Demonstration of a Novel Alternating Current Hybrid Concept for a Fuel Cell–Battery Hybrid Electric Aircraft

Hybrid electric aircraft offer the potential to decrease emissions from air travel. A new hybrid concept is proposed for a fuel cell-battery hybrid aircraft. In contrast to existing hybrids, the proposed concept puts a battery directly on the AC phases of the motor, which together with a suitable sw...

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Main Authors: Debjani Ghosh, Caroline Willich, Christiane Bauer, Josef Kallo
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/14/21/7350
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author Debjani Ghosh
Caroline Willich
Christiane Bauer
Josef Kallo
author_facet Debjani Ghosh
Caroline Willich
Christiane Bauer
Josef Kallo
author_sort Debjani Ghosh
collection DOAJ
description Hybrid electric aircraft offer the potential to decrease emissions from air travel. A new hybrid concept is proposed for a fuel cell-battery hybrid aircraft. In contrast to existing hybrids, the proposed concept puts a battery directly on the AC phases of the motor, which together with a suitable switching circuit superimposes the DC voltage from the battery on the AC voltage of the motor phase providing a voltage boost depending on the battery voltage, which can be used during a high-power demand flight phase. The system is also capable of recharging the battery during flight. The necessary switching architecture was developed and modeled in MATLAB/Simulink to verify the concept and an experimental setup was built for demonstrating the functionality. Simulation and experimental results showed a very good agreement which is very promising for the proposed new hybrid topology.
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spelling doaj.art-60c4aaa56f784d0da493542d0609c4a42023-12-03T13:26:45ZengMDPI AGEnergies1996-10732021-11-011421735010.3390/en14217350Demonstration of a Novel Alternating Current Hybrid Concept for a Fuel Cell–Battery Hybrid Electric AircraftDebjani Ghosh0Caroline Willich1Christiane Bauer2Josef Kallo3Institute for Energy Conversion and Storage, Ulm University, Albert-Einstein-Allee 47, 89081 Ulm, GermanyInstitute for Energy Conversion and Storage, Ulm University, Albert-Einstein-Allee 47, 89081 Ulm, GermanyInstitute for Energy Conversion and Storage, Ulm University, Albert-Einstein-Allee 47, 89081 Ulm, GermanyInstitute for Energy Conversion and Storage, Ulm University, Albert-Einstein-Allee 47, 89081 Ulm, GermanyHybrid electric aircraft offer the potential to decrease emissions from air travel. A new hybrid concept is proposed for a fuel cell-battery hybrid aircraft. In contrast to existing hybrids, the proposed concept puts a battery directly on the AC phases of the motor, which together with a suitable switching circuit superimposes the DC voltage from the battery on the AC voltage of the motor phase providing a voltage boost depending on the battery voltage, which can be used during a high-power demand flight phase. The system is also capable of recharging the battery during flight. The necessary switching architecture was developed and modeled in MATLAB/Simulink to verify the concept and an experimental setup was built for demonstrating the functionality. Simulation and experimental results showed a very good agreement which is very promising for the proposed new hybrid topology.https://www.mdpi.com/1996-1073/14/21/7350hybrid systembatteryfuel cellelectric aircraftpower control
spellingShingle Debjani Ghosh
Caroline Willich
Christiane Bauer
Josef Kallo
Demonstration of a Novel Alternating Current Hybrid Concept for a Fuel Cell–Battery Hybrid Electric Aircraft
Energies
hybrid system
battery
fuel cell
electric aircraft
power control
title Demonstration of a Novel Alternating Current Hybrid Concept for a Fuel Cell–Battery Hybrid Electric Aircraft
title_full Demonstration of a Novel Alternating Current Hybrid Concept for a Fuel Cell–Battery Hybrid Electric Aircraft
title_fullStr Demonstration of a Novel Alternating Current Hybrid Concept for a Fuel Cell–Battery Hybrid Electric Aircraft
title_full_unstemmed Demonstration of a Novel Alternating Current Hybrid Concept for a Fuel Cell–Battery Hybrid Electric Aircraft
title_short Demonstration of a Novel Alternating Current Hybrid Concept for a Fuel Cell–Battery Hybrid Electric Aircraft
title_sort demonstration of a novel alternating current hybrid concept for a fuel cell battery hybrid electric aircraft
topic hybrid system
battery
fuel cell
electric aircraft
power control
url https://www.mdpi.com/1996-1073/14/21/7350
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