Indonesian Journal of Electrical Engineering and Computer Science
Vol 14, No 3: June 2019

Improved reliable multilevel inverter for renewable energy systems

Sujatha M (Hindustan Institute of Technology and Science)
A.K. Parvathy (Hindustan Institute of Technology and Science)



Article Info

Publish Date
01 Jun 2019

Abstract

New improved multilevel inverter (MLI) topology for Renewable energy systems is proposed in this paper. Cascaded multilevel inverters (CMLI) produce an output voltage level depending on the number of individual sources connected. The main drawback of CMLI is, as the output voltage level increases in number, the switches used in the device also increases and hence the complexity of the circuit increases. As the number of switches increases, the reliability of the circuit decreases. In this paper a novel MLI topology, which employs lesser number of switches, is proposed. A simulation model of CMLI and the proposed MLI has been built in MATLAB/SIMULINK. The reliability of the CMLI and the new topology MLI is analyzed by using MIL-HDBK-217.  

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