Research Article Open Access

A NOVEL SEVEN LEVEL MULTILEVEL INVERTER WITH PHOTOVOLTAIC CELL

Abstract

Multilevel inverters are used extensively now-a- days due to their increased power rating, improving harmonic performance and reduced electromagnetic interference. In this paper, an H-bridge inverter topology with reduced number of switches is proposed which produces same number of levels as that of a conventional cascaded multilevel inverter. The proposed system consists of three sources connected in cascade with one source is PV cell and the other two are DC sources. Sinusoidal pulse width modulation technique is used to control the switches of inverter. This technique reduces the complexity of the control circuit, cost and leads to less total harmonic distortion (THD). Proposed novel seven level multilevel inverter with photovoltaic cell topology is validated through simulation using MATLAB/SIMULINK and the results are presented.

A. Reddiprasanna, P. Chandrasekhar, G. Jayakrishna

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