Design and Switching of Single Phase Five Level Cascaded H-Bridge Multilevel Inverter Using SPWM Technique

Authors

  • Shubham Gajbhiye  Student BE 8th Sem Dr. Babasaheb Ambedkar College of Engineering and Research, Nagpur, Maharashtra, India
  • Esha Vyas  Student Dr. Babasaheb Ambedkar College of Engineering and Research, Nagpur, Maharashtra, India
  • Trupti Kapse  Student Dr. Babasaheb Ambedkar College of Engineering and Research, Nagpur, Maharashtra, India
  • Prof. Abhijit Dutta  Assistant Professor Dr. Babasaheb Ambedkar College of Engineering and Research, Nagpur, Maharashtra, India

Keywords:

Multilevel inverter (MLI), cascaded H-bridge (CHB), total harmonic distortion, sinusoidal pulse width modulation, Common mode voltage (CM)

Abstract

The utilization of multilevel inverter in medium and high power applications is increasing for improving the power quality. The multilevel inverter was introduced as a solution to increase the converter operating voltage above the voltage limits of classical semiconductors. The function of the multilevel inverter is to synthesize a desired high voltage from several levels of dc voltages. The multilevel inverters are becoming popular as they have low harmonic contents, better electromagnetic compatibility and lower switching losses. This paper deals with a single phase five level cascaded H-bridge multilevel inverter with R-load. Sinusoidal Pulse Width Modulation technique is used to develop the switching pattern for the five level H-bridge multilevel inverter to reduce the total harmonic distortion at the output. A Pi filter is used to further reduce the total harmonic distortion and improve the power quality. This paper also compares the percentage THD of multilevel inverter with and without filter. It has been shown that the total harmonic distortion in multilevel inverter with filter is less than that in multilevel inverter without filter.

References

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International Journal of Scientific Research in Science and Technology

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Published

2018-01-30

Issue

Volume 4, Issue 3, January-February-2018

Section

Research Articles

License

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

How to Cite

[1]
Shubham Gajbhiye, Esha Vyas, Trupti Kapse, Prof. Abhijit Dutta, " Design and Switching of Single Phase Five Level Cascaded H-Bridge Multilevel Inverter Using SPWM Technique, International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011, Volume 4, Issue 3, pp.155-160, January-February-2018.