Photovoltaic module power rating per IEC 61853-1: A study under natural sunlight

Karen Paghasian, Govindasamy Tamizhmani

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    7 Citations (Scopus)

    Abstract

    Power rating of photovoltaic modules at seven irradiance and four temperature matrix levels of IEC 61853-1 standard is one of the most important requirements to accurately predict energy production of photovoltaic modules at different climatic conditions. Actual outdoor measurements do not necessarily yield exact values as outlined by the power rating matrix so translation of these values is necessary. The primary objective of this work is to validate, based on outdoor measurements, the translation procedures as delineated in IEC 60891 standard and the bilinear interpolation method developed by NREL. These translation procedures were applied for four different module technologies: Mono-Si, a-Si, CdTe, and CIGS. To obtain data at various irradiance levels, different mesh screens with varying light transmittance were used with known transmittance values. To obtain data at various temperatures, the test module was pre-cooled in an air-conditioned wooden cabinet or an environmental chamber and then a series of current-voltage measurements were carried out under sunlight while the module warmed up naturally. To obtain data at temperatures higher than 45°C, the test module's backsheet was covered with a thermal insulator. The device linearity of all the four modules was determined using IEC 60904-10 procedure. An extensive validation analysis of the four translation procedures indicates that all the four procedures are remarkably accurate within an average error of 3% and RMSE of 4.5%.

    Original languageEnglish (US)
    Title of host publicationConference Record of the IEEE Photovoltaic Specialists Conference
    Pages2322-2327
    Number of pages6
    DOIs
    StatePublished - 2011
    Event37th IEEE Photovoltaic Specialists Conference, PVSC 2011 - Seattle, WA, United States
    Duration: Jun 19 2011Jun 24 2011

    Other

    Other37th IEEE Photovoltaic Specialists Conference, PVSC 2011
    CountryUnited States
    CitySeattle, WA
    Period6/19/116/24/11

    Fingerprint

    Environmental chambers
    Monocrystalline silicon
    Voltage measurement
    Electric current measurement
    Temperature
    Interpolation
    Air
    Hot Temperature

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Control and Systems Engineering
    • Industrial and Manufacturing Engineering

    Cite this

    Paghasian, K., & Tamizhmani, G. (2011). Photovoltaic module power rating per IEC 61853-1: A study under natural sunlight. In Conference Record of the IEEE Photovoltaic Specialists Conference (pp. 2322-2327). [6186418] https://doi.org/10.1109/PVSC.2011.6186418

    Photovoltaic module power rating per IEC 61853-1 : A study under natural sunlight. / Paghasian, Karen; Tamizhmani, Govindasamy.

    Conference Record of the IEEE Photovoltaic Specialists Conference. 2011. p. 2322-2327 6186418.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Paghasian, K & Tamizhmani, G 2011, Photovoltaic module power rating per IEC 61853-1: A study under natural sunlight. in Conference Record of the IEEE Photovoltaic Specialists Conference., 6186418, pp. 2322-2327, 37th IEEE Photovoltaic Specialists Conference, PVSC 2011, Seattle, WA, United States, 6/19/11. https://doi.org/10.1109/PVSC.2011.6186418
    Paghasian K, Tamizhmani G. Photovoltaic module power rating per IEC 61853-1: A study under natural sunlight. In Conference Record of the IEEE Photovoltaic Specialists Conference. 2011. p. 2322-2327. 6186418 https://doi.org/10.1109/PVSC.2011.6186418
    Paghasian, Karen ; Tamizhmani, Govindasamy. / Photovoltaic module power rating per IEC 61853-1 : A study under natural sunlight. Conference Record of the IEEE Photovoltaic Specialists Conference. 2011. pp. 2322-2327
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