An Innovative Dual-Boost Nine-Level Inverter with Low-Voltage Rating Switches

Saeedian, Meysam, Pouresmaeil, Edris, Samadaei, Emad, Godinho Rodrigues, Eduardo Manuel, Godina, Radu and Marzband, Mousa (2019) An Innovative Dual-Boost Nine-Level Inverter with Low-Voltage Rating Switches. Energies, 12 (2). ISSN 1996-1073

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Abstract

This article presents an innovative switched-capacitor based nine-level inverter employing single DC input for renewable and sustainable energy applications. The proposed configuration generates a step-up bipolar output voltage without end-side H-bridge, and the employed capacitors are charged in a self-balancing form. Applying low-voltage rated switches is another merit of the proposed inverter, which leads to extensive reduction in total standing voltage. Thereby, switching losses as well as inverter cost are reduced proportionally. Furthermore, the comparative analysis against other state-of-the-art inverters depicts that the number of required power electronic devices and implementation cost is reduced in the proposed structure. The working principle of the proposed circuit along with its efficiency calculations and thermal modeling are elaborated in detail. In the end, simulations and experimental tests are conducted to validate the flawless performance of the proposed nine-level topology in power systems.

Item Type: Article
Uncontrolled Keywords: power conversion; multilevel inverter; improved switched-capacitor module; multi carrier based modulation
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Paul Burns
Date Deposited: 10 Jan 2019 13:46
Last Modified: 12 Oct 2019 11:17
URI: http://nrl.northumbria.ac.uk/id/eprint/37533

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