Deriving a Latitude-Optimized Pyranometer Calibration Factor: Preprint

    Research output: Contribution to conferencePaper


    Work in recent years has produced improvements in determining the solar resource by better characterizing the responsivity of pyranometers. The calibration process can characterize a common responsivity dependency on the solar zenith angle, which can then be used to compensate for sensor variations during instrument deployment. However, daily compensation throughout the range of zenith anglesmight not be necessary for applications requiring only annual irradiance. This paper describes a method of identifying a measurement bias due to latitude of deployment and optimizing an instrument's clear-sky responsivity for annual solar radiation measurements based on the relationship between solar zenith angles and the latitude.
    Original languageAmerican English
    Number of pages8
    StatePublished - 2002
    EventAmerican Solar Energy Society Solar 2002 Conference - Reno, Nevada
    Duration: 15 Jun 200219 Jun 2002


    ConferenceAmerican Solar Energy Society Solar 2002 Conference
    CityReno, Nevada

    Bibliographical note

    Prepared for the American Solar Energy Society Solar 2002 Conference, 15-19 June 2002, Reno, Nevada

    NREL Publication Number

    • NREL/CP-560-31910


    • calibrations
    • latitude
    • latitude-optimized
    • pyranometers
    • responsivity
    • solar
    • zenith


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