Design of the secondary optical elements for concentrated photovoltaic units with Fresnel lenses

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题名:	Design of the secondary optical elements for concentrated photovoltaic units with Fresnel lenses
作者:	陳怡呈;Chen, Yi-Cheng;Chiang, Hung-Wei
贡献者:	工學院機械工程學系
关键词:	concentrated photovoltaic;Design;Efficiency;Fresnel Lens;optical efficiency;Photovoltaic cells;secondary optical element;Simulation;Solar energy
日期:	2015-01-01
上传时间:	2026-04-23 14:57:49 (UTC+8)
出版者:	MDPI Multidisciplinary Digital Publishing Institute;Basel: MDPI AG
摘要:	摘要： The goal of this presented study was to determine the optimum parameters of secondary optical elements (SOEs) for concentrated photovoltaic (CPV) units with flat Fresnel lenses. Three types of SOEs are under consideration in the design process, including kaleidoscope with equal optical path design (KOD), kaleidoscope with flat top surface (KFTS), and open-truncated tetrahedral pyramid with specular walls (SP). The function of using a SOE with a Fresnel lens in a CPV unit is to achieve high optical efficiency, low sensitivity to the sun tracking error, and improved uniformity of irradiance distribution on the solar cell. Ray tracing technique was developed to simulate the optical characteristics of the CPV unit with various design parameters of each type of SOE. Finally, an optimum KOD-type SOE was determined by parametric design process. The resulting optical performance of the CPV unit with the optimum SOE was evaluated in both single-wavelength and broadband simulation of solar spectrum. 出版者： Basel: MDPI AG 出版日期： 2015-12-01 出處： Applied sciences, 2015-12, Vol.5 (4), p.770-786 資源來源： Publicly Available Content Database 版權： 2015 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. 識別號： ISSN: 2076-3417 識別號： EISSN: 2076-3417 識別號： DOI: 10.3390/app5040770
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