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 10 of 10 for “"Power electronics converter"”.
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FPGA-based digital controller for dc-dc converter
… a FPGA-based digital controller for a DC-DC converter. The converter topologies chosen in this project is Non-Inverting Buck-Boost converter. The main difference from DSP-based solution is that FPGA allows simultaneous execution of all control procedures. The control algorithm has been …
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Design, implementation, and verification of a multipurpose, flexible, three-phase back-to-back voltage-source inverter
… 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 prototyping and verification of advanced control algorithms for grid-connected converters, motor drives etc. I …
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Estratégia de minimização de perdas para um gerador de indução duplamente alimentado
… consists in finding the optimum reactive power sharing between the rotor and stator circuits of the generator. As this work is motivated to reduce costs and improve system efficiency, this research is focused on variable speed generation systems using a doubly fed induction machine. In …
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Model, Design, and Control for Power Conversion in Wave Energy Converter System
… stage for grid connection. A wave energy converter (WEC) system that harvests energy through wave motion consists of a wave energy converter and a power take-off (PTO). A wave energy converter, usually a floating buoy, absorbs the hydrodynamic motion from wave and generates a mechanical …
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Design verification of power electronics systems subject to bounded uncertain inputs
… a new methodology for design verification of power electronics systems subject to bounded uncertain inputs. In this method, the power electronics system, which consists of the power electronics converter circuit and the associated controller, is described by a switched-linear state-space …
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Virtual Inertia Emulation to Improve Dynamic Frequency Stability of Low Inertia Microgrids
… the combination of an energy storage system, a power electronics converter and a proper control algorithm that improves the dynamic frequency stability of the microgrid. A virtual inertia supplies or absorbs the active power to and from the energy storage system to improve the dynamic frequency …
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Power System Frequency Control and Stability Analysis With Increasing Renewable Energy Penetration Level
… associated with the deteriorated performance of power system frequency regulation and potential grid frequency instability become more significant. In this dissertation, the inertial control algorithms are investigated and analyzed for power electronics converter in a renewable energy generation …
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Unlocking SiC MOSFET Switching Performance Through Packaging and Instrumentation
… electrified transport methods, the demands of power electronic converters and inverters continue to increase. A major component in any power electronics converter or inverter is the transistor. Advances in wide-bandgap semiconductors such as Gallium Nitride (GaN) and Silicon Carbide (SiC) are …
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DQ-Frame Small-Signal Stability Analysis of AC Systems with Single-Phase and Three-Phase Converters
The widespread integration of power converters in applications such as microgrids and data centers has introduced significant stability challenges. This dissertation presents a novel approach to modeling and comprehensive stability analysis for both single-phase and three-phase converters, …
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Small-Signal Modeling and Stability Specification of a Hybrid Propulsion System for Aircrafts
… motor, housekeeping loads, and battery all with power electronics interface which form an onboard electrical system and analyzes the relationship between the impedance shape of each component and their physical design and control loop design. Based on the developed small-signal model of the …