Sinusoidal spectral correction for high precision outdoor module characterization

D. Berman, D. Faiman, B. Farhi

    Research output: Contribution to journalArticlepeer-review

    19 Scopus citations


    We present the results of experiments which demonstrate that a sinusoidal variation in the long-term, STC-corrected, outdoor performance of PV modules is caused by seasonal spectral changes in the received sunlight. This variation may be factored out to increase the precision of outdoor studies. We use this result (a) to quantify the rate of EVA degradation observed in the Negev desert under natural 1-sun conditions and (b) to identify a principal source of the 'summer recovery' observed in modules of amorphous silicon cells.

    Original languageEnglish
    Pages (from-to)253-264
    Number of pages12
    JournalSolar Energy Materials and Solar Cells
    Issue number3
    StatePublished - 15 Jul 1999

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Renewable Energy, Sustainability and the Environment
    • Surfaces, Coatings and Films


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