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基于空间直角坐标系的逆变器调制波研究

, PP. 187-195

Keywords: 三维空间,直角坐标系,调制波,矢量,过调制

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Abstract:

基于空间直角坐标系,对逆变器三相调制波进行研究,提出三维空间调制波矢量的概念并讨论其特点。利用调制波矢量得到了SPWM和SVPWM的解析表达式,使调制方法、控制策略、主电路成为一个整体,便于进行统一建模,具有几何含义清晰、理解直观、计算简单等优点。利用Matlab/Simulink进行仿真和逆变器平台进行实验,结果证明研究方法正确有效。

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