一种基于空间矢量的串联多电平SPWM算法

A Novel Voltage Modulation Technique of Multilevel H-bridge Inverter Based on Space Vector Theory

文章基于载波调制原理和空间矢量理论 ,提出了一种确定串联多电平V/f控制参考波的方法 ,根据空间矢量与相变量瞬时值间的对应关系 ,求得子级PWM波 ,通过级联定时实现串联多电平的SPWM算法 ,采用MATLAB仿真了该算法 ,给出了一相各子级和合成的PWM波形。

In this paper, a new PWM technique for the cascade H-bridge inverter, based on space vector theory and carried-wave PWM method,is proposed. The algorithm is described in detail and its effectiveness is verified by simulation.