Abstract
This paper presents a PV based high level hybrid multilevel inverter. SEPIC converter is the technologically advanced converter derived from the buck-boost converter. The proposed scheme is used in the SEPIC-converter to eradicate the output ripples and well enhance the output voltage level. Cascaded H Bridge and Neutral point clamped (NPC) inverter topologies are combined to obtain 127 level of output voltage using reduced number of switches and DC sources. To increasing the voltage level, Total Harmonic Distortion (THD) can be reduced and hence reduction in size of the filter. Simulation work is done using MATLAB and then to verify the performance of suggested scheme.
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