Comparison of Level Shifting Modulation Techniques using Designed Seven Level Multilevel Inverter

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IJERTV10IS030236
Comparison of Level Shifting Modulation Techniques using Designed Seven Level Multilevel Inverter

M. Vanisri , K. Sindhu Priya , G. Chandra Shekar

With rapid development of high voltage and high power applications, multilevel inverter plays a critical role. With conventional power inverter, one may have high switching losses and more THD. In order to reduce switching losses and THD, a new inverter topology with seven level output voltage is proposed with less number of switches. In this paper, various level shifting modulation techniques such as Phase Disposition (PD), Phase Opposition Disposition (POD), Alternate Phase Opposition Disposition (APOD) are compared along with individual THD analysis and the same were used for the generation of required pulses with the help of MATALB/SIMULINK.