Optimizing the Solar Photovoltaic Performance under Orthogonal Progressive Shading with Various Reconfigurations

IF 1.204 Q3 Energy
Navneet, Neha Khurana, Smita Pareek
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Abstract

Renewable energy is in very much demand in current time due to its many favorable environment effect. Solar energy is one of the frontline sources of renewable energy. Solar photovoltaic converts the solar light into electricity. The performance of the solar photovoltaic depends on various parameters and one of such parameters is shading behavior. Further, the shading pattern and the progress of the shading are also important for predicting the solar performance. The interconnections of solar cells also impact the performance of solar photovoltaic. Therefore, a 4 × 4 module with various interconnections such as series-parallel (SP), total cross tied (TCT), bridge-link (BL), honeycomb (HC) and triple tied (TT) are studied under the row and column wise shading pattern. Shading pattern on a 4 × 4 module is increased cell by cell in horizontal direction, both from left to right and right to left. In the similar fashion, the shading pattern is varied from top to bottom or vice-versa in vertical direction. This shading pattern progresses from first row to the last and first column to last column in a progressive fashion. The power-voltage and current-voltage characteristics of solar photovoltaic are investigated for the mentioned shading patterns using various reconfigurations. The power output is identical when all cells in a row or column are shaded. On the other hand, if only few cells are shaded on row or column then the power output with TCT connection is highest among all connections. Further, the power output is for complete column shading is much higher than complete row shading for all the connections. The theoretical simulated results can ensure better implementation of interconnection in hardware set-up based on the shading pattern.

Abstract Image

Abstract Image

利用各种重新配置优化正交渐进遮阳条件下的太阳能光伏性能
Abstract 可再生能源因其对环境的诸多有利影响,在当今社会需求量非常大。太阳能是可再生能源的前沿来源之一。太阳能光伏发电可将太阳光转化为电能。太阳能光伏发电的性能取决于各种参数,遮阳行为就是其中之一。此外,遮阳模式和遮阳进度对于预测太阳能性能也很重要。太阳能电池的相互连接也会影响太阳能光伏发电的性能。因此,我们研究了 4 × 4 模块的各种互连方式,如串并联(SP)、全交叉绑扎(TCT)、桥连(BL)、蜂巢(HC)和三重绑扎(TT),并研究了行和列遮光模式。4 × 4 模块上的遮光模式在水平方向上从左到右和从右到左逐单元增加。同样,在垂直方向上,遮光模式也从上到下变化,反之亦然。这种阴影模式从第一行到最后一行,从第一列到最后一列,循序渐进。通过各种重新配置,研究了上述遮光模式下太阳能光伏发电的功率-电压和电流-电压特性。当一行或一列的所有电池都被遮蔽时,输出功率是相同的。另一方面,如果一行或一列中只有少数电池片被遮光,那么采用 TCT 连接的功率输出在所有连接中是最高的。此外,在所有连接中,完全列遮光的功率输出远远高于完全行遮光的功率输出。理论模拟结果可确保根据阴影模式在硬件设置中更好地实现互连。
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来源期刊
Applied Solar Energy
Applied Solar Energy Energy-Renewable Energy, Sustainability and the Environment
CiteScore
2.50
自引率
0.00%
发文量
0
期刊介绍: Applied Solar Energy  is an international peer reviewed journal covers various topics of research and development studies on solar energy conversion and use: photovoltaics, thermophotovoltaics, water heaters, passive solar heating systems, drying of agricultural production, water desalination, solar radiation condensers, operation of Big Solar Oven, combined use of solar energy and traditional energy sources, new semiconductors for solar cells and thermophotovoltaic system photocells, engines for autonomous solar stations.
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