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 36 for “"PV Generation"”.
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Performance of PV Generation Feedback Controllers: Power Factor versus Volt-VAR Control Strategies
The variable nature of photovoltaic (PV) generation can cause voltage fluctuations in power distribution systems. Feedback control can be used to minimize the voltage fluctuations. This thesis presents the results obtained from comparing the control performance of two types of PV generation …
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Impact of distributed generation of solar photovoltaic (PV) generation on the Massachusetts transmission system
… direct current (MW dc) of solar photovoltaic (PV) generation installed in Massachusetts (MA) in 2013, four years ahead of schedule, Governor Deval Patrick in May of 2013 announced an increase in the MA solar PV goal to 1,600 MW by 2020 ([13]). However, integration of such significant quantities …
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Impact of high penetration of PV generation on power system transient stability and fault current; modeling for real-time studies
… 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 challenges of replacing synchronous machines and their …
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Development and Deployment of Renewable and Sustainable Energy Technologies
Solar and wind generation are one of the most rapidly growing renewable energy sources, and is regarded as an appealing alternative to conventional power generated from fossil fuel. This is leading to significant levels of distributed renewable generation being installed on distribution circuits. …
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Analysis of Solar Community Energy Storage for Supporting Hawaii's 100% Renewable Energy Goals
<p>Solar PV generation has become an integral part of the renewable energy industry. With state-level, renewable portfolio standards in place, solar power demand has substantially increased and become a competitive and economically viable energy solution throughout the world. Hawaii has one of the …
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A Real-time Management of Distribution Voltage Fluctuations due to High Solar Photovoltaic (PV) Penetrations
… rapid growth of grid-tied solar photovoltaic (PV) systems in the generation mix, the distribution grid will face complex operational challenges. High PV penetration can create overvoltages and voltage fluctuations in the network, which are major concerns for the grid operator. Traditional …
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A power sharing based approach for optimizing photovoltaic generation in autonomous microgrids
… for the optimization of available photovoltaic generation in an autonomous microgrid. The deepening penetration of rooftop solar panels motivates our case study of a microgrid with photovoltaic (PV) generators and microturbines. Building upon centralized generation concepts such as droop …
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Integration of distributed small-scale photovoltaic and energy storage systems in power networks
… of distributed small-scale photovoltaic (PV) systems during the last decade has led to large installed capacities of grid-connected variable renewable energy in distribution networks. This trend is set to continue due to a combination of factors, such as the decreasing cost of technology …
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An analysis of the photovoltaic value chain for reviewing solar energy policy in Massachusetts
We explore the photovoltaic value chain for 1st generation crystalline silicon, 2nd generation thin film and 3rd generation organic/ dye-sensitized PV in an effort to evaluate two levels of policy options intended to create new jobs and develop Massachusetts as a renewable energy hub. The primary …
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Importance of Detailed Modeling of Loads/PV Systems Connected to Secondary of Distribution Transformers
Residential solar Photovoltaic (PV) installations are increasing at a very high pace in the United States. In 2017 there are approximately one million residential solar PV installations in the US. A significant share of these installations are downstream of distribution transformers and thus …
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Size Optimization of Utility-Scale Solar PV System Considering Reliability Evaluation
… approach for utility-scale solar photovoltaic (PV) systems is proposed. The purpose of the method is to determine the optimal solar energy generation capacity and optimal location by the minimizing total system cost subject to the constraint that the system reliability requirements. Due to the …
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Voltage Regulation for Distribution Networks with Smart Photovoltaic Inverters
… when the high penetration of photovoltaic (PV) generation introduces rapid and frequent voltage fluctuations to the distribution networks. The PV inverters which are able to provide fast and flexible reactive power compensation are thus encouraged to participate in the voltage regulation. …
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Analysis of Blockchain-based Smart Contracts for Peer-to-Peer Solar Electricity Transactive Markets
… of a 100-home microgrid at various photovoltaic (PV) penetration levels are presented using typical residential load and PV generation profiles in the metropolitan Washington, D.C. area. Results indicate that regardless of PV penetration levels and employed bidding strategies, discriminatory k-DA …
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Studying the Impact of Solar Photovoltaic on Transient Stability of Power Systems using Direct Methods
… penetration of inverter based renewable generation in the form of solar photo-voltaic (PV) or wind has introduced numerous operational challenges and uncertainties. Among these challenges, one of the major ones is the impact on the transient stability of the grid. On the other hand, the …
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Impact of solar photovoltaics on the system stability of the Zambia national grid
… fuels to renewable energy for electricity generation remains a highly debated issue especially in developing countries. The major argument is that large-scale implementation of renewable energy poses significant challenges to legacy power systems due to temporal fluctuations, geographical …
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Impact of solar photovoltaics on the system stability of the Zambia national grid
… fuels to renewable energy for electricity generation remains a highly debated issue especially in developing countries. The major argument is that large-scale implementation of renewable energy poses significant challenges to legacy power systems due to temporal fluctuations, geographical …
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Irradiance forecasting and dispatching central station photovoltaic power plants
… 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 override any value …
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Assessing Broadband and Spectral Irradiance Variability for Solar Nowcasting Using Statistical Analysis and Machine Learning
Solar photovoltaic (PV) resources are a key enabling technology in the global energy transition towards a more sustainable future. However, PV generation is highly variable due to the dynamic shading caused by clouds. To mitigate the effects of PV variability on electrical grid stability, grid …
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Experimental Verification and Integration of a Next Generation Smart Power Management System
… The Smart Green Power Node (SGPN) is a next generation energy management system that automates on-site energy production, storage, consumption, and grid usage to yield the most savings for both the utility and the consumer. Such a system automatically manages on-site distributed generation …
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Impact of Photovoltaic System Penetration on the Operation of Voltage Regulator Equipment
<p>The growing popularity of photovoltaic (PV) generation systems leads to an increase in the number of residential and commercial grid-tied PV systems that interconnect to the distribution circuit. This affects the characteristics of the distribution circuit; for example, the assumption that the …
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