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中文摘要：
最大功率点跟踪（maximum power point tracking,MPPT）已用于实际变速恒频风电系统中,为更好开展此项技术的研究,对当前的最大功率点跟踪技术进行了总结,并分为以下3类：1）已知给定法;2）黑箱法;3）混合控制法。以带齿轮箱35 kW背靠背变换器的鼠笼异步式风力发电并网系统为基础,在Matlab/Simulink仿真环境中,针对已知给定法、黑箱法、混合控制法,各选取了每一类方法的典型代表进行了仿真验证。仿真结果表明,针对这3类方法所适用的功率场合不同,在跟踪最大功率的快速性上存在着差异,需要根据风机特性及从实际运用角度出发来选取不同的方法。
英文摘要：
Maximum power point tracking（MPPT） has been used in the actual variable speed constant frequency wind power system.To further investigate this technology,the current maximum power point tracking technology was summarized and the control methods could be divided into three categories： 1） the known method;2） the method of black-box;3） the method of mixed control.Baesd on the 35 kW squirrel cage induction wind power generation system which includes back-to-back converter with a gear box,in Matlab/Simulink simulation environment,according to the known method,the method of black-box,the method of mixed control,each typical representative type of method was selected to simulate and validate.The simulation results show that,according to the different application of the power situlation,the rapidity of tracking maximum power is different,and various types of methods should be selected from the practical point of view and the characteristic of the wind turbine.
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