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Estimating Crack Effects on Electrical Characteristics of PV Modules Based on Monitoring Data and – Curves

L. Feng, J. Zhang, T.S. Kiong, K. Ding, N. Amin, F.U. Hamelmann, IEEE Journal of Photovoltaics 13 (2023) 558–570.

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Artikel | Veröffentlicht | Englisch
Autor*in
Feng, LiFH Bielefeld; Zhang, Jingwei; Kiong, Tiong Sieh; Ding, Kun; Amin, Nowshad; Hamelmann, Frank U.FH Bielefeld
Abstract
This study presents an approach to investigate microcrack effects on the output characteristics of photovoltaic (PV) modules based on a theoretical model that is derived from the equivalent single-diode model through monitoring data and current–voltage ( I – V ) curves. Meanwhile, an innovative parameter optimization algorithm based on particle swarm optimization is developed to extract the parameters. The parametric effects of microcracks on the electrical performance of PV modules are further explored under different meteorological conditions. It was found that the microcracks are formed early without creating inactive areas in solar cells, and the microcrack effects on the output performance of the PV modules are small. The temperature of the normally operating solar cells in a cracked PV module is lower than that of solar cells in a normal PV module. The number of equivalent mismatched solar cells caused by microcracks in the cracked PV module varies continuously with irradiance and temperature. Except for the apparently unaffected I 0 , microcracks not only greatly reduce the I ph and R sh but also have a more serious negative impact on the Rs and n of the PV module at high irradiance. Meanwhile, the n_ normal , Rs_ normal , and R sh _ normal of the normal solar cells and the R sh _ cracks of the cracked solar cells in the cracked PV module are exponentially related to the irradiance. Finally, the experimental validation is effectively implemented to prove the great effectiveness and suitability of the proposed method. The average voltage error of each reconstructed I – V curve based on the extracted parameters and the average errors in Pm , Vm , Im , and V oc of the cracked PV module for 532 I – V curves are 1.15 V, 0.67%, 0.85%, 0.49%, and 0.089%, respectively.
Erscheinungsjahr
Zeitschriftentitel
IEEE Journal of Photovoltaics
Band
13
Zeitschriftennummer
4
Seite
558-570
ISSN
eISSN
FH-PUB-ID

Zitieren

Feng, Li ; Zhang, Jingwei ; Kiong, Tiong Sieh ; Ding, Kun ; Amin, Nowshad ; Hamelmann, Frank U.: Estimating Crack Effects on Electrical Characteristics of PV Modules Based on Monitoring Data and – Curves. In: IEEE Journal of Photovoltaics Bd. 13, Institute of Electrical and Electronics Engineers (IEEE) (2023), Nr. 4, S. 558–570
Feng L, Zhang J, Kiong TS, Ding K, Amin N, Hamelmann FU. Estimating Crack Effects on Electrical Characteristics of PV Modules Based on Monitoring Data and – Curves. IEEE Journal of Photovoltaics. 2023;13(4):558-570. doi:10.1109/JPHOTOV.2023.3275251
Feng, L., Zhang, J., Kiong, T. S., Ding, K., Amin, N., & Hamelmann, F. U. (2023). Estimating Crack Effects on Electrical Characteristics of PV Modules Based on Monitoring Data and – Curves. IEEE Journal of Photovoltaics, 13(4), 558–570. https://doi.org/10.1109/JPHOTOV.2023.3275251
@article{Feng_Zhang_Kiong_Ding_Amin_Hamelmann_2023, title={Estimating Crack Effects on Electrical Characteristics of PV Modules Based on Monitoring Data and – Curves}, volume={13}, DOI={10.1109/JPHOTOV.2023.3275251}, number={4}, journal={IEEE Journal of Photovoltaics}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Feng, Li and Zhang, Jingwei and Kiong, Tiong Sieh and Ding, Kun and Amin, Nowshad and Hamelmann, Frank U.}, year={2023}, pages={558–570} }
Feng, Li, Jingwei Zhang, Tiong Sieh Kiong, Kun Ding, Nowshad Amin, and Frank U. Hamelmann. “Estimating Crack Effects on Electrical Characteristics of PV Modules Based on Monitoring Data and – Curves.” IEEE Journal of Photovoltaics 13, no. 4 (2023): 558–70. https://doi.org/10.1109/JPHOTOV.2023.3275251.
L. Feng, J. Zhang, T. S. Kiong, K. Ding, N. Amin, and F. U. Hamelmann, “Estimating Crack Effects on Electrical Characteristics of PV Modules Based on Monitoring Data and – Curves,” IEEE Journal of Photovoltaics, vol. 13, no. 4, pp. 558–570, 2023.
Feng, Li, et al. “Estimating Crack Effects on Electrical Characteristics of PV Modules Based on Monitoring Data and – Curves.” IEEE Journal of Photovoltaics, vol. 13, no. 4, Institute of Electrical and Electronics Engineers (IEEE), 2023, pp. 558–70, doi:10.1109/JPHOTOV.2023.3275251.

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