MATLAB Implementation of Three-Level Modulation

Resource Overview

Simulation Model of Three-Level SVPWM Inverter with Code Implementation Details

Detailed Documentation

Three-level modulation is a widely used inverter modulation technique that controls output waveforms by managing three distinct voltage levels. The three-level Space Vector Pulse Width Modulation (SVPWM) inverter simulation model serves as a practical tool for studying and analyzing this modulation technique. Through this model, implemented in MATLAB/Simulink, developers can examine sector identification algorithms, voltage vector calculations, and switching sequence generation to optimize inverter performance. Key implementation aspects include Clarke transformations for converting three-phase voltages to α-β coordinates, nearest three-vector selection logic, and dwell time calculations using space vector geometry. This simulation enables comprehensive analysis of harmonic distortion, switching losses, and DC-link voltage utilization, facilitating improved inverter design and operational efficiency.