介绍了SPWM逆变电源输出电压波形重复控制的工作原理及重复控制器的设计方法。
The operation principle of repetitive control of output voltage of SPWM inverter and design method of repetitive controller are introduced.
以逆变器输出的电压和220v的差值作为控制信号。设计控制器根据控制信号改变直流变换器和三相可控整流的PWM控制信号。
The difference of output voltage of inverter and 220v is set as control signal, controller change the PWM signal to regulate buck-boost converter and three-phase rectifier.
通过导频控制器的输出电压控制热敏电阻，从而改变调节网络的增益，达到稳定传输电平的目的。
The output voltage of controller exerts an influence on thermal resistor so as to change gain characteristic in regulation circuit, thus the transmission levels being stabilized.
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