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Medium Voltage Power Electronic Building Block for Quasi-two-level Operation of a Flying Capacitor Converter

Mersche, Stefan ORCID iD icon; Schreier, Robert; Himmelmann, Patrick; Hiller, Marc

Abstract (englisch):

Today’s standard medium voltage converters are operated at low switching frequencies and contain bulky
line filters. One concept to change this is the Quasi-Two-Level operation of multilevel converters with
fast switching semiconductors to minimize passive components. This paper presents the hardware of a
full-scale medium voltage SiC-based flying capacitor converter for quasi-two-level operation with up to
10kV DC voltage and 150A line current. This hardware enables studies on the influence of components,
modulation principles and control algorithms on the needed filters and the operation of the converter.

Postprint §
DOI: 10.5445/IR/1000139632
Veröffentlicht am 07.09.2022
Cover der Publikation
Zugehörige Institution(en) am KIT Elektrotechnisches Institut (ETI)
Publikationstyp Proceedingsbeitrag
Publikationsdatum 06.09.2021
Sprache Englisch
Identifikator ISBN: 978-9-0758-1537-5
KITopen-ID: 1000139632
HGF-Programm 37.12.02 (POF IV, LK 01) Design,Operation & Digitalization of the Future Energy Grids
Erschienen in EPE'21 ECCE Europe - Assigned jointly to the European Power Electronics and Drives Association & the Institute of Electrical and Electronics Engineers (IEEE)
Veranstaltung 23rd European Conference on Power Electronics and Applications (EPE ECCE Europe 2021), Online, 06.09.2021 – 10.09.2021
Verlag IEEEXplore
Schlagwörter Multi-level converters, Flying Capacitor Converter,Medium voltage converter, Silicon, Carbide (SiC), Grid-connected converter
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