This study, it is aimed to evaluate the degradation of two different types of photovoltaic (PV) technology; a 10 W Monocrystalline PV module and a 7 W Amorphous Silicon PV module. The electrical key parameters; open circuit voltage, short circuit current, maximum power point, current and voltage at maximum power point (MPP), fill factor of 10 W Monocrystalline PV module and MPP, current and voltage at MPP of 7 W Amorphous Silicon PV module. Five years later, key points of 10 W Monocrystalline and 7 W Amorphous Silicon PV modules are gathered via outdoor experiments conducted via the Solar Survey 200R and Seaward PV200 solar PV test devices. The solar radiation and temperature data is gathered via a 200R device, meanwhile, electric data result from the conversion of solar radiation via the PV module received via the Seaward PV200 Solar PV Test Device. The results illustrated that the open circuit voltage increased over time because of the degradation of the modules which also result in changes in almost all key parameters. For the amorphous panel, the study concluded with the voltage distortion rate at the MPP of 7.05% and the annual distortion rate at the MPP of the voltage at 1.41% between the 2016 and 2021 years. On the other hand, the decrease rate of the circuit voltage is -19.05; the annual deterioration rate was determined as -3.81%. For the monocrystalline panel, the voltage at the MPP is -16.67% and the annual voltage reduction rates from -3.33% are also the results of this study.
Alan : Fen Bilimleri ve Matematik; Mühendislik
Dergi Türü : Uluslararası
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