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

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Padmanaban, Sanjeevikumar, Blaabjerg, Frede, Wheeler, Patrick William, Siano, Pierluigi, 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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Official URL: http://ieeexplore.ieee.org/document/7544208/

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)

RIS ID:

https://nottingham-repository.worktribe.com/output/793487

Additional Information:

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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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