提出了基于DSP的三相直流侧APF数字控制解决方案。针对最大功率为5kW的三相整流桥装置,采用直流侧APF作为谐波补偿方案,给出了详细的主电路关键参数设计方法,设计了电路硬件系统。基于MC56F8323芯片,完成软件架构及程序设计,包括数字PI算法及程序流程。最后通过实验证明了设计方案的正确性。
A digital control solution for three-phase DC link APF based on DSP was proposed.The compensation object was a 5kw three-phase diode rectifier.Design method of key device parameters was proposed and hardware component was designed.Software structure and program were completed based on DSP processor MC56F8323,including PI algorithm and flow diagram.Experimental results show that the design method is correct.