变速恒频风力发电机最大功率跟踪控制策略的研究

Research on control strategy of maximum power point tracking of VSCF wind generation

分析了风能的特性,对双馈电机数学模型进行了分析与研究,在试验的基础上,基于最佳叶尖速比控制(即风能最大利用率)和机械功率最大转化效率控制,提出了兆瓦级变速恒频双馈风力发电机组双闭环的一种控制策略方案,并用M A T LA B软件进行系统仿真,证明该方案是可行的。

Through the characteristic analysis of wind energy carried outthe research and analusison math's model of the DFM by experimentsadvanced a control strategy with double closed loop used in MW variable speed constant frequency doubl-fed wind generators in order to meet optimal tip-speed ratio and the maximum efficiency of mechanicol power. At last the system was be simulated by MATLAB and its feasibility was testified.