University of Oulu

C. Schuss, T. Fabritius, B. Eichberger and T. Rahkonen, "Impacts on the Output Power of Photovoltaics on Top of Electric and Hybrid Electric Vehicles," in IEEE Transactions on Instrumentation and Measurement, vol. 69, no. 5, pp. 2449-2458, May 2020,

Impacts on the output power of photovoltaics on top of electric and hybrid electric vehicles

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Author: Schuss, Christian1; Fabritius, Tapio1; Eichberger, Bernd2;
Organizations: 1Circuits and Systems (CAS) Research Unit, University of Oulu, 90014 Oulu, Finland
2Institute of Electronic Sensor Systems, Graz University of Technology, 8010 Graz, Austria
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 4.5 MB)
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Language: English
Published: Institute of Electrical and Electronics Engineers, 2019
Publish Date: 2020-02-03


This paper investigates the potential output power of a photovoltaic (PV) installation on top of battery-powered electric vehicles (BEVs) and hybrid electric vehicles (HEVs). Firstly, we discuss the available area on the roof of BEVs and HEVs for deploying PV cells. Secondly, we verify the impact of the vehicles curved roof surface on the available output power of photovoltaics. More precisely, we present a method of calculating the effective area of PV cells, useful for PV simulation models and calculating the available output power of PV cells with different longitudinal angles. We verify our method within experiments and present the results of them, showing that the model predicts the output power of PV cells with an accuracy better than 2.5%. Furthermore, we discuss the impact of the curved surface and ambient conditions on possible interconnections of PV cells. Here, we present considerations for both, stationary and moving conditions, to highlight the difficulties for interconnecting PV cells to form PV panels. From our experimental results, for frequent changes in the available solar radiation level, we can see a difference in terms of output power larger than 75% between series and parallel interconnections of PV cells.

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Series: IEEE transactions on instrumentation and measurement
ISSN: 0018-9456
ISSN-E: 1557-9662
ISSN-L: 0018-9456
Volume: 69
Issue: 5
Pages: 2449 - 2458
DOI: 10.1109/TIM.2019.2962850
Type of Publication: A1 Journal article – refereed
Field of Science: 213 Electronic, automation and communications engineering, electronics
Funding: This work was financially supported by Infotech Oulu. Dr. Christian Schuss and Prof. Tapio Fabritius are partially funded by the Academy of Finland 6Genesis (6G) Project (grant no. 318927). Prof. Tapio Fabritius was also supported by the Academy of Finland’s FIRI funding (grant no. 320017).
Academy of Finland Grant Number: 318927
Detailed Information: 318927 (Academy of Finland Funding decision)
320017 (Academy of Finland Funding decision)
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