Abstract

This paper presents implementation of a carrier-based three-dimensional space vector PWM technique for three-phase four-leg voltage source converter with microcontroller. The implementation of the 3-D SVPWM needs quite a bit of digital logic and computational power, and it might be a software and hardware burden even for recent digital signal processor (DSP) systems. Therefore, this paper presents a simple three-phase four-leg with carrier-based three-dimensional space vector PWM technique. The proposed technique can be implemented with microcontroller. The performance of proposed PWM strategy has been investigated and verified through simulations and experimental results for three-phase four-leg voltage source converter. This proposed method also can be applied to system that needs the synchronization between source voltage and load voltage.

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