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Divergent Aging Pathways of PV Modules Under 21 Years of Saharan Exposure: From Stability to Structural Decline
One-line summary
A solar energy research paper on Divergent Aging Pathways of PV Modules Under 21 Years of Saharan Exposure: From Stability to Structural Decline.
Engineering notes
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Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
Abstract Photovoltaic modules deployed in Saharan environments undergo accelerated aging due to prolonged exposure to extreme climatic stressors. This study presents a 21 year outdoor evaluation of UDTS 50 monocrystalline modules, with electrical parameters (Voc, Isc , Vmp, Pmax, and FF) extracted from I V and P V curve tracing and corrected to STC conditions. Two distinct degradation pathways were identified: gradual decline in modules PN1–PN4 and abrupt deterioration in PN5 linked to mechanical damage. Annual degradation rates ranged from 0.49% to 0.70% for Voc and up to 1.23% for Pmax.
This work represents a rare long-term field-based case study documenting the performance of UDTS-50 modules after 21 years of continuous Saharan exposure. By distinguishing progressive aging from failure modes, and combining in situ measurements with MATLAB modeling, the work provides a replicable framework for long term PV reliability assessment. The findings highlight the limitations of laboratory simulations, support predictive modeling of performance losses, and inform recalibration and maintenance strategies for PV systems in desert climates.
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