Algorithm for Building a Spectrum for NREL's One-Sun Multi-Source Simulator: Preprint

Research output: Contribution to conferencePaper

Abstract

Historically, the tools used at NREL to compensate for the difference between a reference spectrum and a simulator spectrum have been well-matched reference cells and the application of a calculated spectral mismatch correction factor, M. This paper describes the algorithm for adjusting the spectrum of a 9-channel fiber-optic-based solar simulator with a uniform beam size of 9 cm square at 1-sun.The combination of this algorithm and the One-Sun Multi-Source Simulator (OSMSS) hardware reduces NREL's current vs. voltage measurement time for a typical three-junction device from man-days to man-minutes. These time savings may be significantly greater for devices with more junctions.
Original languageAmerican English
Number of pages7
StatePublished - 2012
Event2012 IEEE Photovoltaic Specialists Conference - Austin, Texas
Duration: 3 Jun 20128 Jun 2012

Conference

Conference2012 IEEE Photovoltaic Specialists Conference
CityAustin, Texas
Period3/06/128/06/12

NREL Publication Number

  • NREL/CP-5200-54134

Keywords

  • calibrations
  • multijunction
  • multisource simulator
  • solar simulation
  • spectral mismatch

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