Advanced Indoor Module Light-Soaking Facility

    Research output: Contribution to conferencePaper


    An overview of the accelerated, indoor light-soaking test station is presented in this paper, along with data obtained for six modules that underwent exposure. The station comprises a climate-controlled chamber equipped with a solar simulator that allows 1-sun light intensity exposure. Concurrently, we monitor the electrical characteristics of multiple PV modules and exercise active control overtheir electrical bias using programmable electronic loads, interfaced to a data acquisition system that acquires power-tracking and current-voltage data. This capability allows us to the test different bias conditions and to cyclically alternate between them. Additionally, we can vary the light intensity and module temperatures to garner realistic temperature coefficients of module performance.Data obtained on cadmium telluride (CdTe) and amorphous silicon (a-Si) modules are presented.
    Original languageAmerican English
    Number of pages5
    StatePublished - 2005
    Event2004 DOE Solar Energy Technologies Program Review Meeting - Denver, Colorado
    Duration: 25 Oct 200428 Oct 2004


    Conference2004 DOE Solar Energy Technologies Program Review Meeting
    CityDenver, Colorado

    Bibliographical note

    Presented at the 2004 DOE Solar Energy Technologies Program Review Meeting, 25-28 October 2004, Denver, Colorado. Also included in the proceedings available on CD-ROM (DOE/GO-102005-2067; NREL/CD-520-37140)

    NREL Publication Number

    • NREL/CP-520-36986


    • amorphous silicon (a-si)
    • cadmium telluride (CdTe) photovoltaic solar cells modules
    • climate-controlled chamber
    • indoor light-soaking test station
    • module
    • PV
    • solar simulator


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