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提出了一种新颖的ＳＰＷＭ技术，它具有与ＶＳＶＰＷＭ同样高的直流电压利用率，又消除了传统谐波注入法的缺陷，且开关次数最少，是一种简而优的ＳＰＷＭ方法。
A novel SPWM technique is proposed, which has the same high DC voltage utilization as VSVPWM and eliminates the defects of traditional harmonic injection method with the least switching times.