Title :
SiC MOSFET Dual Active Bridge converter for harsh environment applications in a more-electric-aircraft
Author :
Mastromauro, Rosa A. ; Poliseno, Maria C. ; Pugliese, Sante ; Cupertino, Francesco ; Stasi, Silvio
Author_Institution :
Dept. of Electr. & Inf. Eng., Politec. di Bari, Bari, Italy
Abstract :
Due to size and weight limitations, possible integrations of power electronics devices with electrical machines and propulsion engines are welcome in More-Electric-Aircrafts (MEA). Consequently, power converters are required to operate in harsh environments with high temperatures. SiC power devices are preferable in this context since they can tolerate high junction temperature and contribute reducing size and weight of the cooling system. In this paper, a 270/28 V SiC MOSFET Dual Active Bridge (DAB) converter is presented. In particular, its thermal behavior in harsh environments is investigated. Using two different tools, the performances of the system are analyzed at two levels: the single SiC MOSFET power module and the complete DAB converter. Results confirm the feasibility of the proposed power stage also when the ambient temperature rises above 300 C.
Keywords :
DC-DC power convertors; MOSFET; electric vehicles; power electronics; silicon compounds; wide band gap semiconductors; MOSFET dual active bridge converter; SiC; electrical machines; harsh environment applications; more-electric-aircraft; power converters; power electronics devices; propulsion engines; voltage 270 V; voltage 28 V; Junctions; MOSFET; Semiconductor device modeling; Silicon carbide; Switches; Temperature; Thermal conductivity; Dual Active Bridge Converter; More-Electric-Aircrafts; SiC MOSFETs;
Conference_Titel :
Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles (ESARS), 2015 International Conference on
Conference_Location :
Aachen
DOI :
10.1109/ESARS.2015.7101427