New method to verify warranty conditions of PV modules

Scientists have developed a way to compare the data given by PV manufacturers based on standard test conditions (STC) to the real conditions in the field. The proposed technique is based on the single-diode model and the Newton-Raphson algorithm. The maximum relative error was found to be at 1. 37%. Researchers from Egypt's American University in Cairo have developed a novel methodology to validate measured performance and warranty conditions of PV modules. "Manufacturers of PV modules have datasheets that provide product-specific data points on the I-V curve at standard test conditions (STC)," ...

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