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 12 of 12 for “"Grid-following"”.
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Reinforcement Learning for the Cybersecurity of Grid-Forming and Grid-Following Inverters
… installed inverter-based resources (IBR) in the grid, introducing new challenges in IBR control and cybersecurity. IBRs receive their set point through the communication link, which may expose them to cyber threats. Previous work has developed various techniques to detect and mitigate …
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Impact of Grid-Following and Grid-Forming DERs on Resilient Operation of Holonic Grid
… impact the resilience operation of a holonic grid. The holonic grid consists of two or more connected microgrids and /or provisional microgrids (PMGs). The type of the DER, i.e., grid-forming or grid-following, affects the operations of the holonic grid, particularly during the islanded mode. …
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COMMON MODE VOLTAGE ELIMINATION IN THREE-PHASE FOUR-LEG INVERTERS UTILIZING PULSE DENSITY MODULATION
… these passive devices in three-phase, four-leg grid-following inverters by eliminating CM EMI using pulse density modulation (PDM) in conjunction with model predictive control (MPC) and delta modulation. A physics-based model of the equipment under test (EUT), utilizing state-space modeling, was …
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Toward Intelligent Power Systems: 5G-Enabled Hybrid Control of Distributed Energy Resources in Microgrids and Virtual Power Plants
… of a hybrid control framework for Micro-Grids (MGs) and Virtual Power Plants (VPPs), leveraging 5G cellular networks for real-time supervisory communication. The research fo-cuses on the coordinated operation of Grid Forming Inverter (GFMI) and Grid Following Inverters (GFLIs), enabling …
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Optimal Control for a Two Player Dynamic Pursuit Evasion Game; The Herding Problem
… the evader to a certain location on the x-y grid. The dissertation deals with this problem using two different methodologies. In the first, the problem is introduced in the continuous-time, continuous-space domain. The continuous time model of the problem is proposed, analyzed and we came up …
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Grid application meta-repository system
… forms of distributed computing technology, Grid brings together different scientific communities that are able to deploy, access, and run complex applications with the help of the enormous computational and storage power offered by the Grid infrastructure. However as the number of Grid …
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Facilitating seamless transitions in flexible microgrids: A unified control systems framework for enabling multi-mode inverters
… of renewable energy sources into the power grid offers both opportunities and challenges for grid performance, stability, and reliability. Inverter-based microgrids offer a promising solution for the large-scale integration of renewable resources, which often come with a high degree of …
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Risk Assessment and Optimal Response Strategies for Resilience of Electric Power Infrastructure to Extreme Weather
… rates resulting from damage to the electrical grid following Hurricane Michael. Thirdly, we develop a computational approach for optimal resource allocation and multi-step response operations. Using a two-stage stochastic mixed-integer formulation, we model the strategic deployment of …
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Transmission grid strength analysis and operation of inverter-based microgrids
… system strength and operation of microgrids with inverter-interfaced resources. The strength of the transmission grid with large wind farms is investigated based on the voltage phase angle stability. A novel approach for evaluating the strength of low-inertia systems that only relies on …
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Modeling and Implementation of the U.S. Hydrogen Production Tax Credit
… might divert clean electricity away from the grid. Following the passage of the IRA, there has been a vigorous debate focusing primarily on the time-matching requirements — that is, the period over which electricity use must match production from contracted generators — for grid-connected H2 …
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Control and operation of HVDC connected offshore windfarm with particular emphasis on faults and black start
… different, especially during offshore grid disturbances. Thus, to ensure a secure and reliable power transmission, this thesis investigates the different fault characteristics of HVDC connected offshore windfarm systems and proposes several fault rides through control and system …
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Self adapting smart electrical grid
Following the invention of electricity the electrical grid system was one of the biggest achievements of the twentieth century. It has been responsible for delivering power to millions of homes and businesses. As the demand for power increases due to the continued modernization of our society the …