A New Modular Multilevel Converter with Integrated Energy Storage

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78 Citations (Scopus)

Abstract

This paper introduces a new modular converter with integrated energy storage based on the cascaded half-bridge modular multilevel converter with common DC bus. It represents a complete modular solution with power electronics and energy storage building blocks, for medium and high voltage applications. Furthermore, this solution can interconnect a DC and AC grid with bidirectional power flow, where both of them can receive or generate excess power to the third source integrated in each converter sub-module. This particularity enables the converter usage as a high voltage UPS system in the future HVDC meshed grids. Its functionality and flexibility makes the converter independent on the energy storage unit characteristic. The converter concept with its basic functions and control schemes are described and evaluated in this paper.
Original languageEnglish
Title of host publicationProceedings of the 37th Annual IEEE Conference of the Industrial Electronics Society, IECON 2011
Number of pages6
Place of PublicationMelbourne, Australia
PublisherIEEE Press
Publication date2011
Pages1075-1080
ISBN (Print)978-1-61284-969-0
DOIs
Publication statusPublished - 2011
Event37th Annual IEEE Conference of Industrial Electronics, IECON 2011 - Melbourne, Australia
Duration: 7 Nov 201110 Nov 2011

Conference

Conference37th Annual IEEE Conference of Industrial Electronics, IECON 2011
CountryAustralia
CityMelbourne
Period07/11/201110/11/2011

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