基于相位补偿技术SVPWM调制波构造及嵌入式实现

Construction and Embedded Implementation of SVPWM Modulation Wave Based on Phase Compensation Technology

针对传统的空间矢量脉宽调制技术(SVPWM)的调制波为分段函数,难以直接实现,而采用最大最小平均法得到的SVPWM调制波与标准的SVPWM调制波存在一个相位差,本文提出一种相位补偿的最大最小平均法来构造SVPWM的调制波,建立仿真模型并利用GD32F303单片机进行嵌入式实现,结果表明利用自动补偿相位差技术的最大最小平均法所构造SVPWM的调制波,实现简单,无需判断参考电压位置,输出波形与传统一致。

The modulation wave of traditional space vector pulse width modulation(SVPWM)is a piecewise function,which is difficult to realize directly.However,there is a phase difference between the SVPWM modulation wave obtained by the maximum and minimum average method and the standard SVPWM modulation wave.This paper proposes a phase compensation maximum minimum average method to construct the SVPWM modulation wave,establishes the simulation model and embeds it with gd32f303 single chip microcomputer.This results show that the modulation wave of SVPWM constructed by the maximum and minimum average method of automatic phase differe nee compensati on tech no logy is easy to realize,and the output waveform is consistent with the traditional method without judging the reference voltage position.