基于状态反馈的风电机组变桨距转矩联合控制技术研究  

The research of variable pitch joint torque control of wind turbine based on state feedback

作　　者：李瑜[1] 王晓东[2] 刘颖明[2] 朱江生 

机构地区：[1]包头职业技术学院电气工程系,内蒙古包头014030 [2]沈阳工业大学电气工程学院,辽宁沈阳110023

出　　处：《可再生能源》2016年第2期244-248,共5页Renewable Energy Resources

基　　金：国家自然科学基金资助项目(51207095);辽宁省自然科学基金资助项目(201202170);辽宁省高等学校优秀人才支持计划资助

摘　　要：利用现代控制理论,设计了基于扰动校正的线性二次型变桨距控制器,避免变桨距执行机构频繁动作,同时实现了传动链扭矩的最优控制;设计了基于极点配置的转矩控制器,提高传动系统阻尼,抑制转矩波动。进行变桨距和转矩的联合控制,共同减小传动系统的动态扭转载荷,通过FAST和MATLAB软件进行仿真验证,仿真结果表明,通过联合控制可以实现传动系统的动态扭转载荷控制,提高机组可靠性,延长关键部件使用寿命。Modern control theory has been used to design a variable pitch controller based on disturbance accommodating. The controller realizes the optimal control of drive-train torque while minimized the controller action. A torque controller based on pole assignment had been designed to enhance drive system damping and to suppress torque ripple. The federated control of variable pitch and torque is adopted to reduce drive system dynamic torsional load, and has been verified by software MATLAB and FAST. Simulation result illustrated that drive system dynamic torsional load can be controlled to improve reliability of wind turbine and extend life of critical components by active control method.

关 键 词：双馈风电机组 传动系统 动态扭转载荷 状态反馈控制 

分 类 号：TM614[电气工程—电力系统及自动化]