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Proceedings Paper

Optimized design and research of secondary microprism for dense array concentrating photovoltaic module
Author(s): Guanghui Yang; Bingzhen Chen; Youqiang Liu; Limin Guo; Shun Yao; Zhiyong Wang
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Paper Abstract

As the critical component of concentrating photovoltaic module, secondary concentrators can be effective in increasing the acceptance angle and incident light, as well as improving the energy uniformity of focal spots. This paper presents a design of transmission-type secondary microprism for dense array concentrating photovoltaic module. The 3-D model of this design is established by Solidworks and important parameters such as inclination angle and component height are optimized using Zemax. According to the design and simulation results, several secondary microprisms with different parameters are fabricated and tested in combination with Fresnel lens and multi-junction solar cell. The sun-simulator IV test results show that the combination has the highest output power when secondary microprism height is 5mm and top facet side length is 7mm. Compared with the case without secondary microprism, the output power can improve 11% after the employment of secondary microprisms, indicating the indispensability of secondary microprisms in concentrating photovoltaic module.

Paper Details

Date Published: 15 October 2015
PDF: 7 pages
Proc. SPIE 9676, AOPC 2015: Optical Design and Manufacturing Technologies, 967603 (15 October 2015); doi: 10.1117/12.2197255
Show Author Affiliations
Guanghui Yang, Beijing Univ. of Technology (China)
Bingzhen Chen, Beijing Univ. of Technology (China)
Youqiang Liu, Beijing Univ. of Technology (China)
Limin Guo, Beijing Univ. of Technology (China)
Shun Yao, Beijing Univ. of Technology (China)
Zhiyong Wang, Beijing Univ. of Technology (China)

Published in SPIE Proceedings Vol. 9676:
AOPC 2015: Optical Design and Manufacturing Technologies
Lin Li; Kevin P. Thompson; Ligong Zheng, Editor(s)

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