A Global Nonlinear Model for Photovoltaic Modules Based on 3-D Surface Fitting

IF 2.5 3区工程技术 Q3 ENERGY & FUELS

IEEE Journal of Photovoltaics Pub Date : 2024-06-21 DOI:10.1109/JPHOTOV.2024.3414115

Valdemar M. Cavalcante;Tiago Alves Fernandes;Renato Andrade Freitas;Fabricio Bradaschia;Marcelo Cabral Cavalcanti;Leonardo Rodrigues Limongi

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Abstract

The main objective of this work is to propose a global nonlinear model (GNLM), valid under varying solar irradiance ( G ) and temperature ( T ) conditions, generating characteristic curves that closely replicate the actual behavior of the evaluated modules. The proposed GNLM incorporates a technique that combines surface polynomial fitting based on numerical optimization. This integration results in the creation of unique adaptable surfaces for each parameter, providing them with flexibility. Additionally, the research also aims to investigate other nonlinear global models for photovoltaic modules and conduct a comparative study of accuracy. The proposed model demonstrated significantly superior results compared with the best model evaluated in the literature for xSi modules, with a normalized mean absolute error in power (NMAEP) percentage difference of 98.21% and a normalized root mean square deviation (NRMSD) difference of 25.60%. In contrast, for mSi modules, the results showed a slight improvement over the same model, with an NMAEP percentage difference of 26.19% and an NRMSD difference of 1.52%. Similarly, for CdTe modules, there was an NMAEP percentage difference of −0.84% and an NRMSD difference of 12.82%.

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基于三维表面拟合的光伏组件全局非线性模型

这项工作的主要目的是提出一个全局非线性模型（GNLM），该模型在不同的太阳辐照度（G）和温度（T）条件下有效，生成的特性曲线与所评估组件的实际行为密切相关。拟议的 GNLM 采用了一种基于数值优化的表面多项式拟合技术。这种整合为每个参数创建了独特的可适应曲面，使其具有灵活性。此外，该研究还旨在调查光伏模块的其他非线性全局模型，并进行精度比较研究。对于 xSi 模块，所提出的模型与文献中评估的最佳模型相比，显示出明显优越的结果，功率的归一化平均绝对误差（NMAEP）百分比差异为 98.21%，归一化均方根偏差（NRMSD）差异为 25.60%。相比之下，对于 mSi 模块，结果显示比同一模型略有改进，归一化功率平均绝对误差百分比差异为 26.19%，归一化均方根误差差异为 1.52%。同样，碲化镉模块的 NMAEP 百分比差异为-0.84%，NRMSD 差异为 12.82%。

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来源期刊

IEEE Journal of Photovoltaics ENERGY & FUELS-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

7.00

自引率

10.00%

发文量

206

期刊介绍： The IEEE Journal of Photovoltaics is a peer-reviewed, archival publication reporting original and significant research results that advance the field of photovoltaics (PV). The PV field is diverse in its science base ranging from semiconductor and PV device physics to optics and the materials sciences. The journal publishes articles that connect this science base to PV science and technology. The intent is to publish original research results that are of primary interest to the photovoltaic specialist. The scope of the IEEE J. Photovoltaics incorporates: fundamentals and new concepts of PV conversion, including those based on nanostructured materials, low-dimensional physics, multiple charge generation, up/down converters, thermophotovoltaics, hot-carrier effects, plasmonics, metamorphic materials, luminescent concentrators, and rectennas; Si-based PV, including new cell designs, crystalline and non-crystalline Si, passivation, characterization and Si crystal growth; polycrystalline, amorphous and crystalline thin-film solar cell materials, including PV structures and solar cells based on II-VI, chalcopyrite, Si and other thin film absorbers; III-V PV materials, heterostructures, multijunction devices and concentrator PV; optics for light trapping, reflection control and concentration; organic PV including polymer, hybrid and dye sensitized solar cells; space PV including cell materials and PV devices, defects and reliability, environmental effects and protective materials; PV modeling and characterization methods; and other aspects of PV, including modules, power conditioning, inverters, balance-of-systems components, monitoring, analyses and simulations, and supporting PV module standards and measurements. Tutorial and review papers on these subjects are also published and occasionally special issues are published to treat particular areas in more depth and breadth.