Power Scalable Bi-Directional DC-DC Conversion Solutions for Future Aircraft Applications

Antonio Lamantia, Francesco Giuliani and Alberto Castellazzi
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Antonio Lamantia: Blu Electronic Srl, Via Lavoratori Autobianchi 1, 20033 Desio (MB), Italy
Francesco Giuliani: Blu Electronic Srl, Via Lavoratori Autobianchi 1, 20033 Desio (MB), Italy
Alberto Castellazzi: Solid-State Power Processing (SP2) Lab, Faculty of Engineering, Kyoto University of Advanced Science, Kyoto 615-8577, Japan

Energies, 2020, vol. 13, issue 20, 1-13

Abstract: With the introduction of the more electric aircraft, there is growing emphasis on improving overall efficiency and thus gravimetric and volumetric power density, as well as smart functionalities and safety of an aircraft. In future on-board power distribution networks, so-called high voltage DC (HVDC, typically +/−270VDC) supplies will be introduced to facilitate distribution and reduce the associated mass and volume, including harness. Future aircraft power distribution systems will also very likely include energy storage devices (probably, batteries) for emergency back up and engine starting. Correspondingly, novel DC-DC conversion solutions are required, which can interface the traditional low voltage (28 V) DC bus with the new 270 V one. Such solutions presently need to cater for a significant degree of flexibility in their power ratings, power transfer capability and number of inputs/outputs. Specifically, multi-port power-scalable bi-directional converters are required. This paper presents the design and testing of such a solution, addressing the use of leading edge wide-band-gap (WBG) solid state technology, especially silicon carbide (SiC), for use as high-frequency switches within the bi-directional converter on the high-voltage side.

Keywords: DC-DC converters; multi-port dual-active bridge (DAB) converter; wide-band-gap (WBG) semiconductors; silicon carbide (SiC) MOSFETs; power converter (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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