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 9 of 9 for “"Grid-connected Applications"”.
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Design, implementation, and verification of a multipurpose, flexible, three-phase back-to-back voltage-source inverter
… back-to- back voltage source inverter for grid connected applications. This inverter features extensive hardware protection, opto-isolation between the power stage and the controller, and reconfigurable I/O routing. The converter is designed for both research and teaching to enable rapid …
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Single-Stage Grid-Connected Multilevel Converters: Topologies and Control Strategies
… objectives for multilevel power converters in grid-connected applications have been elaborated. To address the identified requirements and challenges, a family of efficient multilevel converters with the single-stage dynamic voltage-boosting feature, reduced number of circuit components, …
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Enabling HF power conversion : magnetic components and a wide voltage range converter
… a wide range of voltages and powers (e.g. for grid-connected applications). Using appropriate magnetic materials and converter techniques like those presented here, power densities in certain applications can be improved by an order of magnitude by operating at HF.
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Design and control of resilient micro-inverter system
… unreliability and low product life spans for the connected inverters. These issues can hinder the future growth of the industry. The aim of this research was therefore to design a micro-inverter system with improved resiliency for grid connected applications. The thesis is broken into the Inverter …
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Design and control of photovoltaic systems in distributed generation
… of a photovoltaic system for stand-alone and grid-connected applications is accomplished. The stand-alone photovoltaic system is designed to improve the photovoltaic output power by using a new maximum power point tracking method. The proposed algorithm improves the hill climbing search method …
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Vector Based Control for Power Electronics Dominated AC Power Grid
The global trend towards electrifying the grid has positioned power electronics at the forefront of modern power systems. To control power electronics in grid-connected applications, Grid Forming (GFM) control has become a focal point of research. GFM control utilizes control laws derived from …
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Study of Current Optocoupler Techniques and Applications for Isolation of Sensing and Control Signals in DC-DC Converters
… property advantages. Another common problem in grid-connected applications is the need for high voltage-isolation of gate drivers and control circuitry while operating efficiently at the high switching frequencies, high power density, and high temperatures made possible by wide bandgap devices. …
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Space vector pulse-width modulation for multilevel inverters and solution to modulation dependent problems
… harmonics lead to several undesired effects on grid connected applications. This necessitates the need for synchronous PWM. The close loop control of synchronous PWM is complex especially during dynamics. The PWM for multilevel inverter is fairly complicated as compared to two-level inverter. …
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Circuits and Modulation Schemes to Achieve High Power-Density in SiC Grid-connected Converters
… to increase the power density of SiC-based grid-connected three-phase converters. Throughout this dissertation, the techniques and strategies to increase the power density of SiC three-phase converters were investigated. Firstly, a magnetic integration method was introduced for the coupled …