Site-independent algorithm for obtaining the direct beam insolation from a multipyranometer instrument

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21 Scopus citations

Abstract

The possibility of using the Perez irradiance model for reconstructing the beam and diffuse components of solar radiation from measurements with a fixed multipyranometer system is investigated. It is shown that an iterative algorithm can be derived that enables determination of the direct beam component to about ±50 W/m2 without requiring any site-dependent adjustments. The standard error on the derived global irradiance on inclined surfaces of arbitrary orientation is at the ±10 W/m2 level. It is concluded that the present degree of precision renders the multipyranometer method an attractive alternative to standard instrumentation for radiation surveys in remote regions. Possibilities for further improvements are discussed.

Original languageEnglish
Pages (from-to)53-57
Number of pages5
JournalSolar Energy
Volume50
Issue number1
DOIs
StatePublished - 1 Jan 1993

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • General Materials Science

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