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This paper compares and evaluates the performance oPulse Width Modulation (SPWM) and Spac e Vector Pulse Width Modulation (SVPWM) techniques for a three-level inv erter by cascading two two-level inverters. In this topology, four power semiconductor switches are used per phase and a tot al of twelve switches are required. The simulation study shows that SVPWM is superior to SPWM in the aspects of better DC-bus ut ilization and offering better spectral performance. Index Terms: space vector modulation, multi-level inverters, si ne-triangle modulation, and cascaded inverter

STUDY OF SINUSOIDAL AND SPACE VECTOR PULSE WIDTH MODULATION TECHNIQUES FOR A CASCADED THREE-LEVEL INVERTER