Kaleidoscope homogenizers sensitivity to shading

Yosef Meller, Abraham Kribus*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Dense-array CPV collectors require a homogenous flux distribution on the PV module in order to maximize efficiency. The kaleidoscope homogenizer concept is considered to be the solution for this requirement, and has shown good homogenization ability in previous analyses. These analyses, however, did not include varying shading situations created throughout the daily operation of a field of collectors, especially in dense fields. We show that such conditions reduce the kaleidoscope ability to homogenize to varying amounts, depending on field density, and that this has implications on the selection of suitable homogenizer length for a CPV field. The vertical-junction concept is seen as a possible solution.

Original languageEnglish
Pages (from-to)204-214
Number of pages11
JournalSolar Energy
Volume88
DOIs
StatePublished - Feb 2013

Keywords

  • CPV
  • Homogenizer
  • Kaleidoscope
  • Shading

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