EXPERIMENTAL EVALUATION OF CLIMATE PARAMETERS IMPACT ON GRID-CONNECTED PV ELECTRICITY GENERATION: A PRACTICAL APPROACH
2023-12-01 JOURNAL OF ENGINEERING SCIENCE AND TECHNOLOGY 2023 null(卷), null(期), (288-306页)
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Seasonal changes affect the performance of photovoltaic modules. An experimental study was conducted at the University of Technology, Baghdad, Iraq, in 2022 to evaluate a 3.3 kW grid-connected PV system. The environmental data such as ambient temperature, solar radiation intensity, wind speed, humidity, and dust were collected for the studied period. Also, several system parameters were evaluated during this period, including yield factor, capacity factor, and performance ratio (PR). The system's efficiency varied between 12.5% in December and 9.4% in June, with the highest productivity being 3.94 - 5.59 kWh/kWp daily. As for the inverter's efficiency, they ranged from 90% to 94%. Also, it found that the DC performance ratio (PR) was changed and reached its lowest point at 62% in January. PR percentages in June reached 73%. According to the study findings, the results were similar to those of arid region stations established in UAE, Kuwait, and Mauritania.
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