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[IEEE 2018 15th International Multi-Conference on Systems, Signals & Devices (SSD) - Yassmine Hammamet, Tunisia (2018.3.19-2018.3.22)] 2018 15th International Multi-Conference on Systems, Signals & Devices (SSD) - An Integrated Thermal and Electrical Model for PV Panel Performance
摘要： This work presents an integrated thermal and electrical model for Photovoltaic panel based on Matlab/Simulink tools. The model is designed for extreme and dusty weather conditions. The objective of this work is to reach a realistic online simulation that accommodates all major environmental variables such ambient temperature, relative humidity, wind speed and solar irradiation. The water mass flow rate was used to control the PV panel temperature through surface cooling in order to boost its output power. The output power adjustment was needed for power system operation purposes. The developed model is now ready any future controller development. The obtained results for testing the model under varying online climatic conditions and for various water mass flow rates were very satisfactory. The use of water to cool the panel played two major roles namely PV cleaning and temperature reduction then consequently increasing the panel power output.
关键词： Thermal model,Simulation,surface cooling,PV panel performance,Electrical model
更新于2025-09-23 15:23:52
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Effect of dust concentration, wind speed, and relative humidity on the performance of photovoltaic panels in Tehran
摘要： Impact of dust concentration and weather conditions – wind speed and relative humidity – on power generation of photovoltaic (PV) panels investigated experimentally in Tehran, Iran, for the period of April 10–September 22, 2018. Two Photovoltaic panels together with data-logging equipment were applied in this experiment. One panel was cleaned every day, while the other was remained unclean after 45 days. A performance ratio called “cleanness index” (CI) which is a temperature-corrected performance ratio of a soiled PV panel to that of a clean one was also used to indicate the dust deposition effect on PV panel performance. The uncertainty range of experimental results was between 5.27% and 5.55%. The results show that cleanness index had positive correlation with wind speed and negative correlations with relative humidity and dust concentration. Thus, in comparison to the clean PV panel, the output-power of the soiled panel reduced, approximately 8–12% per month. Furthermore, in order to numerically predict daily change of cleanness index (ΔCIPre), a linear regression model was developed and the outcome revealed that dust concentration had the most impact, with 21.56%.
关键词： cleanness index,dust deposition,weather condition,Photovoltaic panel,performance loss
更新于2025-09-19 17:13:59
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[IEEE 2019 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) - Gramado, Brazil (2019.9.15-2019.9.18)] 2019 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America) - Performance and Durability Analysis of Photovoltaic Panels under Different Climatic Conditions
摘要： Analysis of the performance and durability of photovoltaic (PV) panels allows a coherent and assertive planning. In this study the main causes of PV panel's degradation are evaluated, thus presenting a way to obtain its degradation rate (DeR). The DeR was applied to a simulation in the program OpenDSS to verify electrical losses along panel’s lifetime. Simulations in different scenarios were run to evaluate the degradation levels in different locations. With these results was possible to predict the durability of some PV modules and to validate them with a reasonable precision degree. The conclusion is that in hot climates with high degradation rates, the PV generation may remain higher along the guarantee period than in locations where degradation rates are lower. Thus, this study provides a substantial assertiveness for investments in PV generation.
关键词： PV panel performance,Lifetime,Photovoltaic generation,Degradation rate
更新于2025-09-16 10:30:52