模型。结合其他子系统建立了风力发电机组的系统模型,并以1.5MW DFIG为例,在有偏航误差和不存在偏航误差的情况下,在额定运行工况和高于额定运行工况下进行了仿真,仿真结果验证了模型的正确性。该研究对风电场仿真和控制器设计也具有参考价值。
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