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Proceedings Paper

A high temperature hybrid photovoltaic-thermal receiver employing spectral beam splitting for linear solar concentrators
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Paper Abstract

Hybrid photovoltaic/thermal (PV-T) solar collectors are capable of delivering heat and electricity concurrently. Implementing such receivers in linear concentrators for high temperature applications need special considerations such as thermal decoupling of the photovoltaic (pv) cells from the thermal receiver. Spectral beam splitting of concentrated light provides an option for achieving this purpose. In this paper we introduce a relatively simple hybrid receiver configuration that spectrally splits the light between a high temperature thermal fluid and silicon pv cells using volumetric light filtering by semi-conductor doped glass and propylene glycol. We analysed the optical performance of this device theoretically using ray tracing and experimentally through the construction and testing of a full scale prototype. The receiver was mounted on a commercial parabolic trough concentrator in an outdoor experiment. The prototype receiver delivered heat and electricity at total thermal efficiency of 44% and electrical efficiency of 3.9% measured relative to the total beam energy incident on the primary mirror.

Paper Details

Date Published: 5 September 2015
PDF: 8 pages
Proc. SPIE 9559, High and Low Concentrator Systems for Solar Energy Applications X, 95590D (5 September 2015); doi: 10.1117/12.2187869
Show Author Affiliations
Ahmad Mojiri, RMIT Univ. (Australia)
Cameron Stanley, RMIT Univ. (Australia)
Gary Rosengarten, RMIT Univ. (Australia)


Published in SPIE Proceedings Vol. 9559:
High and Low Concentrator Systems for Solar Energy Applications X
Adam P. Plesniak; Andru J. Prescod, Editor(s)

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