基于DSP+CPLD移相控制逆变电源的研究

Research of Phase-shifting Control Inverter Power Supply based on DSP+CPLD

提出了一种基于数字信号处理技术(DSP)和可编程逻辑控制器件(CPLD)的移相控制逆变电源的方法。叙述了移相控制的基本原理,DSP用于功率控制,CPLD用于数字锁相。分别给出了DSP和CPLD的程序算法和设计流程,最后通过实验验证了该方法的正确性和可行性。实践证明,该技术具有广泛的推广应用前景。

A reserach of phase-shifting control inverter power based on DSP＋CPLD is presented.The basic principles of phase-shifting control, DSP for power control, CPLD for digital lock-in are described.And the DSP and CPLD algorithm and design process are given.Finally,experiments verify that the method is correct and feasibility,and has wide application prospets.