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Volume 9
Issue 11
10.3390/pr9111948
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Article

Design and Validation of a Reduced Switching Components Step-Up Multilevel Inverter (RSCS-MLI)

by
Mohammad Wasiq
1,
Adil Sarwar
2,*,
Zeeshan Sarwer
2,
Mohd Tariq
2,*,
Shafiq Ahmad
3,
Adel M. Al-Shayea
3 and
Jahangir Hossain
4,*
1
Department of Electric Power Engineering, Budapest University of Technology and Economics, 1111 Budapest, Hungary
2
Department of Electrical Engineering, ZHCET, Aligarh Muslim University, Aligarh 202002, India
3
Industrial Engineering Department, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
4
School of Electrical and Data Engineering, University of Technology Sydney, Sydney 2000, Australia
*
Authors to whom correspondence should be addressed.
Processes 2021, 9(11), 1948; https://doi.org/10.3390/pr9111948
Submission received: 21 July 2021 / Revised: 18 October 2021 / Accepted: 25 October 2021 / Published: 29 October 2021
(This article belongs to the Section Energy Systems)
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Abstract

A reduced switching components step-up multilevel inverter (RSCS-MLI) is presented in the paper. The basic circuit of the proposed MLI can produce 11 levels in the output voltage with a reduced number of switching components. The other features of the proposed circuit include a low value of voltage stresses and the inherent generation of the voltage levels pertaining to the negative half without the requirement of an H-bridge. Fundamental frequency switching technique, also known as Nearest Level Control (NLC) technique, is implemented in the proposed topology for generating the switching signals. The experimental total harmonic distortion (THD) in the output voltage comes out to be 9.4% for modulation index equal to 1. Based on different parameters, a comparative study has been shown in the paper, which makes the claim of the proposed MLI stronger. An experimental setup is prepared to carry out the hardware implementation of the proposed structure and monitor its performance under dynamic load conditions, which is also used to verify the simulation results. Power loss analysis, carried out by using PLECS software, helps us to gain insight into different losses occurring while operating the inverter. The different results are explained and analyzed in the paper.
Keywords: RSCS-MLI; multilevel inverter; NLC; total harmonic distortion RSCS-MLI; multilevel inverter; NLC; total harmonic distortion

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MDPI and ACS Style

Wasiq, M.; Sarwar, A.; Sarwer, Z.; Tariq, M.; Ahmad, S.; Al-Shayea, A.M.; Hossain, J. Design and Validation of a Reduced Switching Components Step-Up Multilevel Inverter (RSCS-MLI). Processes 2021, 9, 1948. https://doi.org/10.3390/pr9111948

AMA Style

Wasiq M, Sarwar A, Sarwer Z, Tariq M, Ahmad S, Al-Shayea AM, Hossain J. Design and Validation of a Reduced Switching Components Step-Up Multilevel Inverter (RSCS-MLI). Processes. 2021; 9(11):1948. https://doi.org/10.3390/pr9111948

Chicago/Turabian Style

Wasiq, Mohammad, Adil Sarwar, Zeeshan Sarwer, Mohd Tariq, Shafiq Ahmad, Adel M. Al-Shayea, and Jahangir Hossain. 2021. "Design and Validation of a Reduced Switching Components Step-Up Multilevel Inverter (RSCS-MLI)" Processes 9, no. 11: 1948. https://doi.org/10.3390/pr9111948

APA Style

Wasiq, M., Sarwar, A., Sarwer, Z., Tariq, M., Ahmad, S., Al-Shayea, A. M., & Hossain, J. (2021). Design and Validation of a Reduced Switching Components Step-Up Multilevel Inverter (RSCS-MLI). Processes, 9(11), 1948. https://doi.org/10.3390/pr9111948

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