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Article

A Multilevel Inverter Topology Using Diode Half-Bridge Circuit with Reduced Power Component

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Renewable Energy Laboratory, Prince Sultan University, Riyadh 11586, Saudi Arabia
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Department of Electrical and Electronics Engineering, SRM Institute of Science and Technology, Kattankulathur Campus, Kattankulathur 603203, India
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Department of Electrical Engineering, Valley Higher Institute of Engineering and Technology, Science Valley Academy, Qalyubia 44971, Egypt
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Department of Electronics, Mid-Sweden University, Holmgatan 10, 851 70 Sundsvall, Sweden
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Author to whom correspondence should be addressed.
Academic Editor: Gabriele Grandi
Energies 2021, 14(21), 7249; https://doi.org/10.3390/en14217249
Received: 13 June 2021 / Revised: 9 October 2021 / Accepted: 14 October 2021 / Published: 3 November 2021
(This article belongs to the Special Issue Power Electronics for the Grid Integration of Photovoltaic Systems)
This paper presents a new multilevel converter with a reduced number of power components for medium voltage applications. Both symmetric and asymmetric structures of the presented multilevel converter are proposed. The symmetric topology requires equal dc source values, whereas the asymmetric topology uses minimum switch count. However, both structures suffer from high blocking voltage across the switches. To reduce the blocking voltage on switches, an optimal topology is presented and analyzed for the selection of the minimum number of switches and dc sources, while maintaining a low blocking voltage across the switches. A comparative analysis with recently published topologies was performed. The simulation results, as well as the comparative analysis, validated the robustness and effectiveness of the proposed topology in terms of the reduced power loss, lowered number of components, and cost. Furthermore, in addition to the simulation results, the performance of the proposed topology was verified using experimental results of 9, 17, and 25 levels. View Full-Text
Keywords: multilevel inverter; diode half-bridge circuit; power devices; asymmetric inverter; symmetric inverter multilevel inverter; diode half-bridge circuit; power devices; asymmetric inverter; symmetric inverter
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MDPI and ACS Style

Sathik, J.; Aleem, S.H.E.A.; Shalchi Alishah, R.; Almakhles, D.; Bertilsson, K.; Bhaskar, M.S.; Fernandez Savier, G.; Dhandapani, K. A Multilevel Inverter Topology Using Diode Half-Bridge Circuit with Reduced Power Component. Energies 2021, 14, 7249. https://doi.org/10.3390/en14217249

AMA Style

Sathik J, Aleem SHEA, Shalchi Alishah R, Almakhles D, Bertilsson K, Bhaskar MS, Fernandez Savier G, Dhandapani K. A Multilevel Inverter Topology Using Diode Half-Bridge Circuit with Reduced Power Component. Energies. 2021; 14(21):7249. https://doi.org/10.3390/en14217249

Chicago/Turabian Style

Sathik, Jagabar, Shady H.E.A. Aleem, Rasoul Shalchi Alishah, Dhafer Almakhles, Kent Bertilsson, Mahajan S. Bhaskar, George Fernandez Savier, and Karthikeyan Dhandapani. 2021. "A Multilevel Inverter Topology Using Diode Half-Bridge Circuit with Reduced Power Component" Energies 14, no. 21: 7249. https://doi.org/10.3390/en14217249

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