基于DSP的三相PWM整流器电压空间矢量控制的研究

Research on Three-Phase PWM Rectifier controlled by Space Voltage Vector

本文提出了一种简单的电压空间矢量算法,该算法根据参考电压矢量直接计算电压空间矢量的位置和作用时间,简化了运算过程。利用数字处理器(DSP)实现了整流器的空间矢量的全数字控制,并用Matlab对系统进行了仿真,仿真结果验证了本文所提出的电压空间矢量算法的有效性。

A simplified algorithm is proposed in this paper for space voltage vector, this algorithm directly calculates the duty cycles of space voltage vector tracking the reference voltage vector in each sector in the space vector plane in the conventional methods. The rectifier with DSP based full digital control on the presented algorithm is developed. The result by Matlab simulating proves the reality of algorithm of space voltage vector in this paper.