Özet:

Technology, which is indispensable in the modern world, has made human beings dependent on energy. Much of the world’s global energy comes from fossil fuels which are harmful to people and the environment and also really expensive. Those negativities push the nations to investigate new energy sources and have in have increased the interest and investment in renewable energy. Solar energy is one of the most environmentally friendly, abundant, cheap and healthy natural energy sources. A study has been started in Düzce University to benefit from solar energy in order to contribute to our country and the world. Düzce University Scientific and Technological Research Application and Research Center (DUBIT) installed three photovoltaic panels of amorphous silicon (a-Si), polycrystalline silicon (pc-Si), and monocrystalline silicon (mc-Si). The three installed panels produce a total power of 7.5 kW such that 2.5 KW of power are produced by each panel independently. In this study, the efficiency, performance, radiation, and total daily energy values generated by the photovoltaic panels used, based on the summer months (May, June, July, August) for the years 2014 to 2019, six-years analyses were completed. According to the analyses and calculations carried out, the performance and efficiency of the panels over the years were evaluated in the climatic conditions of Düzce. Analysis of the results obtained, it was concluded that the PV panel m-Si is the highest type of panel with an efficiency of 12.8% and performance of 87.6%. Furthermore, it was observed that the summer months of 2015 were the year in which all photovoltaic panels operated with the highest efficiency. 

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