【摘要】 以变流器中的PWM为研究对象,通过风力发电机机侧电压型PWM整流器的拓扑结构,分析了三相电压型整流器(三相VSR)的工作原理,建立三相电压型整流器数学模型.运用双闭环控制策略对三相电压型整流器机侧的电流内环和电压外环进行了分析与建模.最后运用Matlab/Simulink仿真软件建立了基于双PWM变流器机侧系统仿真,对所提出的三相电压型整流器数学模型进行验证,验证双闭环控制机理的可行性和实用性.更多还原

【Abstract】 This paper takes PWM rectifier converter as the research subject.Through the topology of the vdtage souxce PWM rectifier on the side of the wind generator,the working principle of the three-phase voltage type rectifier is analyzed and the mathematical model of three-phase voleage source PWM rectifier is established.The current inner ring and the voltage outer ring on the side of the three-phase voltage rectifier are analyzed and modeled by using double closed-loop control strategy.By using the software of Matlab/Simulink simulation based on dual PWM converter machine side,this type of three-phase voltage rectifier mathematical model verification,validation correctness and practicabiltty of the double closed-loop control mechanism are proved.更多还原