Proposed novel multiphase-multilevel inverter configuration for open-end winding loads

Padmanaban, Sanjeevikumar, Wheeler, Patrick, Blaabjerg, Frede, Ertas, Ahmet H., Ojo Olorunfemi, Joseph and Szcześniak, Pawel (2016) Proposed novel multiphase-multilevel inverter configuration for open-end winding loads. In: 18th European Conference on Power Electronics and Applications, 5-9 September 2016, Karlsruhe, Germany.

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This article address a new multiphase-multilevel inverter configuration for open-winding loads and suitable for medium power (low-voltage/high-current) applications such as ‘More Electric Aircraft’. Modular structure comprised of standard dual three-phase voltage source inverter (VSI) along with one additional bi-directional semi-conductor device (MOSFET/IGBT) per phase and two capacitors with neutral point. The additional switches and capacitors are introduced to generate the additional voltage levels in outputs of the VSI. An original modified single carrier five-level modulation (MSCFM) algorithm is developed in this work and overcomes the complexity of standard space vector modulations, easy for real implementation purposes in digital processors. Proposed six-phase multilevel inverter configuration generates multilevel outputs with benefit in comprises with standard multilevel inverter topologies. Further, the complete numerical model of the proposed AC converter along with pulse-width modulation (PWM) is developed with Matlab/PLECS simulation software’s. A set of observed results is presented in balanced working condition and always shown good agreement with the theoretical developments.

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, 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: 09 Jan 2017 11:38
Last Modified: 04 May 2020 18:13

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