Abstract

Failure mode and effect analysis (FMEA) is a significant procedure to guarantee the long life of PV module after 20 years. An overview of the potential failures for the mono-c-Si technology is provided initially. 90 mono-crystalline silicon (mono-c-Si) photovoltaic (PV) modules mounted at the National Institute of Solar Energy (NISE), Gurgaon were considered to perform the FMEA after 24 years of outside exposure in a semi-arid climate of India. Different investigation has been approved out following visual inspection, I-V characteristic, electroluminescence (EL) characterization, insulation resistance and risk priority number (RPN) for the FMEA validation. Results show the insulation resistance and the hot spot are the most severe failure modes for the mono-c-Si PV modules under the semi-arid climate of India.

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