A new single‐phase cascaded multilevel inverter topology with reduced number of switches and voltage stress

Siddique, Marif Daula and Mekhilef, Saad and Shah, Noraisyah Mohamed and Sarwar, Adil and Memon, Mudasir Ahmed (2020) A new single‐phase cascaded multilevel inverter topology with reduced number of switches and voltage stress. International Transactions on Electrical Energy Systems, 30 (2). e12191. ISSN 2050-7038, DOI https://doi.org/10.1002/2050-7038.12191.

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Official URL: https://doi.org/10.1002/2050-7038.12191


Multilevel inverters have been the vital component for the power electronic systems and have been researched extensively to further enhance their performances in terms of topology and their control. In this paper, a new bidirectional single-phase multilevel inverter module has been proposed with a reduced number of switches along with lower voltage stresses. The proposed module generates 17 levels at the output with 10 unidirectional switches along with four dc voltage sources with two varieties of dc voltage sources. Moreover, for a higher number of levels, the cascade connection of several modules has been discussed in this paper with three different methods for the selection of dc voltage sources. The proposed module has been compared with several similar topologies, which set the benchmark of the proposed one. The operation and performance of the proposed module have been validated through several simulation and experimental results with different types of load considering a change of modulation index. © 2019 John Wiley & Sons, Ltd.

Item Type: Article
Funders: University of Malaya, Malaysia, through the University of Malaya Research Grant Programme (UMRG), Grant No. RP043B‐17AET, Interdisciplinary Research Programme Grant (IIRG), Grant No. IIRG011A‐2019, Engineering Faculty Grant Program GPF083A‐2018
Uncontrolled Keywords: cascaded inverter; fundamental switching frequency; multilevel inverter; power electronics; pulse width modulation; reduce switch count
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 23 Jun 2020 05:06
Last Modified: 23 Jun 2020 05:06
URI: http://eprints.um.edu.my/id/eprint/24942

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