Quasi-two-level method as an universal approach for voltage balancing of series-connected SiC MOSFETs

• Autorzy: Kopacz Rafał

Identyfikatory

DOI

10.15199/48.2024.03.03

Warianty tytułu

PL

Metoda quasi dwupoziomowa jako uniwersalne podejście do balansowania napięcia szeregowo połączonych tranzystorów SiC MOSFET

• Języki publikacji: EN

Abstrakty

EN

This study showcases the quasi-two-level (Q2L) control method for voltage balancing of series-connected SiC MOSFETs. Medium and high voltage applications require stacking of power semiconductor devices in cells or series-connection in order to reach appropriate blocking capabilities. The simplified quasi-two-level method, only to ensure balancing among the series-connected transistors can be deemed as a universal method for voltage balancing of stacked power devices or cells. A generalized control strategy and a more specific application for a medium voltage dc-dc converter are presented, with both validated using experimental models at up to 1.5 kV dc voltage.

PL

Niniejsze studium przedstawia metodę sterowania quasi-dwupoziomowego (Q2L) w celu balansowania napięcia na szeregowo połączonych tranzystorach SiC MOSFET. Zastosowania średniego i wysokiego napięcia wymagają łączenia szeregowego półprzewodnikowych przyrządów mocy w celach, bądź bezpośrednio. Metoda quasi-dwupoziomowa, uproszczona tylko w celu zapewnienia zrównoważenia napięcia, może stanowić uniwersalną metodę balansowania napięć między szeregowo połączonymi tranzystorami. Na bazie eksperymentów, przedstawiona została uniwersalna metoda sterowania, a także konkretne zastosowanie w przekształtniku dc-dc średniego napięcia.

Słowa kluczowe

EN

multilevel converter; power electronic; series connection; SiC MOSFET

PL

energoelektronika; przekształtnik wielopoziomowy; szeregowe łączenie; SiC MOSFET

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2024
• Tom: R. 100, nr 3
• Strony: 14--18
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Kopacz Rafał

• Warsaw University of Technology, Institute of Control and Industrial Electronics, Koszykowa 75, 00 662 Warsaw

• https://orcid.org/0000-0002-2054-9821

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki i promocja sportu (2025).