在电网电压波动下矩阵整流器应用研究

Application Research on Matrix Rectifier Under the Voltage Fluctuation of Power Grid

矩阵整流器是有着众多优点、很有发展前景的电力电子设备,电流空间矢量调制算法是其目前主要研究控制算法之一,通过空间矢量合成目标矢量。在电网电压波动的情况下,研究基本PID闭环控制器和基于干扰观测器的PID闭环控制器,仿真结果证明矩阵整流器通过基于干扰观测器的PID闭环控制器,输出电压稳定,鲁棒性强,输入电流质量改善,稳定电网侧电能指标。

Matrix rectifier has many advantages and is very promising power electronic equipment. Current space vector modulation algorithm is one of the main research control algorithms and mainly through the space vector synthesis target vector. In the case of the voltage fluctuation of power grid, basic PID closed loop controller and research and PID closed loop controller based on disturbance observer are researched. The simulation results show that output voltage is stable, robustness is very strong, quality of input current waveform is improving and power grid indicators are stable through PID closed loop controller based on disturbance observer.