摘要
风力发电机变桨距系统是一个大惯性系统,采用PI控制的滞后环节会使系统不稳定.对风力发电机变速变桨距控制原理进行分析,建立了气动部分、传动部分、变桨距执行部分及机组整体的数学模型,采用了PD调节器进行变桨距控制,所采用方法通过仿真进行验证,并取得了较好的控制效果.
The wind generator system is a large inertia system, so the use of the PI controller in pitch control will lead to the system instability. The theory of variable pitch wind turbines is analyzed in this paper. The mathematical model of the aerodynamic part, the drive part, the operative part and the whole unit are established. An algorithm is proposed to allow the generator to track the maximum power points of the wind turbine system by PD controller. The proposed algorithm is verified by simulation re- suit, and good control results are achieved.
出处
《纺织高校基础科学学报》
CAS
2013年第2期271-275,共5页
Basic Sciences Journal of Textile Universities
关键词
变桨变速距
最大功率追踪
PD控制器
variable speed pitch
maximum power point tracking
PD controller
