CPV and illumination systems based on XR-Kohler devices

被引：5
|
作者：
Hernandez, Maikel [1 ]
Cvetkovic, Aleksandra [1 ]
Benitez, Pablo [1 ,2 ]
Carlos Minano, Juan [1 ,2 ]
Falicoff, Waqidi [3 ]
Sun, Yupin [3 ]
Chaves, Julio [1 ]
Mohedano, Ruben [1 ]
机构：
[1] LPI Europe, Edificio CEDINT,Campus Montegancedo UPM, Madrid 28223, Spain
[2] CEDINT Univ Politecn Madrid UPM, ETSI Telecomunicac, Madrid 28040, Spain
[3] LPI LLC, Altadena, CA 91001 USA
来源：
NONIMAGING OPTICS: EFFICIENT DESIGN FOR ILLUMINATION AND SOLAR CONCENTRATION VII | 2010年 / 7785卷
关键词：
nonimaging; concentrator; photovoltaic; solar energy; free-form;
D O I：
10.1117/12.861968
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The XR-Kohler concentrator(1) is a design that has the possibility to work under high concentration, maintaining the high acceptance angle and high irradiance uniformity on the solar cell. It is an on-axis free-form design that consists of a reflective (X) and refractive (R) surface. For a geometrical concentration of about 800x the simulated results show an acceptance angle of +/- 1.79deg with high irradiance uniformity on the solar cell. This article shows the design results of the XR-Kohler and also a novel passive cooling system (LPI patented) that keeps the solar cell operation temperature under 100 degrees C at extreme conditions (wind speed = 0 m/s, module tilt angle = 45deg and T-a = 50 degrees C). The results of using the XR-Kohler device as a collimator when the light source has very high non-uniform luminance distribution, i.e. multichip LEDs, are also here presented.
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页数：11
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