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1 Ecological Chemistry and Engineering. S

1 2020

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Numerical procedures and their practical application in PV module analyses. Part IV: atmospheric transparency parameters - application

Rodziewicz Tadeusz, Rajfur Małgorzata, Wacławek Maria

Ecological Chemistry and Engineering. S

2020

Vol. 27, nr 1

9--39

The presented article relates to aspects of PV module testing using natural sunlight in outdoor conditions. It is a continuation of the article Part III: parameters of atmospheric transparency - determining and correlations. This article discusses the practical application of the indexes: atmosphere purity - kTm, diffused component content - ks/o, beam clear sky index - Kb - in testing various modules in outdoor conditions. Their influence on the conversion of modules made from various absorbers and various technologies is demonstrated. Their practical application in module testing in outdoor conditions is described and it - has been demonstrated that the results of the analyses carried out using the indexes conform to the results obtained using spectral parameters of solar radiation (i.e. APE and UF). These are the measurements that require the use of very expensive equipment.