Qualification Testing of Thin-Film and Crystalline Photovoltaic Modules

    Research output: Contribution to journalArticle


    The results of the first complete module qualification testing performed on the photovoltaic (PV) modules of several different manufacturers and a variety of technologies are presented here. Both thin-film and crystalline PV modules are being evaluated. The National Renewable Energy Laboratory (NREL) now has the capability to perform all the tests in the proposed IEEE PV module qualification testsequence. Each test performed will be discussed. In addition, we have developed new test methods and improved techniques as well as engineering solutions to problems encountered with some of the present test procedures. This work not only demonstrates NREL's continuing commitment to work and interact with PV manufacturers to improve their modules from both a performance and a reliabilitystandpoint, but also shows the ongoing effort to validate ASTM test methods and IEEE qualification testing procedures. Finally, this kind of research is needed before further studies of the correlation between indoor, accelerated testing and outdoor, real-world exposure can be made, with the hope of eventually predicting long-term PV module service lifetimes in the field.
    Original languageAmerican English
    Pages (from-to)575-586
    Number of pages12
    JournalSolar Energy Materials and Solar Cells
    Issue number1-4
    StatePublished - 1996

    NREL Publication Number

    • NREL/JA-21762


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