摘要
为了提高风力发电机的电能质量,减小风力发电机在发电过程中的桨叶载荷,提高变桨距执行机构的性能,采用小波分析对风力发电机进行了分析、阈值化与重构,同时对桨叶根部载荷和统一变桨控制器执行机构性能进行分析与评估。以FAST模型为基础在标准风速下对统一变桨风力发电机进行的仿真分析结果表明:小波分析方法能够减少风力发电机发出功率的谐波含量,能够对桨叶载荷进行提前预估,且独立变桨控制器的跟踪效果较好。
In order to improve power quality of wind turbines and to reduce their blade load as well as improve the performance of their variable-pitch actuators,the wavelet analysis method was adopted to analyze the wind turbines,thresholding and reconstruction,including the blade root's load and the performance of variablepitch control actuator. Having FAST model based to simulate the wind turbine which boasting of collective pitch control at the standard wind speed shows that the wavelet analysis method can reduce harmonic content of wind turbine's power produced and can estimate the blade load in advance along with an excellent tracking effect of the independent blade.
出处
《化工自动化及仪表》
CAS
2016年第2期167-172,共6页
Control and Instruments in Chemical Industry
