基于Matlab的三相APFC建模与仿真

Modeling and Simulation of Three-phase APFC Based on Matlab

介绍了三相六开关升压型PFC的基本原理,采用坐标变换方法,建立了三相PFC在两相dq同步旋转坐标系下的数学模型,实现了有功和无功的解耦。采用前馈解耦方式设计了控制器,构建了双闭环调节系统,利用MATLAB建立了系统模型,仿真结果验证了系统设计的正确性。

The theory of three-phase six-switch boost-PFC is introduced. The active and reactive parameters are decoupied by establishing the mathematic model of the three-phase PFC in two-phase synchronization coordinates（ dq coordinates） based on coordinates conversion. The double-loop control system is established by adopted feedforward and decoupling control method. The model of the system is built by using MATLAB. The simulation result validates that the design is correct.