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 48 for “"grid-tied"”.
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Dynamic Aggregation of Grid-tied Inverters
… of inverters. Typical dynamical models for grid-tied inverters are nonlinear and composed of a large number of states; therefore it is impractical to study systems with many inverters when their full dynamics are retained. To address this issue, a reduced-order aggregated model for …
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Innovative Control Algorithms for Grid-Tied Inverters
L'abstract è presente nell'allegato / the abstract is in the attachment
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Highly Efficient Gan-Based Single-Phase Transformer-Less Pv Grid-Tied Inverter
… needs to be improved is the power converter. Grid-tied transformer-less inverters have gained a lot of interest in recent years because of their higher efficiency, reduced volume and lower cost compared to traditional line transformer inverters.</p> <p>This dissertation discusses single-phase …
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Monitoring and Data-Logging for Stand-Alone and Grid-Tied Photovoltaic Systems
… and data-logging tools for stand-alone and grid-tied photovoltaic systems. The first part of this report describes the research, testing, and installation of a monitoring system for a stand-alone photovoltaic system created by students of California Polytechnic State University at San Luis …
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Modeling and Analysis of a PV Grid-Tied Smart Inverter's Support Functions
… at their origin and in addition provide the grid with ancillary support services. The design, modeling, and analysis of a grid-tied PV system was performed in the PSCAD software simulation environment. Results indicate that in the presence of grid disturbances the smart inverter can react …
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Design of a grid-tied inverter and LCL filter for photovoltaic application
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms
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High Efficiency Single-stage Grid-tied PV Inverter for Renewable Energy System
A single-phase grid connected transformerless photovoltaic (PV) inverter for residential application is presented. The inverter is derived from a boost cascaded with buck converter along with a line frequency unfolding circuit. Due to its novel operating modes, high efficiency can be achieved …
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Optimization of Small Grid-tied and Off-grid PV Systems with Energy Management
<p>Global environmental concerns, rising grid electricity cost and the increasing need for energy have opened new opportunities for the integration of photovoltaics (PV) into the grid. As a result there is need to better understand how to optimize grid tied PV systems in no-net metering situations …
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Design of a single-phase grid tied inverter optimized for reactive power support
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms
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Resonant-type architectures for active power decoupling in grid-tied single-phase power electronics
In single-phase power converters, twice-line frequency power decoupling circuits are used to buffer the instantaneous energy difference between the AC and DC sides of the converter. Active buffer implementations are used to reduce the volume and potentially improve the reliability of the converter …
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Applications of Power Electronic Converter Based Wideband System Identification in Grid Tied AC Power Systems
… systems and monitoring and control of micro-grid tied converters is presented.</p>
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Optimal energy management for a grid-tied solar PV-battery microgrid: A reinforcement learning approach
… into the atmosphere and deployment of advanced grid technologies, has spurred the penetration of renewable energy resources (RERs) at different locations and scales in the power grid. As a result, the energy system is moving away from the centralized paradigm of large, controllable power plants …
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Reinforcement learning for power scheduling in a grid-tied pv-battery electric vehicles charging station
Grid-tied renewable energy sources (RES) based electric vehicle (EV) charging stations are an example of a distributed generator behind the meter system (DGBMS) which characterizes most modern power infrastructure. To perform power scheduling in such a DGBMS, stochastic variables such as load …
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Next Generation Grid-Tied Inverters with Virtual Synchronous Machine Features for Grid Services and Grid Support
L'abstract è presente nell'allegato / the abstract is in the attachment
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Modeling, monitoring and techno-economic optimization of battery-based energy storage systems in grid-tied applications including online parameter estimation
Uno de los puntos clave en la actual transición energética es el aumento de ratio de generación proveniente de energías renovables en el sistema eléctrico. La naturaleza intermitente de la mayor parte de fuentes de generación renovable conlleva a nuevos desafíos para el sistema, que incluyen una …
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Development of a converter for grid-tied and isolated operation of an interior permanent magnet synchronous generator, coupled to a twin-shaft gas turbine
… load. This control structure also allows the grid-side converter to employ reactive power compensation, without having to regulate the DC-link voltage at the same time. In doing so, large grid currents are avoided. A recursive least squares (RLS) algorithm is used to separate negative and …
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Modeling and Control Design of a Bidirectional PWM Converter for Single-phase Energy Systems
… modes, including stand-alone inverter mode, grid-tied inverter mode, grid-tied rectifier mode and grid-tied charger/discharger mode. Under stand-alone mode operation, ac voltage regulation is of importance because of the sensitive loads. In this thesis, different multi-loop-based control …
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Virtual Synchronous Machine based Fuzzy V-F Control for VSC of Battery Storage System for Seamless Performance of Microgrid
… thesis presents seamless transition between the grid-connected and islanded mode of microgrid. The prominence of the seamless transition is to maintain the load voltage and frequency as well as constant power delivery during both the modes of operation of microgrid. In this thesis, voltage source …
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Stability Analysis of Three-Phase AC Power Systems Based on Measured D-Q Frame Impedances
… negative incremental resistance is discovered in grid-tied inverters as a consequence of grid synchronization and current injection, where the bandwidth of the phase-locked loop determines the frequency range of the negative incremental resistance behavior, and the power rating of inverter …
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Advanced control architectures for grid connected and standalone converter systems
… computational burden and stability in grid-connected and stand-alone based power electronic converter systems applicable for ac microgrids.</p><p>Two voltage sensorless control architectures, one for stand-alone applications and the other for grid-connected application are established …
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