Combined heat and power generation with a HCPV system at 2000 suns

Date Issued
2015
Author(s)
Paredes, Filippo
•
Montagnino, Fabio M.
•
•
Bonsignore, Gaetano
•
Milone, Sergio
•
Agnello, Simonpietro
•
•
Gelardi, Franco M.
•
•
•
•
Cannas, Marco
DOI
Abstract
This work shows the development of an innovative solar CHP system for the combined production of heat and power based upon HCPV modules working at the high concentration level of 2000 suns. The solar radiation is concentrated on commercial InGaP/InGaAs/Ge triple-junction solar cells designed for intensive work. The primary optics is a rectangular off-axis parabolic mirror while a secondary optic at the focus of the parabolic mirror is glued in optical contact with the cell. Each module consist of 2 axis tracker (Alt-Alt type) with 20 multijunction cells each one integrated with an active heat sink. The cell is connected to an active heat transfer system that allows to keep the cell at a high level of electrical efficiency (ηel > 30 %), bringing the heat transfer fluid (water and glycol) up to an output temperature of 90°C. Accordingly with the experimental data collected from the first 1 kWe prototype, the total amount of extracted thermal energy is above the 50% of the harvested solar radiation. That, in addition the electrical efficiency of the system contributes to reach an overall CHP efficiency of more than the 80%.
Coverage
11th International Conference on Concentrator Photovoltaic Systems: CPV-11
All editors
Siefer, Gerald; Baudrit, Mathieu; Antón, Ignacio
Series
Volume
1679
Issue
1
Start page
100003
Conferenece
11th International Conference on Concentrator Photovoltaic Systems: CPV-11
Conferenece place
Aix-les-Bains, France
Conferenece date
3-15 April, 2015
Uri
Url
Issn Identifier
0094-243X
Ads BibCode
2015AIPC.1679j0003P
Rights
open.access
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