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Design issues for grid-connected photovoltaic systemsRopp, Michael Eugene 12 1900 (has links)
No description available.
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Design, fabrication and analysis of high efficiency multicrystalline silicon solar cellsSana, Peyman 05 1900 (has links)
No description available.
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Analytical model of an n+-p-p+ concentrator solar cellShaheen, Momtaz January 1988 (has links)
Concentrator solar cells operate under the conditions of non-uniform illumination and varying spectral content of incident sunlight. To predict the performance of such cells, an analytical model must account for varying carrier photogeneration rates within the cell. Further, the back surface junction fabricated to reduce recombination at the back contact must be included in the analysis.Most models of n+-p-p+ cells assume uniform generation rates within individual layers. In this study, a one-dimensional n+-p-p+ concentrator solar cell is modeled for all levels of illumination of incident sunlight. The photocarrier generation rate is considered as non-uniform in each layer of the cell. An absorption model is incorporated to permit the application for various spectral mixes of incident sunlight. The model also includes the effects of finite surface recombination velocities at the surfaces. Carrier transport equations for the three layers of the cell are developed and solved for the excess carrier concentrations under the assumptions of the model. Junction current density-voltage relationships for the two junctions of the cell are derived. The use of the current density equations in the evaluation of cell performance is discussed. / Department of Physics and Astronomy
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A methodology to study photovoltaics and storage system interactions /Kroposki, Benjamin David, January 1992 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1992. / Vita. Abstract. Includes bibliographical references (leaves 87-90). Also available via the Internet.
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Very High Efficiency Solar Cell (VHESC) sub-module measurementWang, Xiaoting. January 2008 (has links)
Thesis (M.E.E.)--University of Delaware, 2008. / Principal faculty advisor: Allen Barnett, Dept. of Electrical & Computer Engineering. Includes bibliographical references.
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Specific energy yield of low-power amorphous silicon and crystalline silicon photovoltaic modules in a simulated off-grid, battery-based system /Kullmann, Stephen. January 1900 (has links)
Thesis (M.S.)--Humboldt State University, 2009. / Includes bibliographical references (leaves 69-70). Also available via Humboldt Digital Scholar.
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Star-shaped molecules for organic photovoltaics synthesis and structure-property relationships /Bhandari, Yashpal. January 2007 (has links)
Thesis (Ph.D.)--University of Delaware, 2006. / Principal faculty advisor: Mary E. Galvin-Donoghue, Dept. of Materials Science & Engineering. Includes bibliographical references.
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Micro irrigation with photovoltaicsSmith, Douglas Virgil, Allison, Steven V. 04 1900 (has links)
Prepared under contract no. EX-76-A-01-2295-037.
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A comparison of 50Hz and high frequency integrated technologies for application in photo-voltaic driven invertersClaassens, Jonathan Anton 22 May 2008 (has links)
The purpose of this investigation is to compare high frequency to low frequency (50Hz) technologies. To accomplish this, two highly optimized candidate converters are built to champion each of the inverter classes. Both candidates are constrained to produce the same quasi-sinusoidal output waveforms in identical operating conditions. The low frequency inverter is designed with optimization of its output power quality and accurate loss characterization taken in mind. A new iron core design procedure is proposed that may predict core losses when using non-sinusoidal excitation. Experimental results indicate that it has a promising degree of accuracy. The high frequency candidate is designed using planar integration technology. A topology selection determines that a critical-conduction mode flyback is the most suitable option. Components are added the topology to allow resonant switching for reduced switching losses. Common-mode current arising from good capacitive coupling between windings in the planar coupled inductor is reduced using charge balancing technology. The novelty of the converter lies is in the fact that all passive components, barring the bulk of the input capacitance and the output capacitance, are incorporated into the single planar structure. Finally, a comparison of the inverters is made in the categories of power quality, regulation, efficiency, robustness and applicability to the application. The high frequency inverter is found to promise substantial advantages over the low frequency variety in most of these elements. / Dr. I.W. Hofsajer
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Functional diblock copolymers for nanofabrications and photovoltaic applicationsTam, Wing-yan, 譚詠欣 January 2010 (has links)
published_or_final_version / Chemistry / Doctoral / Doctor of Philosophy
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