A. R. Kumar, Partha Sarathi Subudhi, T. Deepa, S. Krithiga, Sanjeevikumar Padmanaban, D. Kothari
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Simulation Analysis of a Nearest Level Modulation Scheme for Cross-Connected Sources based MLI
This paper proposes a nearest level modulation (NLM) scheme for a Cross-Connected Sources (CCS) based MLI topology. The proposed modulation scheme is found to facilitate a reduction in the total harmonic distortion (THD) at the ac output of the inverter. The modulation scheme employs low switching frequency to operate the MLI. The paper presents an explanatory description of the NLM scheme in order to help the upcoming researchers for designing efficient MLI system. Simulation has been implemented using the MATLAB/Simulink 2015b software package. The simulation results indicate a significant reduction in the voltage THD and current THD. Improvement in the other output parameters of the inverter such as rms voltage, rms current and output power is also seen.
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