<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This article proposes a novel three-phase inverter based on the concept of switched capacitors (SCs), which uses a single DC source. A three-phase, seven-level line-to-line output voltage waveform is synthesised by the proposed topology, which includes eight switches, two capacitors, and one diode per phase leg. The proposed topology offers advantages in terms of inherent voltage gain, lower voltage stresses on power switches, and a reduced number of switching components. Additionally, the switched capacitors are self-balanced, thereby eliminating the need for a separate balancing circuit. The proposed structure and its operating principle, the self-balancing mechanism of the capacitors, and the control strategy are all thoroughly explained in the article. The proposed topology has also been compared with some recent SC topologies. Lastly, the proposed topology has been shown to be feasible through simulation and experimentation.</p>
</abstract>

This article proposes a novel three-phase inverter based on the concept of switched capacitors (SCs), which uses a single DC source. A three-phase, seven-level line-to-line output voltage waveform is synthesised by the proposed topology, which includes eight switches, two capacitors, and one diode per phase leg. The proposed topology offers advantages in terms of inherent voltage gain, lower voltage stresses on power switches, and a reduced number of switching components. Additionally, the switched capacitors are self-balanced, thereby eliminating the need for a separate balancing circuit. The proposed structure and its operating principle, the self-balancing mechanism of the capacitors, and the control strategy are all thoroughly explained in the article. The proposed topology has also been compared with some recent SC topologies. Lastly, the proposed topology has been shown to be feasible through simulation and experimentation.

Single-source three-phase switched-capacitor-based MLI

Department of Power Electronics and Energy Control Systems, Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering

Power Electronics and Drives

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Single-source three-phase switched-capacitor-based MLI"}

This article proposes a novel three-phase inverter based on the concept of switched capacitors (SCs), which uses a single DC source. A three-phase, seven-level...

Single-source three-phase switched-capacitor-based MLI

Pubblicato online: 25 set 2022

Pagine: 197 - 209

Ricevuto: 26 feb 2021

Accettato: 07 giu 2021

DOI: https://doi.org/10.2478/pead-2022-0015

Parole chiave
multilevel inverter, switched capacitors, multicarrier pulse width modulation, cost function, ANPC inverter

© 2022 Kasinath Jena et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Single-source three-phase switched-capacitor-based MLI

Pubblicato online: 25 set 2022

Pagine: 197 - 209

Ricevuto: 26 feb 2021

Accettato: 07 giu 2021

DOI: https://doi.org/10.2478/pead-2022-0015

Parole chiavemultilevel inverter, switched capacitors, multicarrier pulse width modulation, cost function, ANPC inverter

© 2022 Kasinath Jena et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Parole chiave
multilevel inverter, switched capacitors, multicarrier pulse width modulation, cost function, ANPC inverter