为了验证所提出的控制自由度组合的思想和新型的PWM控制方法，对二极管箝位型三电平逆变器和五电平逆变器进行了仿真和实验研究。
The idea of control degrees of freedom combination and the validity of the novel PWM strategies are demonstrated by simulation and experimentation of three-level inverter and five-level inverter.
介绍了一种新型混合不对称九电平逆变器，它由一不对称五电平逆变器和一全桥逆变器级联而得，级联逆变器的直流母线电压相等。
It is proposed a novel hybrid asymmetric 9-level inverter in which an asymmetric 5-level inverter and an H-bridge inverter with equal dc bus voltage are series connected.
应用推荐