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Changes of solar cell parameters during damp-heat exposure

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conference contribution
posted on 2015-06-09, 14:56 authored by Jiang Zhu, Ralph Gottschalg, M. Koehl, S. Hoffmann, K.A. Berger, Shokufeh Zamini, I.J. Bennett, E. Gerritsen, P. Malbranch, P. Pugliatti, A. Di Stefano, F. Aleo, D. Bertani, F. Paletta, F. Roca, G. Graditi, M. Pellegrino, O. Zubillaga, P. Cano, A. Pozza, T. Sample
The degradation of PV modules during damp-heat exposure is investigated. Power degradation is analysed in dependence of temperature and humidity during exposure. The module’s equivalent circuit parameters are calculated from I-V characteristics measured during ageing. A dose function is developed and degradations of power as well as equivalent circuit parameters can be analysed against the dose, which provides a better understanding of the module ageing behaviour. EL images of modules before and after ageing support the changes of solar cell parameters.



  • Mechanical, Electrical and Manufacturing Engineering

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6 World Conference on Photovoltaic Energy Conversion


ZHU, J. ... et al, 2014. Changes of solar cell parameters during damp-heat exposure. Presented at : The 6th World Conference on Photovoltaic Energy Conversion, 23rd-27th November 2014, Kyoto, Japan.


Institute of Electrical and Electronics Engineers, Japan Society of Applied Physics and IEEE Electron Devices Society / © IEEE


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