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Modeling Spectrum Dependent Characteristics of Triple Junction Solar Cells for Solar-Powered Aircraft

Ackermann, Daniel and Reininghaus, Nies and Bierig, Andreas (2021) Modeling Spectrum Dependent Characteristics of Triple Junction Solar Cells for Solar-Powered Aircraft. In: 2021 Annual Modeling and Simulation Conference, ANNSIM 2021. Annual Modeling and Simulation Conference 2021, 19.-21. Jul. 2021, Fairfax, Virginia, USA. doi: 10.23919/ANNSIM52504.2021.9552139. ISBN 978-156555375-0.

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Official URL: https://ieeexplore.ieee.org/document/9552139

Abstract

To build a high-altitude solar-powered aircraft with persistent flight capabilities, an energetic analysis during development is essential. The German Aerospace Center (DLR) is currently developing its own demonstrator aircraft. To investigate the power income of the aircraft's triple junction solar cells, a simulation model is necessary. Most important different spectral irradiance influences shall be considered for calculating electrical characteristics. Besides analyses the solar cells shall be simulated for a hardware-in-the-loop (HIL) testbed too which leads to real-time requirements. Because simulation models of solar cells with the listed capabilities were not existing, a new approach had to be developed. The external quantum efficiency (EQE) and a pre-measured current-voltage (I-V) curve are the key tools to calculate the cells' new I-V curve to a given spectrum. First validation results attest accurate results at different spectra conditions and a consistent runtime of less than 20 μs on the target hardware.

Item URL in elib:https://elib.dlr.de/144842/
Document Type:Conference or Workshop Item (Speech)
Title:Modeling Spectrum Dependent Characteristics of Triple Junction Solar Cells for Solar-Powered Aircraft
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Ackermann, DanielDaniel.Ackermann (at) dlr.deUNSPECIFIED
Reininghaus, NiesNies.reininghaus (at) dlr.dehttps://orcid.org/0000-0002-9509-274X
Bierig, AndreasAndreas.Bierig (at) dlr.deUNSPECIFIED
Date:21 July 2021
Journal or Publication Title:2021 Annual Modeling and Simulation Conference, ANNSIM 2021
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI :10.23919/ANNSIM52504.2021.9552139
ISBN:978-156555375-0
Status:Published
Keywords:solar cell, triple junction, electrical characteristic, real-time, solar-powered aircraft, simulation, model
Event Title:Annual Modeling and Simulation Conference 2021
Event Location:Fairfax, Virginia, USA
Event Type:international Conference
Event Dates:19.-21. Jul. 2021
Organizer:The Society for Modeling and Simulation International (SCS)
HGF - Research field:Energy
HGF - Program:other
HGF - Program Themes:E - no assignment
DLR - Research area:Energy
DLR - Program:E - no assignment
DLR - Research theme (Project):E - no assignment
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Safety Critical Systems&Systems Engineering
Institute of Networked Energy Systems > Urban and Residential Technologies
Deposited By: Ackermann, Daniel
Deposited On:03 Dec 2021 20:31
Last Modified:06 Dec 2021 15:01

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