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 44 for “"Photovoltaic power"”.
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An Investigation of Photovoltaic Power Optimization
… direct conversion on systems that employ photovoltaic (PV) power as an input source. These techniques exhibit dramatic reductions in circuit complexity and power dissipation compared to traditional pure sine-wave inverters. However, designing multilevel DC-to-AC inverter-less systems with …
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Irradiance forecasting and dispatching central station photovoltaic power plants
… a new operational tool for integrating a photovoltaic (PV) system into the utility's generation mix. It is recognized at the outset, that much of the existing research concentrated on the central PV system and its operations have concluded that technical problems in PV operation will …
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MODELING, EXPERIMENTAL ANALYSIS AND OPTIMIZATION OF FLOATING PHOTOVOLTAIC POWER PLANTS
L'obiettivo di questa tesi è esplorare sistemi innovativi e configurazioni di impianti FPV, in grado di aumentare l'efficienza e ridurre l'LCOE. Nell'ambito dello studio dell'integrazione dei sistemi FPV nei bacini idrici, sono stati sviluppati modelli numerici che consentono di stimare il tasso …
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Spatially Diverse Photovoltaic Power Plants for Reduced Power and Voltage Fluctuation Using Weather Forecast
… are the key features encouraging installation of photovoltaic power plants. However, the output power from a photovoltaic power plant is highly variable in nature. Several studies have shown that combining spatially diverse PV power plants can smooth out the total PV power output and reduce …
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Analysis of tolerable capacity limits of intermittent photovoltaic power connected to the Namibian national electricity grid
Grid-connected photovoltaic (PV) systems are being utilized at an increasing level worldwide. Even though the increasing addition of intermittent PV power to the grid systems may lead to grid instability, PV systems feeding power into the Namibian electricity grid system are on the increase. The …
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New and improved solutions for the configuration, management and operation of large-scale photovoltaic power plants using hybrid energy storage system
… this study is based on the main disadvantages of photovoltaic (PV) solar power generation compared to conventional energy sources, such as intermittency, non-dispatchability, and unreliability. From those drawbacks, the aim is to find creative solutions to mitigate these issues with a power plant …
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Nanocrystal Synthesis and Thin Film Formation for Earth Abundant Photovoltaics
… elements represents a scalable and sustainable photovoltaic technology with the potential to meet the global demand for electricity. Solar cells with Cu2ZnSn(S,Se)¬4¬ (CZTSSe) absorber layers are of particular interest due to the high absorption coefficient of CZTSSe, its band gap in the ideal …
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Investigating the effect of solar modelling using different solar irradiation data sets/sources within South Africa
… deals with the modelling of an off grid photovoltaic power supply system using three different sources of solar irradiation data for two specific geographical locations within South Africa. The paper then goes on to investigate the financial implications in terms of using free solar …
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Decarbonizing the Indian power sector by 2037 : evaluating different pathways that meet long-term emissions targets
… to reduce carbon emissions intensity in the power sector through incentivizing the addition of renewables sources into the grid. India has set the goal that at least 40% of total power capacity must be non-fossil fuel-based by 2030 with more ambitious goals expected to be set for 2040 and …
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Power management of series connected photovoltaic sub-modules using the element-to-virtual bus differential power processing architecture
State-of-the-art solutions to photovoltaic power management track the maximum power of a solar installation at the cost of processing 100% of this generated power. Differential power processing (DPP) has demonstrated maximum power point tracking (MPPT) of a photovoltaic system by processing a small …
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Comparative analysis of surface power system architectures for human Mars exploration
… provides a comprehensive analysis of surface power generation and energy storage architectures for human Mars surface missions, including tracking and non-tracking photovoltaic power generation, nuclear fission power, dynamic radioisotope power generation, and battery and regenerative fuel …
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Power processing and active protection for photovoltaic energy extraction
Solar photovoltaic power generation is a promising clean and renewable energy technology that can draw upon the planet's most abundant power source - the sun. However, relatively high levelized cost of energy (LCOE), the ratio of the total cost of ownership to the total energy extracted over the …
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Rural electrification in Ghana: issues of photovoltaic energy technology utilisation
Energy plays a pivotal role in human development. Not only is it sine qua non for national economic development, but it also provides services that enhance social development including, health and sanitation, education, potable water, cooking. In spite of this, at present, there are about two …
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Design, development, and field-testing of a cost-optimized village-scale, photovoltaic-powered, electrodialysis reversal water desalination system for rural India
… identify the effectiveness of cost-optimizing a photovoltaic-powered electrodialysis reversal (PV-EDR) system for village-scale applications in rural India based on current component costs and performance. Currently available village-scale off-grid desalination systems have high capital costs - …
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Modular multilevel converters for solar photovoltaic - battery energy storage system integration
… distributed PV systems using distributed maximum power point tracking across the MMC submodules (SM) hence, addressing the partial shading challenge. To address PV power fluctuation due to intermittency, a novel solution to interconnect PV-BESS to the power grid through full-bridge submodule MMC …
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Impact of high penetration of PV generation on power system transient stability and fault current; modeling for real-time studies
The electric power system is currently experiencing a period of unprecedented changes in the technology of generation. Environmental and sustainability concerns led to replacement of a significant share of conventional thermal generation with renewable energy resources. This shift has raised major …
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