A new space-vector-modulation algorithm for a three-level four-leg NPC inverter

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Rojas, Felix, Kennel, Ralph, Cardenas, Roberto, Clare, Jon C. and Diaz, Matias (2016) A new space-vector-modulation algorithm for a three-level four-leg NPC inverter. IEEE Transactions on Energy Conversion, PP (99). pp. 1-13. ISSN 0885-8969

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Abstract

For power conversion systems interfaced to 4-wire supplies, four-leg converters have become a standard solution. A four-leg converter allows good compensation of zero-sequence harmonics and full utilization of the dc-link voltage. These are very important features when unbalanced and/or non-linear loads are connected to the system. This paper proposes a 3D-SVM algorithm and provides a comprehensive analysis of the algorithm implemented on a three-level, four-leg NPC converter. The algorithm allows a simple definition of the different switching patterns and enables balancing of the dc-link capacitor voltages using the redundancies of the converter states. A resonant controller is selected as the control strategy to validate the proposed SVM algorithm in a 6kW experimental rig.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/803259
Additional Information: c2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components of this work in other works.
Keywords: Four-Leg Converters, Three level Neutral Point Clamped (NPC) inverter, Three Dimensional Space Vector Modulation (3D-SVM)
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Identification Number: 10.1109/TEC.2016.2605076
Depositing User: Burns, Rebecca
Date Deposited: 19 Oct 2016 08:12
Last Modified: 04 May 2020 18:04
URI: https://eprints.nottingham.ac.uk/id/eprint/37541

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