Performance of a Prototype Stationary Catadioptric Concentrating Photovoltaic Module

William McMahon, John Lloyd, Michael Pavilonis, Christopher Gladden, Chadwick Casper, Kevin Schneider, Peter Kozodoy

Research output: Contribution to journalArticlepeer-review

8 Scopus Citations

Abstract

A stationary catadioptric concentrating photovoltaic module with aperture area over 100 cm2, geometric concentration of 180x, and collection within 60° of polar incidence was designed, prototyped, and characterized. The module performance followed modeling closely with a peak power conversion e ciency of 26% for direct irradiance. Tracking of the sun is accomplished via translational micro-tracking completely internal to the module, avoiding the cost and complexity of mechanical two-axis trackers that point towards the sun. This demonstrates the potential for concentrating photovoltaic modules with significantly higher e ciency than industry standard silicon photovoltaic modules that could be installed in stationary configurations on rooftops.

Original languageAmerican English
Pages (from-to)A413-A419
JournalOptics Express
Volume26
Issue number10
DOIs
StatePublished - 2018

Bibliographical note

Publisher Copyright:
© 2018 Optical Society of America.

NREL Publication Number

  • NREL/JA-5900-71763

Keywords

  • concentrators
  • geometric optical design
  • micro-optics
  • photovoltaic
  • solar energy

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