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TECHNICAL PAPERS

Influence of Direct Normal Irradiance Variation on the Optimal Parabolic Trough Field Size: A Problem Solved with Technical and Economical Simulations

[+] Author and Article Information
Volker Quaschning, Rainer Kistner, Winfried Ortmanns

Deutsches Zentrum für Luft und Raumfahrt e.V., Plataforma Solar de Almerı́a, Apartado 39-E-04200 Tabernas, Spain

J. Sol. Energy Eng 124(2), 160-164 (Apr 24, 2002) (5 pages) doi:10.1115/1.1465432 History: Received June 01, 2001; Revised January 01, 2002; Online April 24, 2002
Copyright © 2002 by ASME
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References

Figures

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Influences and relations in a parabolic trough power plant
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Screenshot of the greenius simulation software used for the sizing of the solar field
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Annual electricity generation, efficiency, and LEC for a 50 MWe trough plant with a 375,000 m2 solar field size in dependence on the DNI (direct normal irradiation) for 50 random chosen sites
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Annual electricity generation and mean annual system efficiency in dependence on the solar field size of a 50 MWe trough plant for three project sites with different irradiation
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Determination of the optimum solar field size by means of the levelized electricity costs and the internal rate of return for three different project sites
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Hours of direct normal irradiance values EDNI of three different meteo data sets and of the direct irradiance Ecol in collector area received by the collector
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Solar field size over the design collector irradiance and the frequency distribution of the collector irradiance to estimate the optimal solar field size

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