Modern-Day Multi-Phase Multi-Level DC-AC Inverter for Advanced Electric Drives

Electric drives are advanced by multi-phase, multi- level DC-AC inverters, which provide enhanced power quality, fault tolerance, and efficiency. By adding multi-level topologies and extending conventional three-phase systems to higher phases, these inverters improve voltage control, minimize total harmonic distortion (THD), and lessen torque ripple. They are extremely relevant because they are used in high-power systems like renewable energy grids, electric cars, and aircraft. The benefits of various inverter topologies in terms of harmonic reduction, fault resilience, and effective energy conversion are reviewed in this paper along with performance analyses using MATLAB/Simulink simulations and advanced control techniques.