Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 955 for “"PV"”.
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High-efficiency Transformerless PV Inverter Circuits
… been a great interest in exploring photovoltaic (PV) sources. For the PV generation system, the power converter is the most essential part for the efficiency and function performance. In recent years, there have been quite a few new transformerless PV inverters topologies, which eliminate the …
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Novel PV Solar Farm Control as STATCOM (PV-STATCOM) for SSR Mitigation in Synchronous Generators and Wind Farms
… SSR, but these are quite expensive. Large scale PV solar farms are growing at a very rapid rate across the world. It is quite likely that they may get installed near synchronous generators or wind farms which are directly or indirectly interfaced with series compensated lines. For the first time, …
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Smoothing PV output fluctuation using cooling fan
… The purpose of this project is to absorb PV output fluctuation as much as possible with electrical consumer in buildings such as cooling fan, and to make the overall current draw steadily from the system (consumer + PV output), without fast intermittency. For absorbing PV output …
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Direct coupled PV/CCD hybrid focal planes
Thesis: M.S., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 1979
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Multi-Phase Smart Converter for PV System
… the advantages of cascaded smart converter PV system over traditional centralized and string PV system. However, even by adopting the cascaded smart converter, it is not always possible to track maximum power point (MPP) for all the panels under heavy shading condition, and a central …
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Pathogenicity Genes of Pseudomonas Syringae Pv. Tabaci Br2
Pseudomonas syringae pv. tabaci BR2 produces tabtoxin and causes wildfire disease on tobacco and bean plants. Tn5 mutants of PTBR2.024 were generated by using pGS9::Tn5. The Tn5 mutants wre prototrophs, resistant to kanamycin, nalidixic acid, and streptomycin, but sensitive to chloramphenicol. …
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Prospects for grid-connected solar PV in Kenya
… I propose that grid-connected solar PV offers an alternative solution to displace expensive diesel generation, while capitalizing on Kenya's abundant solar resource and avoiding large upfront financing requirements. Coordinated operation of Kenya's extensive reservoir hydro capacity …
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Resistance Control MPPT for Smart Converter PV System
… sources with multiple loads. Photovoltaic (PV) is essentially a typical renewable source that serves as main power source in DC nano-grid system. Traditional PV system includes centralized PV system, string PV system and micro-converter PV system. More recently, smart converter PV system has …
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Desarrollo de un método de detección sensible y específico de Pseudomonas syringae pv. syringae y Pseudomonas syringae pv. morsprunorum en cerezos
Las bacterias Pseudomonas syringae pv. syringae (Pss) y Pseudomonas syringae pv. morsprunorum (Psm) afectan al cerezo, especialmente a plantas jóvenes, y causan pérdidas económicas importantes a nivel mundial. Para contrarrestar esta situación, una de las medidas es poder contar con herramientas …
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AN OPENDSS FRAMEWORK OF AN 100% PV PENETRATION MICROGRID
… is to understand how the microgrid with 100% PV penetration reacts to multiple scenarios. This is done by creating a framework or test model in OPENDSS and ETAP. The stability is tested by creating a test scenario that tests the safety equipment in place and also provides insight in to …
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Frequency Control of Wind and PV Based Isolated Microgrid
<p>The wind and solar PV based isolated microgrid can be economical and reliable for the remote area where the grid is not available. The frequency and voltage fluctuation are major problems in such remote microgrid due to intermittent nature of renewable resources like wind and solar PV. The …
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Active Power Decoupling (APD) Converter for PV Microinverter Applications
… energy is continuously growing. Photovoltaic (PV) power and its integration into the utility grid are gaining increasing traction. To lower the levelized cost of energy (LCOE) of PV systems, enhance the adoption of PV applications, and ensure the delivery of high-quality power to the utility …
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System analysis of a PV/T hybrid solar window
A building-integrated multifunctional PV/T solar window was suggested and developed by Andreas Fieber. The solar window is constructed of PV cells laminated on solar absorbers placed in a window behind the glazing. To reduce the costs of solar electricity, tiltable reflectors have been introduced …
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Application of PV Panels in Large Multi-Story Buildings
Application of PV Panels in Large Multi-Story Buildings Feasibility Study Sara Kayal The awareness of global warming along with an ever increasing demand for a new source of energy has brought a strong interest in harnessing natural resources such as solar energy. This thesis evaluates the …
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Control and operation of SMES and SMES/PV systems
… compensation for fluctuations in photovoltaic (PV) power generation are the primary applications discussed. It is demonstrated that a SMES system implemented with standard AC/DC converters offers energy storage capacity large enough, and dynamic response fast enough, to compensate for PV …
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A Coordinated Voltage Management Method Utilizing Battery Energy Storage Systems and Smart PV Inverters in Distribution Networks with High PV and Wind Penetrations
… generation (DG), such as solar photovoltaic (PV) systems and wind, become part of their structure. Unlike conventional distribution systems, where the only unpredictable aspect is the load level, the intermittent nature of DG poses additional uncertainty levels for distribution system …
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Performance evaluation of Photovoltaic (PV) modules under different deployment conditions
… performance of solar modules, comprising various PV technologies, subject to different climatic conditions. The assessed PV technologies comprises of commercially available technologies and included Cadmium Telluride (CdTe), Copper Indium diSelenide (CIS), amorphous silicon (a-Si)and …
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Stand-alone solar-pv hydrogen energy systems incorporating reverse osmosis
The world’s increasing energy demand means the rate at which fossil fuels are consumed has increased resulting in greater carbon dioxide emissions. For many small (marginalised) or coastal communities, access to potable water is limited alongside good availability of renewable energy sources (solar …
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Investigation of a Novel MPCM-S Based PV/T System
… research is aimed to rise the efficiency of the PV/T system. This research investigates the usage of microencapsulated phase change slurry (MPCM-S) to replace conventional cooling fluids such as water. The phase change materials (PCMs) are encapsulated in a polymer shell forming microencapsulated …
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