Static concentrator photovoltaic module with prism array

To obtain cost-effective photovoltaic modules, we have developed static prism-array concentrator modules consisting of prism concentrators about 4 mm thick assembled unidirectionally under a 3.2-mm-thick cover glass. Calculating the optical collection efficiency for the annual solar irradiation in T...

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Bibliographic Details
Published in:Solar energy materials and solar cells 2001-03, Vol.67 (1), p.415-423
Main Authors: Uematsu, T, Yazawa, Y, Miyamura, Y, Muramatsu, S, Ohtsuka, H, Tsutsui, K, Warabisako, T
Format: Article
Language:English
Subjects:
Applied sciences
Concentrator module
Energy
Exact sciences and technology
Natural energy
Photovoltaic conversion
Prism array
Solar cells. Photoelectrochemical cells
Solar energy
Static concentrator
V-grooved reflector
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Summary:To obtain cost-effective photovoltaic modules, we have developed static prism-array concentrator modules consisting of prism concentrators about 4 mm thick assembled unidirectionally under a 3.2-mm-thick cover glass. Calculating the optical collection efficiency for the annual solar irradiation in Tokyo, we found that the theoretical efficiency of the modules is 94.4% when the geometrical concentration ratio is 1.88 and that it is 89.1% when that ratio is 2.66, respectively. Fabricating prism-array-concentrator modules with a geometrical concentration ratio of 2.66, we obtained a maximum optical collection efficiency of 82% with a flat reflector and 81.7% with a V-grooved reflector.
ISSN:0927-0248
1879-3398
DOI:10.1016/S0927-0248(00)00310-X