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  4. Photovoltaische Energieversorgung für Geräte im kleinen und mittleren Leistungsbereich
 
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1991
Book
Title

Photovoltaische Energieversorgung für Geräte im kleinen und mittleren Leistungsbereich

Title Supplement
Abschlußbericht. Forschungsvorhaben 0328689A
Abstract
In the low and medium power range photovoltaics is often a commercially competitive source of electric power. When units requiring small PV-generators are produced in large numbers, the demand for solar cells can be remarkably increased. Following this idea, we carried out 32 projects in cooperation with external partners - most of which were small industrial companies -. In these 32 projects, devices employing a small PV-power supply, PV-system components, and instruments for measuring solar energy system parameters were developed. Product descriptions have been compiled in a catalog. As the work progressed, tools were developed (e. g. a test facility to characterize solar cells and small modules under indoor illumination, computer software to design and simulate small PV-systems). The use of these tools and the expertise are now available for industrial customers. Fundamental investigations and experiments related to photovoltaic system performance have been carried out (e. g. room l ighting analysis, assessment of new, small batteries for use in small PV-power supplies, the optimal orientation and operating voltage of fixed PV-modules, and IV-curve measurements under real operating conditions). Furthermore, the mounting of PV-modules on roof-structures and on light-weight- structures (e. g. tents) and the enhancement of solar irradiance by reflectors on shed-roof constructions have been examined.
Author(s)
Heydenreich, W.
Jantsch, M.
Kaiser, R.
Laukamp, Hermann
Pfanner, Norbert
Roth, Werner
Schmid, J.
Schmidt, H.
Steinhüser, A.
Straub, P.
Corporate Author
Bundesministerium für Forschung und Technologie -BMFT-, Bonn
Fraunhofer-Institut für Solare Energiesysteme -ISE-, Freiburg/Brsg.
Language
German
Fraunhofer-Institut für Solare Energiesysteme ISE  
Keyword(s)
  • battery

  • electronic ballast

  • elevation

  • energy yield

  • integration

  • measurement

  • MPPT

  • orientation

  • photovoltaic

  • power supply

  • pump

  • pv-generator

  • simulation

  • system design

  • system sizing

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