Three-Level Space Vector Pulse Width Modulation (SVPWM)

This article presents two simulation models for three-level Space Vector Pulse Width Modulation (SVPWM) systems. These models are designed to simulate and analyze the working principles and performance characteristics of three-level inverters in power electronic systems. We provide a comprehensive explanation of the model construction process, including the implementation of key algorithms such as sector identification, switching sequence generation, and duty cycle calculation. The models incorporate Clarke transformation for converting three-phase quantities to α-β coordinates and utilize the nearest three vector (NTV) approach for voltage synthesis. We analyze the system behavior under various operating conditions, demonstrating how the models handle different modulation indices and load scenarios. Through this expanded framework, we gain a thorough understanding of the applications and advantages of three-level SVPWM simulation models in power electronics design and optimization.