An Inherent Decoupled Triple-Active Bridge Converter for All-Electric Aircraft DC Power Systems

Giuseppe Bossi, Nicola Campagna, Mauro Boi, Rosario Miceli and Alfonso Damiano ()
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Giuseppe Bossi: Department of Electrical and Electronic Engineering, University of Cagliari, Via Marengo 2, 09124 Cagliari, Italy
Nicola Campagna: Department of Engineering, University of Palermo, Viale delle Scienze, Ed. 8, 90133 Palermo, Italy
Mauro Boi: Department of Electrical and Electronic Engineering, University of Cagliari, Via Marengo 2, 09124 Cagliari, Italy
Rosario Miceli: Department of Engineering, University of Palermo, Viale delle Scienze, Ed. 8, 90133 Palermo, Italy
Alfonso Damiano: Department of Electrical and Electronic Engineering, University of Cagliari, Via Marengo 2, 09124 Cagliari, Italy

Energies, 2024, vol. 17, issue 24, 1-17

Abstract: This paper focuses on a power conditioning system for an all-electric aircraft (AEA) powered by a single battery pack. The research project aims to identify a multi-port DC/DC converter topology that adequately supplies the two DC buses connected to the propulsion system and auxiliary equipment, respectively. To achieve this, a triple-active bridge (TAB) in its inherently decoupled configuration has been investigated, prototyped, and experimentally verified. The TAB voltage control system was designed, simulated, and experimentally validated. Specifically, start-up, steady-state and step-load performances were evaluated by the simulation study and then experimentally validated on a scaled prototype. The results assess the feasibility of using an inherently decoupled TAB as a power conditioning system for interconnecting the AEA battery pack with the electric propulsion and auxiliary systems. In particular, the developed TAB configuration secures the decoupled power transfer between the two output ports providing at the same time good dynamic performance in terms of voltage control during step-load variation.

Keywords: DC/DC converters; triple-active bridge; energy storage systems; all-electric aircraft (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: 2024
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