Digital Signal Processing

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A Generalised Cascaded Multilevel Inverter Using Series Connection of Submultilevel Inverter


Affiliations
1 Department of Electrical and Electronics Engineering, Dr. M.G.R. Educational and Research Institute, Chennai-600095, India
2 Department of Electrical and Electronics Engineering, Dr. M.G.R. Educational and Research Institute, Chennai-600095, India
     

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Application of multilevel inverters for higher power purposes in industries has become more popular. This is partly because of high-quality output waveform of multilevel inverters in comparison with two level inverter. In this paper, initially a new topology for sub multilevel inverter is proposed and then series connection of the sub multilevel inverters is proposed as a generalized multilevel inverter. The proposed multilevel inverter uses reduced number of switching devices. The validity of the proposed multilevel inverter is verified with computer simulations using matlab, simulink.

Keywords

Multilevel, Inverter, Submultilevel, Inverter, THD, Staircase Waveform.
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  • A Generalised Cascaded Multilevel Inverter Using Series Connection of Submultilevel Inverter

Abstract Views: 367  |  PDF Views: 2

Authors

Abhay Kumar
Department of Electrical and Electronics Engineering, Dr. M.G.R. Educational and Research Institute, Chennai-600095, India
Anurag
Department of Electrical and Electronics Engineering, Dr. M.G.R. Educational and Research Institute, Chennai-600095, India
Ashok Kumar Mahto
Department of Electrical and Electronics Engineering, Dr. M.G.R. Educational and Research Institute, Chennai-600095, India
Ashok Kumar
Department of Electrical and Electronics Engineering, Dr. M.G.R. Educational and Research Institute, Chennai-600095, India

Abstract


Application of multilevel inverters for higher power purposes in industries has become more popular. This is partly because of high-quality output waveform of multilevel inverters in comparison with two level inverter. In this paper, initially a new topology for sub multilevel inverter is proposed and then series connection of the sub multilevel inverters is proposed as a generalized multilevel inverter. The proposed multilevel inverter uses reduced number of switching devices. The validity of the proposed multilevel inverter is verified with computer simulations using matlab, simulink.

Keywords


Multilevel, Inverter, Submultilevel, Inverter, THD, Staircase Waveform.