多尘条件下光伏系统的数学关系辨识

M. Maghami, H. Hizam, C. Gomes
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引用次数: 1

摘要

太阳能以太阳辐照度的形式来自太阳,通过使用光伏(PV)技术可以直接转化为电能。然而,与太阳能电池中使用的半导体有关的特性限制了光伏系统的效率到15- 20%。因此,为了提高光伏系统的效率,在光伏系统安装中应用了太阳跟踪器和最大功率点跟踪控制器等改进措施。虽然这些改进提高了光伏系统的效率,但很少有研究表明,光伏电池板上堆积的灰尘会显著降低光伏系统的效率。在本研究中,我们检测了两个光伏(PV)阵列,其中一个在实验期间每周清洗一次,另一个在实验期间根本不清洗。这些面板安装在马来西亚的Serdang,在坐标2°59'20"N 101°43'30"E和热带地面条件下。为了评估各环境因素对输出功率的影响,采用多元回归分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mathematical Relationship Identification for Photovoltaic Systems under Dusty Condition
Solar energy, which comes from the sun in theform of solar irradiance, can be directly converted toelectricity by using photovoltaic (PV) technology. However,the properties related to the nature of semiconductors usedin solar cells, has limited the efficiency of PV systems to 15-20 %. Thus, in order to increase the efficiency of PV systems, some improvements such as applying sun trackers and maximum power point tracking controllers, has been applied in PV system installation. Although these improvements have increased the efficiency of PV systems, afew studies have shown that the deposition of dust accumulation on the PV panels can significantly decrease theefficiency of PV systems. In this study, two Photovoltaic (PV)arrays were examined, of which one was cleaned weekly andthe other was not cleaned at all during the experiment. Thepanels were installed in Serdang, Malaysia, at coordinates2°59'20"N 101°43'30"E and under tropical-based groundconditions. To evaluate the effect of all environmental factors on output power, multiple regression analysis was applied.
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