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Modeling and simulation play a critical role in designing, developing, and predicting the performance of photovoltaic systems. This paper aims to develop a new approach to simulate a solar cell's electrical and thermal performance under various environmental conditions. Heat and temperature modeling in a commercial silicon solar cell has been performed by calculating heat losses via heat transfer method. The effects of environmental conditions on the temperature distribution and electrical efficiency of the solar cell, such as variations in the intensity of sunlight using a concentrator, ambient temperature, and wind speed, have also been investigated. Increasing the intensity of sunlight by using a concentrator will increase the output power of the solar cell. The simulation results show that under standard test conditions (STC), the output power of the modeled solar cell without a concentrator is 14.3 mW/cm², whereas the output power of the same cell in the presence of a concentrator device with a concentration ratio of two is 25.7 mW/cm². On the other hand, as temperature rises, the efficiency and output power of the solar cell decreases by 0.4-0.5 %/^oC in both concentrator and non-concentrator modes. Also, the obtained results indicate that as wind speed rises, the temperature difference between the solar cell and the ambient decreases.

Keywords: Solar cell electrical performance, solar cell temperature distribution, heat transfer modeling, simulation

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