Abstract
With the growing interest in solar (photovoltaic) PV systems like standalone or grid connected, rooftop or building integrated it has become important to provide the solution for site dependent performance of the system. Since drop in voltage is more sensitive to temperature rather than rising in current, hence module temperature is key parameter to be determined accurately in order to decide the size the of the module as well overall PV size. This voltage drop also impact the DC string as well as AC side voltage. Several researchers have evaluated the impact of temperature on module performance but since it is site dependent hence an experiment is conducted in Mathura (27.4924° N, 77.6737° E) to observe the impact of module temperature on the performance of the PV system in real climate conditions. The observations are that mean square error (MSE), root mean square error (RMSE), mean bias error (MBE), standard deviation error (SDE) between simulated and experimental energy are minimum in comparison to standard approach which does not include wind effect. More over the size of the system can be reduced from 2.8 to 6% and margin of disconnection from load due to sudden disturbances like passing of clouds over the PV system is 0.14 s (7 cycles) more, provided that module temperature must be determined accurately.
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ACKNOWLEDGMENTS
Authors are very thankful to the electrical maintenance department of the GLA University for providing the necessary data and required support about the 25 KWp Solar PV system. Besides this authors are also thankful to laboratory technical staff for their untiring efforts.
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All the required equipments were purchased by Solar Energy Laboratory of Electrical Engineering department.
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Subhash Chandra, Agrawal, S. & Chauhan, D.S. Impact of Photovoltaic Module Temperature on Size and Voltage Stability, a Case Study in Indian Climate. Appl. Sol. Energy 56, 324–333 (2020). https://doi.org/10.3103/S0003701X20050059
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DOI: https://doi.org/10.3103/S0003701X20050059