ECN publication
Title:
Stagnation temperature in PVT collectors
 
Author(s):
 
Published by: Publication date:
ECN Energy in the Built Environment 1-10-2002
 
ECN report number: Document type:
ECN-RX--02-045 Conference Paper
 
Number of pages: Full text:
4 Download PDF  

Presented at: PV in Europe - From PV Technology to Energy Solutions Conference and Exhibition, Rome, Italy, 7-11 oktober 2002.

Abstract:
PVT collectors are thermal collectors in which a PV-laminate functionsas the solar thermal absorber. In this way, a collector is generated that produces both heat and electrical power. A consequence of integrating a PV laminate in a thermal collector is a potentially high PV temperature, especially under stagnation conditions. In this paper, a numerical model to calculate this temperature is validated and estimates are made of the maximum PV temperature under stagnation conditions for various locations in Europe. It will be shown that for the prototype presented here, in the North of Europe the collector temperature will stay below 130 °C. This is important, since the risk of EVA delamination increases strongly for temperatures over 135 °C.


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