The application of renewable energy system has become an important alternative in agricultural domain. This paper studies the Possibility of utilizing photovoltaic stand-alone systems to cover basic electricity needs of the livestock shelters located in Terny Beni Hdiel district of Tlemcen (Algeria). Data on solar radiation, sunshine duration has been recorded in Terny Beni Hdiel area. This photovoltaic system, which includes a PV, inverter, and a battery, was installed to supply energy to 5500W load, considering that the renewable energy resources of this site where the system was installed were 4509Wh/m2/day solar radiation yearly average speed. The National Renewable Energy Laboratory (NREL) optimization computer model for distributed power, "HOMER," is used for the analysis of sizing and sensitivity, performed in order to obtain the most feasible configuration of a photovoltaic system.
Any study or application of solar energy in a given site requires a complete and detailed knowledge of the available solar resources. Hence, the aim of this work is to evaluate global solar radiation on a horizontal surface in Teny Benu-Hdiel, Tlemcen, Algeria (latitude 34° 46'60" N, longitude 1°22'0" E) using measured meteorological data. The data were recorded in the period 1983 to 2005 using NASA's surface meteorology and solar energy-model. From these models, the new empirical constants have been obtained for Teny Benu-Hdiel. The selected models give very good results with the exception of second model (Quadratic model). Moreover, The results showed that the correlation of global solar radiation with sunshine hours, air temperature, relative humidity gives very accurate estimates for selected location (R2=0.997).Further to this, the global solar radiation values created for this study can be used in the designed and optimized performance of a stand-alone photovoltaic system for agricultural applications.
The document provided a general understanding of solar energy and how solar technology can be applied in practice to supply the lighting needs of the premise. The site analysis Tlemcen, weather data, is the design of the predicted value of the PV system. We present the analysis using the software PVSYST to optimize the system design for the premise. Simulation and calculation was made by taking into account the inclination and direction of a photovoltaic generator consider. The proposed photovoltaic system is mainly composed of 3 unit inverter, 3 batteries and 66 photovoltaic modules with nominal power 9.9kWc.
The doping concentration and the thickness of crystalline silicon solar cells strongly influence their performances. In this work we simulated a solar cell with ZnO/c-Si(n)/c-Si(p)/c-Si(p)/Ag structure. The optimization of thicknesses and doping concentrations of the emitter, absorber and the BSF layers were performed using the AFORS-HET simulation software.
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