基于双闭环自适应整定PI变频逆变电源的研究

Research on PI Variable Frequency Inverter Power Supply Based on Double Closed-loop Adaptive Tuning

本文选用改进型的数字PI控制算法,对闭环调节器的控制算法进行了设计。对建立的数字控制系统在Matlab/Simulink中进行了仿真验证,对影响逆变电源性能的因素进行了仿真分析,仿真实验结果证明了变频逆变电源数字控制系统的可行性,同时表明所选用的控制策略在改善电机调速性能方面取得了良好的效果。

The improved digital PI control algorithm is used to design the control algorithm of the closed-loop regulator,and the full digital realization method of SPWM is described in detail.The digital control system was simulated and verified in Matlab/Simulink,and the factors affecting the performance of inverter power were simulated and analyzed.The simulation results proved the feasibility of the digital control system of inverter power,and showed that the selected control strategy has achieved good results in improving the performance of motor speed regulation.