基于空间矢量的三相电压型PWM整流器的研究

Research on three-phase voltage-source PWM rectifier based on space vector

建立了三相电压型PWM整流器在三相静止坐标系和两相旋转坐标系下的数学模型,研究了其前馈解耦控制策略。在此基础上结合空间矢量调制(SVPWM)的算法,设计了三相电压型PWM整流器控制系统,并在Matlab的Simulink中进行了系统仿真。仿真结果表明,设计方法可行,仿真模型正确。

A mathematical model of the three-phase voltage-source PWM rectifier is established in three-phase stationar coordinate system and two-phase rotating coordinate system respectively. The feedforward decoupling control strategy is studied. The control system of the three-phase voltage-source PWM rectifier is designed on the basis of the feedforward decoupling control strategy and SVPWM method. The simulation of the three-phase volt agesource PWM rectifier model is carried out with the software Matlab/Simulink and the simulation results show the design method is feasible and the simulation model is correct.