Design of a LED-based solar simulator for energy harvesting applications

2017 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) Pub Date : 2017-11-01 DOI:10.1109/ROPEC.2017.8261661

C. Caballero, Rafael Rodríguez Ponce, F. Muñoz

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引用次数: 1

Abstract

In this paper, design considerations for a low cost, site-specific solar simulator with only white LED emitters as light source are presented, harnessing the low dependence of crystalline solar cells on spectral distribution, which allows a low complexity design. Although several solar-based energy harvesting systems have been reported on different publications, the evaluation of their performance has been accomplished under different outdoor conditions that largely affect the results, making difficult to reproduce results, achieve an objective comparison and predict minimum conditions for reliable operation under different operation scenarios. As an alternative for controlled indoor testing, the use of solar simulators is proposed; nevertheless, typical commercial solar simulators are costly, complex and mainly designed for testing photovoltaic devices under simulated and ideal clear-sky standards, such as AM 1.5G, which differs from real-life outdoor conditions, since solar irradiance is highly dependent on weather conditions and geographical location: The proposed design is aimed for testing devices under controlled and close to real conditions.

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用于能量收集应用的基于led的太阳能模拟器的设计

在本文中，提出了一种低成本，仅使用白光LED发射器作为光源的特定地点太阳模拟器的设计考虑因素，利用晶体太阳能电池对光谱分布的低依赖性，从而实现低复杂度的设计。尽管在不同的出版物上已经报道了几种基于太阳能的能量收集系统，但对其性能的评估是在不同的室外条件下完成的，这在很大程度上影响了结果，因此难以再现结果，实现客观比较，并预测不同运行场景下可靠运行的最小条件。作为受控室内测试的替代方案，建议使用太阳能模拟器;然而，典型的商用太阳能模拟器价格昂贵且复杂，主要用于在模拟和理想晴空标准下测试光伏设备，如AM 1.5G，这与现实室外条件不同，因为太阳辐照度高度依赖于天气条件和地理位置。本设计旨在控制和接近真实条件下测试设备。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC)

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