Multilevel Inverters : Comparison of Various Topologies and its Simulation

Authors

  • Mithilesh Shivankar  Department of Electrical, Dr. Babasaheb Ambedkar College of Engineering and Research, Nagpur, Maharashtra, India
  • Komal Deshmukh  Department of Electrical, Dr. Babasaheb Ambedkar College of Engineering and Research, Nagpur, Maharashtra, India
  • Akshay Sahu  Department of Electrical, Dr. Babasaheb Ambedkar College of Engineering and Research, Nagpur, Maharashtra, India
  • Abhijit Dutta   Department of Electrical, Dr. Babasaheb Ambedkar College of Engineering and Research, Nagpur, Maharashtra, India

Keywords:

Multilevel Inverters (MLI), Diode Clamped Inverter (DCMLI), Flying Capacitor Multilevel Inverter (FCMLI), Cascade H-Bridge Inverter, hybrid multilevel inverter, modified cascade h-bridge multilevel inverter, THD

Abstract

The multilevel inverters have drawn a tremendous interest in power industry now a day for high power and medium voltage energy control applications. Multilevel inverter is used to reduce the harmonic content in output waveform without decreasing the inverter power output. This paper presents the basic but important topologies diode-clamped inverter (N- point clamped), Capacitor clamped (flying capacitor) and Cascaded h-bridge with separated dc sources. This paper also includes advantages and disadvantages of multilevel inverters over conventional inverters along with its working principle and constructional features. The switching sequence of 3 level and 5 level for single leg of above mentioned topologies has been presented in this paper with their waveforms. The designs have been simulated in MATLAB/SIMULINK and the total harmonic distortion (THD) for voltage output has been carried out and comparison of DCMLI, FCMLI and CHB MLI is also done. Emerging topologies like asymmetric hybrid cells and modified cascade h-bridge multilevel inverters with reduced number of switches are also discussed.

References

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International Journal of Scientific Research in Science and Technology

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Published

2017-02-28

Issue

Volume 3, Issue 2, January-February-2017

Section

Research Articles

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Copyright (c) IJSRST

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This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

[1]
Mithilesh Shivankar, Komal Deshmukh, Akshay Sahu, Abhijit Dutta , " Multilevel Inverters : Comparison of Various Topologies and its Simulation, International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011, Volume 3, Issue 2, pp.85-89, January-February-2017.