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Edge filters in thermophotovoltaic applications
Högskolan Dalarna, Akademin Industri och samhälle, Miljöteknik.
Högskolan Dalarna, Akademin Industri och samhälle, Miljöteknik.
2001 (engelsk)Inngår i: 17th European Photovoltaic Solar Energy Conference, München, Tyskland, 2001Konferansepaper, Publicerat paper (Fagfellevurdert) Published
Abstract [en]

In order to achieve high efficiency in a TPV generator, it is important that a high fraction of emitted photons with energies below the TPV cell bandgap are reflected back to the emitter. This can be accomplished in several ways. We present the idea of an internally reflecting egg-shaped double cone with emitter at one end, an edge filter at the wide center, and the TPV array at the other end. This geometry has so far been studied by means of both ray tracing analysis and by means of measurements with a simulated emitter. A sharp switchover from transmission to reflection in a multiple layer dielectric filter can be achieved only if the angles of the incident rays are confined to a fairly narrow interval. The two methods both show thet the studied optics can lower the angular spread of rays incident onto the filter and that some 96% of the emitted rays (in the ideal case) reach their goal without passing the filter more than once.

sted, utgiver, år, opplag, sider
München, Tyskland, 2001.
Emneord [en]
solenergi, PV, TPV, optik
Identifikatorer
URN: urn:nbn:se:du-1124OAI: oai:dalea.du.se:1124DiVA, id: diva2:521435
Konferanse
17th European Photovoltaic Solar Energy Conference, München, Tyskland, 22-26 oktober, 2001
Tilgjengelig fra: 2005-05-19 Laget: 2005-05-19 Sist oppdatert: 2012-04-24bibliografisk kontrollert

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