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A new configuration for multilevel converters with diode clamped topology

Nami, Ali Reza, Zare, Firuz, Ledwich, Gerard F., Ghosh, Arindam, & Blaabjerg, Frede (2007) A new configuration for multilevel converters with diode clamped topology. In 8th International Power Engineering Conference (IPEC 2007), 3-6 December 2007, Singapore.

Abstract

Due to the increased use of renewable energy and power electronic applications, more multilevel converters (MLC) are developed. A Neutral Point Clamped (NPC) inverter is one of the most used multilevel topologies for wind turbine (WT) and photovoltaic (PV) applications. One of the most crucial points in this type of converter is dc-voltage control. In this paper, a novel multi output dc-dc converter connected to a diode clamped topology is presented. This converter, for a given duty cycles, is able to regulate the capacitor voltage to provide an appropriate input voltage for NPC regardless of load changes which can avoid neutral point balancing problem in such converters. In addition, the presented topology is suitable for renewable energy systems to boost the low rectified output-voltage. In order to verify the proposed topology, steady state analysis, modelling and simulations are carried out.

Impact and interest:

8 citations in Scopus
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0 citations in Web of Science®

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ID Code: 14300
Item Type: Conference Paper
Additional URLs:
Keywords: Multilevel inverter, dc, dc converter, diode clamped inverter, multi, output converter, neutral point voltage
ISBN: 9789810594237
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2007 IEEE
Copyright Statement: Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Deposited On: 06 Aug 2008
Last Modified: 29 Feb 2012 23:37

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