基于专家PID控制三相交流斩波调压系统

Three-phase AC Chopping Voltage Regulating System Based on Expert PID Control

介绍了专家PID控制的三相交流斩波调压系统,给出了一种以IGBT作为开关器件的Buck型三相交流斩波调压电路的拓扑结构。利用专家PID控制方案,保证系统的快速性和准确性;以TMS320LF2812型DSP芯片作为该控制系统的核心,满足该系统对实时性和稳定性要求。最后通过实验验证了该调压系统的可行性。

Three-phase AC chopping voltage regulating system based on expert PID is introduced,a Buck type three-phase AC chopping voltage regulating circuit topology is given,which uses IGBT as the switching device.In order to ensure the system’s real-time performance and stability,using TMS320LF2812 DSP chip and expert PID as the core of the control system.The experimental results demonstrate that the applied system is reasonable.