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Showing 1 to 20 of 225 for “"Power converters."”.
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Simulation of SiC MOSFET Power Converters
… in the design and implementation of various power converters (Push-pull inverter, Buck converter). Different parameters and scenarios were discussed and implemented for both silicon and silicon carbide MOSFET cases. A comparison between same circuits is done using silicon in the first case …
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Computer Synthesis of Switching Power Converters
A series of examples is presented to demonstrate the applicability of the techniques and models presented in this work.
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Nonlinear control of switching power converters
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1989.
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Characterizing and modeling methods for power converters
<p>“Stable power delivery is becoming increasingly important in modern electronic devices, especially in applications with stringent requirements of its form factor. With the evolution of technology, the switching frequency in a power converter is pushed to a higher frequency range, e.g., several …
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Digital Control Techniques for Switching Power Converters
Digital control methods for switching power converters offer greater robustness, more flexibility to changing operating characteristics, and better system performance than conventional techniques, which are often model-limited and only work well in a small range of conditions. Digital controllers …
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Fast Power Converters and Rapid Digital Design
… These new workflows are tested for sending power into the utility grid on the Grainger Center modular inverter.
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Small-signal analysis of parallel power converters
… and modelling approach is developed for parallel power converter modules. The small-signal model of parallel buck converter modules is developed in detail to demonstrate the modelling approach. It is shown that a multiple power converter module system can be reduced to an equivalent single-module …
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Power Converters for Piezoelectric and Pyroelectric Materials
… inter-conversions and proposes the design of power converters for these materials. Piezoelectric effect is a cross-coupling between mechanical property and electrical property of dielectrics. It is a reversible process where external electric potential can generate internal mechanical force …
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Behavioral EMI-Models of Switched Power Converters
… accurately capture the EMI behavior of switched power converters. These models are compact, linear, and run in frequency domain, enabling faster and more stable simulations compared to the detailed lumped circuit models. So far, the behavioral EMI modeling techniques are developed and applied to …
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Variable-Angle Modulation Techniques for Modular Power Converters
El trabajo desarrollado y que se presenta en este documento es el resultado de la investigación desarrollada como parte del grupo de electrónica de potencia en la Universidad de Sevilla durante los últimos tres años. Dicha investigación se enmarca en el campo de los convertidores de potencia …
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Analysis of soft charging switched capacitor power converters
Switch capacitor converters are a microcosm in the world of power converters and as such have received little attention in both research and application. There is a perception that they possess many undesirable operating characteristics, such as inefficiency, poor output regulation and tracking, …
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Stacked-Switched Electrolytic Capacitor-less AC/DC Power Converters
… the AC grid. Conventional single-phase AC/DC converters often depend on bulky electrolytic capacitors, diode bridges, and hard-switching circuits, leading to reduced reliability, increased losses, and limited power density. Additionally, the need for bidirectional energy flow—such as …
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Switching Power Converters - Advanced Design Methodologies and Control Techniques
L'abstract è presente nell'allegato / the abstract is in the attachment
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Observer based fault detection in DC-DC power converters
Power electronics today are limited in their operational lifetimes, which can have negative consequences for critical systems which depend on power electronic to stay functional. To help mitigate the effects of system failures due to power electronics, a fault detection filter has been implemented …
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High-performance power converters leveraging capacitor-based energy transfer
The increasing demand for high performance power conversion systems continuously pushes for improvement in efficiency and power density. This dissertation focuses on a topological effort to efficiently utilize the active and passive devices. In particular, a hybrid approach is adopted, where both …
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Design of miniaturized radio-frequency DC-DC power converters
Power electronics appear in nearly every piece of modern electronic hardware, forming an essential conduit from electrical source to load. Portable electronics, an area where a premium is placed on size, weight, and cost, are driving the development of power systems with greater density and better …
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Miniaturizing High Step-Down, High Output Current Power Converters
Power conversion systems providing high voltage step-down capability at high output current are required in many applications, such as data center servers, electric vehicle charging, and USB power delivery. Converter miniaturization is a critical but especially challenging design goal, and …
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Miniaturization of Ac-Dc power converters for grid interface
… computer applications. Also known as off-line power supplies, these converters have to meet various demanding specifications such as a wide input voltage range (typically 0-376 V), large voltage step down (typical output voltages range from 12-48 V), harmonic current limits and galvanic …
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Miniaturized, low-voltage power converters with fast dynamic response
… and regulation capability of switch-mode power converters. The resulting designs have a superior efficient-power density trade-off over traditional designs. These power converters can provide numerous lowvoltage outputs over a wide input voltage range with a very fast dynamic response, …
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A current-balancing control system for cellular power converters
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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