Using a natural AM1.5G spectrum to help define an AM1.5D spectrum appropriate for CPV purposes

David Faiman, Arnon Karnieli, Nurit Ninari, Vladimir Melnichak, Sareet Jacob

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

Spectral measurements were performed of direct beam and global solar irradiance at normal incidence. The measurements were taken at Sede Boqer, during noontime, on a selection of cloudless days during the period December 2001 - March 2002. For those days having a low level of diffuse radiation, the ratios of direct beam to global spectra were found to follow a previously suggested, semi-empirical, 2-parameter formula based on Rayleigh scattering. For one of the days, with an unusually high level of diffuse radiation, this formula did not provide an adequate fit to the data. In order to provide an adequate fit it was found necessary to effect an ad hoc modification to the algebraic form of the original formula.

Original languageEnglish
Pages (from-to)927-930
Number of pages4
JournalConference Record of the IEEE Photovoltaic Specialists Conference
StatePublished - 1 Dec 2002
Event29th IEEE Photovoltaic Specialists Conference - New Orleans, LA, United States
Duration: 19 May 200224 May 2002

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