逆变器调制算法常采用
空间矢量脉宽调制(space vector pulsewidth modulation,SVPWM),通过空间矢量直接输出PWM波
载波宽调制(carrier-based pulse width modulation,CBPWM),与载波比较后,输出PWM波
前者采用空间电压矢量概念,计算每一个基本矢量的作用时间,再按照一定的顺序产生输出脉冲;后者则是采用载波与调制波进行比较来产生输出脉冲,
已有研究表明当向调制波中注入特定的零序分量时,CBPWM和SVPWM之间可以实现完全等效:相对而言,CBPWM 更易于实现。
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