Solar irradiation on the rear surface of bifacial solar modules: a modeling approach

Date

2020-08-01

Author

Durusoy, Beyza
ÖZDEN, TALAT
Akınoğlu, Bülent Gültekin

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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The transition in the energy sector has started with the growing population leading to the growing energy demands. The use of photovoltaic (PV) technologies has become a crucial way to meet energy demand. There are many ongoing studies for increasing the efficiency of commercial PV modules. One way to increase the energy yield of the PV modules is to use bifacial solar panels by capturing the rear side illumination as well. One of the challenges for estimating the bifacial module performances is to calculate the solar irradiation impinging on the rear side. Many models presented up to now require high computational power, and they are challenging to implement real-life conditions. In this paper, a simple physical modeling approach is presented to calculate the rear side solar irradiation incident on the bifacial modules. For the rear side irradiance estimation, the maximum difference between the measured and calculated rear side irradiance value is approximately 10 W/m(2). The model does not require high computational skills since it is neither focused on the view factor nor ray tracing methodologies but instead uses solar geometry. The yield of the module is also modeled, calculated, and compared with the measurements.

Subject Keywords

Multidisciplinary

URI

https://hdl.handle.net/11511/56254

Journal

SCIENTIFIC REPORTS

DOI

https://doi.org/10.1038/s41598-020-70235-3

Collections

Department of Physics, Article

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Citation Formats

B. Durusoy, T. ÖZDEN, and B. G. Akınoğlu, “Solar irradiation on the rear surface of bifacial solar modules: a modeling approach,” SCIENTIFIC REPORTS, pp. 0–0, 2020, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/56254.