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 25 for “"grid reliability"”.
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Enhancing Grid Reliability With Phasor Measurement Units
… level of renewable energy resources in power grids. The New York State has set the goal to achieve 70% renewable generations by 2030, and realize carbon neutrality by 2040 eventually. However, the increased level of uncertainty brought about by renewables makes it more challenging to maintain …
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Data-Driven Approaches for Enhancing Power Grid Reliability
… approaches in addressing key operational and reliability issues in power systems. The first part of this thesis addresses a prevalent problem in power distribution networks: the accurate identification of load phases. This study develops a data-driven model leveraging consumption measurements …
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Implementation and lessons learned from the Texas Synchrophasor Network
… power engineers have used simulations to predict grid stability and voltage phase angles. Only recently have equipment been available to actually measure phase angle at points hundreds of miles away. A few of these systems are presently operating in the US by electric grids including the Electric …
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Variability in output and reliability of broadly distributed wind farms and solar arrays as a function of the system scale
… in maintaining acceptable levels of electric grid reliability in broadly distributed wind and solar resources. This thesis presents a study on the geographic diversification of wind turbines and solar arrays to minimize the variance in the expected renewable output according to the mean …
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Onshore wind farm battery energy storage systems optimisation
… into onshore wind farms by improving efficiency, reliability, stability, and sustainability, thereby addressing significant challenges in renewable energy systems. Utilising advanced methodologies such as intelligent optimisation, hybrid forecasting models, and complex algorithms, the research …
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Development and evaluation of Nuclear-Renewable Hybrid Energy System simulator with load following
… of N-RHES, highlighting its potential to enhance grid reliability, reduce carbon emissions, and promote sustainable energy solutions. This work contributes to the field of energy systems engineering by providing innovative tools and methodologies for integrating and optimizing nuclear and …
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Laboratory-Scale Thermal Energy Grid Storage (TEGS) Prototype
Grid-scale long duration energy storage will be necessary to maintain grid reliability in the US and beyond as intermittent renewables become the dominant source of electricity generation. An appealing long duration energy storage technology is thermal energy storage due to its low energy-based …
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Technoeconomic analysis of perovskite photovoltaic manufacturing for powering telecommunications Towers
… PV that silicon cannot satisfy. Using HOMER microgrid simulation software, we determine that it is financially feasible to install vertical PV in countries with high diesel prices and low grid reliability, such as India.
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The Past as prologue : the value creation of batteries on the U.S. electric grid as a function of time and location
… order to reflect the contribution of storage to grid reliability during times of stress, we treat capacity market revenue as a function of output during given hours throughout the year; changing the identification of these hours - whether taken as some percent of top demand hours, or as …
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Improving the Reliability of Smart Distribution Grids Using Software-based Networking
Smart grid is a combination of technologies that emerged in response to the rapid changes in the way humans generate, transfer, distribute and use energy. The smart grid paradigm shifts the focus from bulk generation with centralised grid control to distributed electricity generation, energy …
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The Local Reference Electrification Model : comprehensive decision-making tool for the design of rural microgrids
… Technological advancements have pushed off-grid solutions into the limelight as possible alternatives to the traditional method of electrification via extension of the centralized grid. When grid reliability is poor, the community is remote, or when the arrival of the grid is undetermined, …
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A system impact analysis of government policies and regulations concerning demand response
… storage, electric vehicles and a "smart-grid" has been the driving force of a number of regulations and policies to promote a steady evolution of the existing & future infrastructure relating to the generation, transmission, distribution and retailing of electrical energy. Demand Response …
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Significance of battery energy storage systems in mitigating the challenges in weak grids
… a number of challenges, including weaker grids, low inertia, system congestion and voltage and frequency instability. This thesis investigates the role of battery energy storage systems in mitigating some of these challenges. Battery Energy Storage Systems (BESSs) have proved effective in …
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Modeling nuclear’s role in climate change: optimized pathways to net-zero emissions
… does not include renewables-only scenarios, grid reliability analysis, or a full life cycle or cost-benefit assessment, it offers a robust framework to explore policy-aligned transition pathways using integrated, constraint-aware modeling. Additionally, high-level considerations such as …
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Data-driven approach to calculating nodal net load forecasts in power systems analysis, A
The electric power grid is one of the largest and most complex systems ever built for the benefits of humanity. Most of the modern world relies heavily upon this system, and its unavailability may result in severe economic, safety, and security issues. Ensuring the electric power grid maintains an …
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Impact of Ice Storage on Electrical Energy Consumption in Large and Medium-sized Office Buildings in Different Climate Zones
… demand challenging energy system efficiency and grid reliability. Ice storage technology can help shift this peak cooling demand to off-peak periods. Ice storage reduces or even eliminates chiller operation during peak periods. The objective of the research is to analyze the chiller energy …
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Optimizing battery swapping stations for electric vehicles and power system integration
… BSS has a critical role in balancing power grids through ancillary services. This thesis presents a comprehensive framework for the optimization of BSS operation by focusing on three key aspects: scheduling of battery charging–discharging operations, optimal placement and sizing of BSS, and …
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Toward Systematic Integration of Inverter-Based Resources in Electricity Markets
… loads and setting a fixed power factor during grid commissioning. Modeling IBRs as negative loads excludes them from dispatch coordination in electricity markets, significantly limiting incentive for contribution to grid reliability and flexibility. Likewise, a fixed power factor prevents the …
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Algorithms and Performance Analysis for Synchrophasor and Grid State Estimation
… need to be addressed in order to guarantee smart grid reliability and availability. Synchrophasor measurement has gained an undisputed relevance in the research community working on power delivery issues for various reasons. Among them, state estimation (SE) of both transmission and distribution …
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Uncertainty Modeling of Wind Power Generation for Power System Planning and Stability Study
… energy resources are added to existing power grids. Among them, wind energy resources are becoming a major source of electricity generation. However, wind energy production has a critical downside: intermittency. The intermittent nature of wind energy in combination with the load demand …
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