A novel multilevel quad-inverter configuration for quasi six-phase open-winding converter

Padmanaban, Sanjeevikumar and Blaabjerg, Frede and Wheeler, Patrick William and Siano, Pierluigi and Martirano, Luigi and Szcześniak, Pawel (2016) A novel multilevel quad-inverter configuration for quasi six-phase open-winding converter. In: 2016 10th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG), 29 June-1 July 2016, Bydgoszcz, Poland.

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Abstract

This paper developed a novel quad-inverter configuration for multilevel six-phase asymmetrical open-winding AC converter. Proposal found to be suited for (low-voltage/high-current) applications such as AC tractions and ‘More-Electric Aircraft’ propulsion systems. Modular power circuit comprises of standard four three-phase voltage source inverter (VSI) and each connected to the open-end windings. Each VSIs are incorporated with one bi-directional switching device (MOSFET/IGBT) per phase and two capacitors with neutral point connected. Further, an original modified single carrier five-level modulation (MSCFM) algorithm is developed in this work and easy for implementing in real digital processors. The proposed modulation algorithm is capable of generating, 5-level voltages at each output of four VSI as one equivalent to multilevel inverter. The total power is among the four DC sources and quadruples the capabilities of VSIs. A set of observed results is presented with numerical software analysis (Matlab/PLECS) in balanced working conditions. Always the results shown good agreement in the developed theoretical background.

Item Type: Conference or Workshop Item (Paper)
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 three-phase inverter, quad-inverter, six-phase inverter, multilevel inverters, multiphase drives, asymmetrical inverters, multiple space vectors, pulse-width modulation
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
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Depositing User: Burns, Rebecca
Date Deposited: 23 Aug 2017 13:19
Last Modified: 24 Aug 2017 07:30
URI: http://eprints.nottingham.ac.uk/id/eprint/42240

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