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Use of Pyranometers to Estimate PV Module Degradation Rates in the Field

  • Manajit Sengupta
  • , Frank Vignola
  • , Josh Peterson
  • , Rich Kessler
  • , Fotis Mavromatakis
  • University of Oregon
  • Technological Educational Institute of Crete

Research output: NLR › Poster

Abstract

This poster provides an overview of a methodology that uses relative measurements to estimate the degradation rates of PV modules in the field. The importance of calibration and cleaning is illustrated. The number of years of field measurements needed to measure degradation rates with data from the field is cut in half using relative comparisons.
Original languageAmerican English
PublisherNational Laboratory of the Rockies (NLR)
StatePublished - 2016

Publication series

NamePresented at the 43rd IEEE Photovoltaic Specialists Conference, 5-10 June 2016, Portland, Oregon

NLR Publication Number

  • NREL/PO-5D00-66499

Keywords

  • degradation rates
  • PV module
  • pyranometer

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