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 91 for “"utility-scale"”.
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Economic feasibility of a utility-scale battery in Iceland
Utility-scale batteries are gaining popularity due to their decreasing costs and are becoming increasingly crucial for integrating renewable energy sources. Batteries offer unique opportunities to reduce electricity usage costs and generate profits by providing various services. This study explores …
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Utility Scale Solar Projects in California: An Initial Survey
… database for both concentrating and photovoltaic utility-scale solar power projects, those with a generation capacity of greater than 50 MW, hinders the ability of researchers and policy makers to examine the state of solar development in the state of California. This research project seeks to …
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Integrated Energy and Environmental Analysis of Utility-Scale Wind Power Production
… global climate change if deployed at sufficient scale. The objective of this study was to explore the sustainability implications of deploying wind at that scale. The Maple Ridge Wind Energy Facility was identified as the target for analysis. Emergy analysis was performed to explore the total …
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Size Optimization of Utility-Scale Solar PV System Considering Reliability Evaluation
In this work, a size optimization 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 …
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Smart management strategies of utility-scale energy storage systems in power networks
… strategies for optimal allocation and sizing of utility-scale ESSs to address some important issues of power networks at both distribution and transmission levels. The optimization strategies employed for ESS placement and sizing successfully improved the following aspects of power systems: …
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Degradation-Induced Mismatch Losses and Their Mitigation in Utility-Scale PV Systems
Employing maximum power point tracking (MPPT) in utility-scale photovoltaic (PV) power plants is essential to maximise energy harvesting from all PV modules. In conventional systems, a central MPPT (CMPPT) is typically used to track the global maximum power point (GMPP) of the PV array. However, …
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The management of a utility-scale battery storage system for renewable energy applications
… injected into a power system directly on a large scale, it may produce issues in power quality, reliability and stability. It is desirable to select a smoothing algorithm that would filter out the highest frequency intermittency, but would still be fast enough to avoid significant lag with respect …
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Spatiotemporal Performance Analysis to Identify Degradation Trends in a Utility-Scale PV Plant
The rise in energy and electricity demand, along with the rapid expansion of renewable energy sources, has increased the use of photovoltaic (PV) power plants for power generation. This growth of PV systems necessitates an understanding of their long-term performance, especially under local …
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Solar Energy Generation Forecasting and Power Output Optimization of Utility Scale Solar Field
<p>The optimization of photovoltaic (PV) power generation system requires an accurate system performance model capable of validating the PV system optimization design. Currently, many commercial PV system modeling programs are available, but those programs are not able to model PV systems on a …
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Stochastic simulation of power systems with integrated renewable and utility-scale storage resources
… a growing interest in the implementation of utility-scale energy storage resources (ESRs), with MWweek storage capability. Indeed, storage devices provide flexibility to facilitate the management of power system operations in the presence of uncertain, highly time-varying and intermittent …
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Federal giants and wind energy entrepreneurs: utility-scale windpower in America 1970-1990
… trends have prepared a fertile niche for utility-scale windpower. The introduction of "deregulatory," competitive principles onto the electric industry fostered a non-utility generating sector relying on unconventional technologies. Simultaneously, policy-makers using "hyper-regulatory" …
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The Potential for Repurposing Disturbed Mining Properties in Nevada as Utility-Scale Solar Facilities
… of our energy sector have become commonplace. Utility-scale solar has received increased attention as a potential solution to these problems, and is being encouraged in many parts of the desert west, including Nevada. However, questions remain about the best placement for these new energy …
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Load Flow Study for Utility-Scale Wind Farm Economic Operation and Reactive Power Grid Compliance
… that can be successfully implemented at the utility-scale and provide clean energy to the grid. Wind energy consists of many distributed wind turbines that are paralleled and connected to inject power to one location on the transmission grid. There are real power losses and reactive power …
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Suitability modeling and the location of utility-scale solar power plants in the southwestern United States
As states and regions have begun prioritizing renewable energy at the legislative level, solar energy has started to play a noticeably larger role in the energy portfolio of certain regions in the United States. Decision making concerning the siting of new solar facilities can be complicated, and …
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Site location and techno-economic analysis of utility-scale concentrating solar power plants in South Africa
This dissertation comprises a two-part study concerned with the identification and quantification of potential Concentrating Solar Power (CSP) sites in South Africa; and the performance and cost modelling, optimisation and analysis of two CSP technologies in three locations. A further theme of the …
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The effect of dynamic operation and incoming flow on the wake of a utility-scale wind turbine
… is hindered by the wide range of relevant scales and the complexity of atmospheric flow and turbine operation. Because of these limitations, field scale studies are essential. Conventional field scale flow measurement techniques such as lidar and anemometers have limited spatio-temporal …
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Improvement of the Operating Efficiency and Initial Costs of a Utility-Scale Photovoltaic Array through Voltage Clamping
The utility-scale PV array systems must be designed to operate normally at maximum power point VMPP, but must also withstand the very high voltage level of open-circuit voltage VOC which seldom occur in reality operation, if they are shut down or otherwise power grid unable to receive the full …
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EVALUATION OF LAND, SOIL, WATER, AND VEGETATION-RELATED ECOSYSTEM SERVICES AND TRADEOFFS AT UTILITY-SCALE SOLAR PHOTOVOLTAIC FACILITIES
… are a low-emission electricity source, but utility-scale development of ground-mounted PV may displace natural or agricultural land and compromise the land’s ability to provide ecosystem services. Co-locating solar photovoltaics with vegetation (sometimes referred to as “agrivoltaics”) could …
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A Novel Inverter Based Resource Control Strategy to Facilitate Utility-Scale Renewable Integration and Retain Existing Transmission Protection Infrastructure
… thesis proposes a novel control strategy for utility-scale inverter-based resources designed to ensure proper operation of the existing transmission-line protection infrastructure. The fault response of an IBR depends on its control logic which varies between manufacturers, but typically will …
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