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 11 of 11 for “"smart inverters"”.
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Smart inverters for seamless voltage and frequency dynamics in microgrids
… are presented to turn the conventional inverters implemented in distributed generation (DG) units into smart inverters capable of dealing with disturbances. In the context of microgrids, the smartness of an inverter is tied to its ability to cope with abnormalities such as sudden load …
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Designing Reactive Power Control Rules for Smart Inverters using Machine Learning
… However, with the revised IEEE 1547 standard, smart inverters can actively control their reactive power injection to minimize voltage deviations and power losses in the grid. Reactive power control and globally optimal inverter coordination in real-time is computationally and communication-wise …
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Transmission system overvoltage mitigation through the use of distributed generation (DG) smart inverters
… violations using distributed generation (DG) smart inverters connected to the electric distribution system. Overvoltage violations are situations when the system exhibits voltage levels outside of the acceptable range set by the American National Standards Institute (ANSI) of 105% of nominal …
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Control Design for a Microgrid in Normal and Resiliency Modes of a Distribution System
… the grid during a large disturbance, but now smart inverters are required to have dynamically controlled functions that allows them to remain connected to the grid. Monitoring power flow at the point of common coupling is one of the many functions the controller should perform. Smart inverters …
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Voltage Regulation of Smart Grids using Machine Learning Tools
Smart inverters have been considered the primary fast solution for voltage regulation in power distribution systems. Optimizing the coordination between inverters can be computationally challenging. Reactive power control using fixed local rules have been shown to be subpar. Here, nonlinear …
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Data-Driven Voltage Control of DERs Integrated Distribution Grids Using Deep Reinforcement Learning
… legacy reactive power resources or newly added inverters to regulate the voltage of distribution networks. VVC methods regulate the voltage by exploiting the reactive power absorption/injection capabilities of capacitor banks, and smart inverters. Although existing classical VVC control/ …
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Voltage Regulation for Distribution Networks with Smart Photovoltaic Inverters
… 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. Particularly, the smart PV inverters with sensing, communicating and computing capabilities are able to …
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Machine Learning and Quantum Computing for Optimization Problems in Power Systems
… distributed energy resources, renewable energy, smart inverters, batteries, etc, that increase the number of decision variables involved. Moreover, the technologies entail faster dynamics and unpredictability, further demanding a solution speedup. Yet another concern is the growing communication …
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Use of Battery Systems for VAR Support in Con Edison’s Distribution Network/Substation
… This research will investigate the use of smart inverters to provide VAR support, assess the impact it has on the lifetime of a BESS and determine how the adverse effects (if any) can be mitigated/eliminated. To achieved this, a 7.5MW/30MWh grid connected BESS located at Con Edison …
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Overcoming Voltage Issues Associated with Integration of Photovoltaic Resources in the Electric Grid
… voltage control configurations is investigated. Inverters connect renewable energy resources to the power grid and they may use different control strategies to control voltage. Different control strategies are also compared with the current practice to investigate voltage control performance …
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Load Learning and Topology Optimization for Power Networks
… and energy storage units are interfaced via inverters with advanced sensing and actuation capabilities. In this context, we first put forth the idea of engaging power electronics to probe an electric grid and record its voltage response at actuated and metered buses to infer non-metered …