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.

引用

页数：11

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