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首页> 外文期刊>International journal of green energy >Performance evaluation of solar photovoltaic systems
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Performance evaluation of solar photovoltaic systems

机译：太阳能光伏系统性能评估

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Flat plane and concentrating photovoltaic systems are the two major technologies for sunlight direct conversion into electricity. This work compares the energy generation potential of concentrating and non-concentrating PV systems under a summer clear sky day of the Tunisian Saharan city Tozeur. A fixed PV panel directly exposed to the solar irradiance is firstly studied. An asymmetric compound parabolic concentrator was then designed and used to focus the solar irradiance on this PV panel, which collects so the reflected sunlight. The electrical performance of these systems is experimentally characterized, and results indicate that the concentrating PV system performs better regarding the system output and electrical efficiency. Similarly, a financial analysis is performed and justify our solar installation choice. Two 3D CFD models describing the performance of these solar systems are then developed and experimental data are used for these models validation. Based on the good agreement between the numerical and experimental results, the performance of these two systems is evaluated of a cloudy day, the effect of the weather conditions is so discussed and the optimum design is evaluated.
机译：平面平面和浓缩光伏系统是阳光直接转换为电力的两种主要技术。这项工作比较了突尼斯撒哈拉州托泽尔夏季清澈的天空日下集中和非集中光伏系统的能量发电潜力。首先研究了一个固定的PV面板直接暴露于太阳辐照度。然后设计了一种不对称的复合抛物型浓缩器并用于将该PV面板上的太阳辐照聚焦，该光伏面板收集所以反射的阳光。这些系统的电性能是实验表征的，并且结果表明集中式PV系统在系统输出和电效率方面更好地执行。同样，进行财务分析并证明我们的太阳能安装选择。然后，使用描述这些太阳能系统性能的3D CFD模型，并用于这些模型验证的实验数据。基于数值和实验结果之间的良好一致性，这两个系统的性能在多云的日期评估了天气条件的效果，如此讨论，评估了最佳设计。

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