Isolated/non-isolated quad-inverter configuration for multilevel symmetrical/asymmetrical dual six-phase star-winding converter

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Padmanaban, Sanjeevikumar, Hontz, Michael R., Khanna, Raghav, Wheeler, Patrick William, Blaabjerg, Frede and Ojo Olorunfemi, Joseph (2016) Isolated/non-isolated quad-inverter configuration for multilevel symmetrical/asymmetrical dual six-phase star-winding converter. In: 2016 IEEE 25th International Symposium on Industrial Electronics (ISIE), 8-10 June 2016, St Clara, California, USA.

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Abstract

This article presents the developments of a novel isolated/non-isolated quad inverter configuration for multilevel dual six-phase (twelve-phase) star-winding converter. The modular circuit consists of four standard voltage source inverters (VSIs). Each VSI is incorporated with one bi-directional switch (MOSFET/IGBT) per phase and links with the neutral line through two capacitors which allows symmetrical and asymmetrical operations. A modified single carrier five-level modulation (MSCFM) algorithm is developed and modulates each 2-level VSI as a 5-level output multilevel inverter. The entire AC converter is numerically modeled using Matlab/PLECS simulation software and the predicted behavior of the system is analyzed and presented. Good agreement is obtained between these results and the theoretical analysis. Suitable applications for the converter include (low-voltage/high-current) medium power systems, electrical vehicles, AC tractions, and ‘More-Electric Aircraft’ propulsion systems.

Item Type: Conference or Workshop Item (Paper)
RIS ID: https://nottingham-repository.worktribe.com/output/796101
Additional Information: © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: Dual six-phase inverter, twelve-phase inverter, multilevel inverters, motor drives, multiple space vectors, split-phase space vector transformation, pulse-width modulation
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Depositing User: Burns, Rebecca
Date Deposited: 23 Aug 2017 13:13
Last Modified: 04 May 2020 17:57
URI: https://eprints.nottingham.ac.uk/id/eprint/42242

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