SiC-based High Efficiency Bidirectional Battery Converter for Smart PV Residential Systems

Cam Pham, Valeriu-Ciprian Biris, Remus Teodorescu, Tamas Kerekes, Laszlo Mathe

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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Abstract

Smart PV inverters are essential components of future grids. Beside conventional functionalities they can communicate with the grid, supports the grid with reactive power and with active power from internal battery storage. To maximize internal consumption, a high efficiency bidirectional DC-DC converter for the battery storage is necessary, as energy will be processed twice. Realisation of the battery converter with silicon carbide (SiC) semiconductors offers many advantages compared to Silicon (Si), included higher power density and higher efficiency. In this paper the design of a simple high efficiency 3kW hard switching bidirectional converter based on normally-on SiC JFET is presented, 98.5% maximum efficiency has been obtained with the prototype and a comparison with SiC MOSFet 1st generation is performed.
Original languageEnglish
Title of host publicationProceedings of PCIM Europe 2013
Number of pages8
PublisherVDE Verlag GMBH
Publication date2013
Pages129-136
ISBN (Print)978-3-8007-3505-1
Publication statusPublished - 2013
EventPCIM Europe 2013 - Nuremberg, Germany
Duration: 14 May 201316 May 2013

Conference

ConferencePCIM Europe 2013
Country/TerritoryGermany
CityNuremberg
Period14/05/201316/05/2013

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