Abstract
Compared with the commonly used sine-wave pulse width modulation (SPWM) method, the space vector pulse width modulation (SVPWM) method has higher utilization rate of DC voltage and smaller output waveform distortion. This paper describes the basic principle and control algorithm of three-level SVPWM. The topology of the system is a diode-clamped parallel (NPC) inverter, which is built on the PSCAD software platform. The simulation waveforms are obtained through the self-built model, which verifies the correctness of the system and provides reference for the further research.
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