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All Journal International Journal of Electrical and Computer Engineering
Durgesh Nandan
Symbiosis International (Deemed University)
Computer Science & IT Electrical & Electronics Engineering

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Analysis and simulation of even-level quasi-Z-source inverter Niltala Sai shanmukha Akshath; Avugaddi Naresh; Matcha Nikesh kumar; Mayur Barman; Durgesh Nandan; Tirupathi Abhilash
International Journal of Electrical and Computer Engineering (IJECE) Vol 12, No 4: August 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v12i4.pp3477-3484

Abstract

This research proposes a seven-level inverter with quasi-Z-source boost converters. The proposed topology employs a packed U-cell asymmetrical type multilevel inverter along with front-end quasi-Z-source networks. The quasi networks provide high gain compared to a conventional boost converter. This topology is the most suitable for photovoltaic multi-string applications. The proposed topology has the potential to supply both the alternating current (AC) and direct current (DC) type load. The inverter structure has a lower number of active switches which helps in the reduction of losses and improvement in efficiency. In this paper, the operation principle of a quasi-network and inverter circuit are explained in detail. In addition, the simulation results for various modulation indices are presented. In the MATLAB/Simulink environment, the architecture is proposed by using gated sinusoidal “Pulse width modulation”.
Co-Authors Avugaddi Naresh Matcha Nikesh kumar Mayur Barman Niltala Sai shanmukha Akshath Tirupathi Abhilash