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All Journal Bulletin of Electrical Engineering and Informatics
Hemanth Kumar, Busireddy
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Electrical & Electronics Engineering

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A novel switched-capacitor multilevel inverter for efficient voltage level generation Ezhilvannan, Parimalasundar; Venkata Padmavathi, Annam; Hani, Ummi; Panchkumar Dhote, Vyanktesh; Hemanth Kumar, Busireddy; Ramnarayan Singh, Arvind
Bulletin of Electrical Engineering and Informatics Vol 14, No 3: June 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i3.9208

Abstract

This paper presents a novel single direct current (DC) source with switched-capacitor multilevel inverter (MLI) architecture capable of achieving seven output voltage levels using only eight switches, one diode, and two capacitors. The proposed topology (P) is compared with recent MLI configurations to assess its efficiency and performance. MATLAB/Simulink tools are utilized for simulation studies, and experimental validation is conducted to corroborate the theoretical findings. The investigation explores the impact of modulation index and switching frequency variations on the P output characteristics. Results indicate that the proposed MLI topology offers significant advantages in terms of component count reduction and simplicity while maintaining competitive performance compared to state-of-the-art alternatives. Additionally, the study provides insights into the influence of modulation index and switching frequency changes on the output voltage waveform, highlighting the adaptability and robustness of the P under varying operating conditions. This research contributes to the advancement of MLI designs by offering a streamlined and efficient solution suitable for various power electronic applications, including renewable energy systems and motor drives, where minimizing component count and complexity are crucial design considerations.
Co-Authors Ezhilvannan, Parimalasundar Hani, Ummi Panchkumar Dhote, Vyanktesh Ramnarayan Singh, Arvind Venkata Padmavathi, Annam