This paper describes the basic working principles and control methods of three-phase high- frequency boost & buck IGBT SPWM rectifiers.
文中介绍了IGBT升压与降压式三相高频SPWM整流器的基本工作原理和控制方法。
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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.