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Technical Briefs

Concentrating PV: An Alternative to Calorimeters for Measuring High Solar Flux Densities

[+] Author and Article Information
Jesús Fernández-Reche

Solar Concentrating Systems, Plataforma Solar de Almería-CIEMAT, Plataforma Solar de Almería, P.O. Box 22, E-4200 Tabernas-Almería, Spainjesus.fernandez@psa.es

Marcelino Sánchez, Inmaculada Cañadas, José Rodríguez, Jesús Ballestrín

Solar Concentrating Systems, Plataforma Solar de Almería-CIEMAT, Plataforma Solar de Almería, P.O. Box 22, E-4200 Tabernas-Almería, Spain

Miguel Alonso

 Photovoltaic Solar Energy, Renewable Energy Department-CIEMAT, Avenida Complutense 22, E-28040 Madrid, Spainmiguel.alonso@ciemat.es

Faustino Chenlo

 Photovoltaic Solar Energy, Renewable Energy Department-CIEMAT, Avenida Complutense 22, E-28040 Madrid, Spain

J. Sol. Energy Eng 130(4), 044502 (Sep 09, 2008) (3 pages) doi:10.1115/1.2969815 History: Received September 21, 2006; Revised February 27, 2008; Published September 09, 2008

Gardon calorimetric transducers are widely used to measure concentrated solar radiation flux on solar thermal areas. These measurements need some correction to adapt their response from thermal to solar irradiance measurement. The authors propose the use of concentrating photovoltaic PV-cells to measure concentrated solar radiation flux. This paper shows the results obtained from a comparative test carried out in a solar furnace measuring concentrated solar irradiance with calorimetric and photovoltaic sensors, Gardon, and PV-Cells, respectively.

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Copyright © 2008 by American Society of Mechanical Engineers
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Figures

Grahic Jump Location
Figure 2

Power measured with the Gardon fluxmeter versus the power measured with the GaAs PV-cell. Line shows the linear fit of the experimental data.

Grahic Jump Location
Figure 1

Spectral irradiance of a blackbody at 850°C, solar spectral irradiance with an air mass ratio 1.5 (AM1.5), and Zynolyte spectral absorptance (left). Spectral irradiance of xenon lamp, solar spectral irradiance with an air mass ratio 1.5 (AM1.5), and GaAs spectral response (right).

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