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Issue:
A New Active Disturbance Rejection Variable Pitch Control System of Wind Turbine
Author(s):
WANG Xiao-lei
,
WU Bing-xin
,
WU Bi-rui
Pages:
250
-
253
Year:
2009
Issue:
3
Journal:
Chinese Journal of Power Engineering
Keyword:
风力机
;
变桨距
;
自抗扰控制
;
数字信号处理器
;
Abstract:
采用高速浮点 TMS320F28335(DSP)芯片作为硬件核心控制器,运用自抗扰控制系统算法对风力机桨距角进行精确调整,实现了一种由新型软硬件相结合的风力机变桨距控制系统.结果表明:当风速高于额定风速或者瞬时输出功率大于额定功率时,通过对桨叶桨距角的精确调整,可使输出功率动态维持在额定功率附近.变桨距自抗扰控制系统算法实现简单,具有良好的动态响应特性,能有效保障风力机的安全运行.
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