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.
Results
Showing 1 to 12 of 12 for “"Planar Magnetics"”.
-
Planar Magnetics Design For Low-voltage Dc-dc Converters
The objectives of this thesis are to design planar magnetic devices based on accurate electromagnetic analysis and miniaturize magnetics within desired low profile as well as small footprint. A novel methodology based on FEM simulation is proposed. By introducing Maxwell 2D simulator, optimal …
-
Thermal Design and Optimization for PCB Winding based High Frequency Planar Magnetics
… into the thermal design and optimization of Planar magnetics. With system engineering approach, starting from a two stage DC/DC converter, and further extended to other types of resonant converters with planar core. The study aims to address the thermal challenges associated with these …
-
Planar Magnetic Integration and Parasitic Effects for a 3 KW Bi-directional DC/DC Converter
… reducing the size and weight is to use the planar magnetics for possible integration with the power circuit and thus eliminating the associated interconnections. Planar magnetics uses the printed circuit board as the windings. This will allow the magnetic component to be implemented into the …
-
Merged multi-stage power conversion : a hybrid switched-capacitor/magnetics approach
… conversion through a hybrid switched-capacitor/magnetics approach. Multiple circuits and system aspects of this approach are investigated in this thesis. A 70 W grid-interfaced solar micro-inverter with a multilevel energy buffer and voltage modulator (MEB) is developed to demonstrate the …
-
Compact and efficient power electronics with applications to battery management systems
… achieved by using high frequency, GaN switches, planar magnetics, and active core resetting in a forward converter. This system was developed to be isolated and bi-directional so multiple active battery management system topologies could be used from the same design.
-
Planar transformer isolated DC-DC Converter for Solid-State Transformer
… traditional 50Hz transformer. In SST, the use of planar transformer on print circuit boards (PCB) working at tens to hundreds of kilohertz can provide isolation and save space. In this thesis, research activities to develop a planar transformer isolated DC/DC converter for solid-state transformer …
-
Design and Implementation of a Multiphase Buck Converter for Front End 48V-12V Intermediate Bus Converters
… be pushed higher, which will in turn shrink the magnetics, lowering the converter size, but increase the switching related losses, lowering the overall efficiency of the converter. Wide-bandgap semiconductor devices are becoming more popular in commercial products and gallium nitride (GaN) …
-
Investigation and Design of Integrated Magnetics in High-power High-frequency Soft-switching DC/DC Converters for Battery Charger Applications
… power density and efficiency using scalable magnetics building blocks (SMBs). It outlines the specific contributions made toward improving manufacturing processes and enhancing system performance. First, a dual channel flux analysis method is proposed to analyze the flux distribution in …
-
Modeling, Implementation, and Simulation of Two-Winding Plate Inductor
… high frequency, high power-density converters. Planar magnetics are widely used in bias power supplies for the benefits of low profile and their compatibility with printed-circuit boards (PCB). The coupled inductors with winding layers sandwiched between two core plates are studied in this …
-
Generalized Frequency Plane Model of Integrated Electromagnetic Power Passives
… structures, such as multi-layer capacitors, planar magnetics, etc..
-
Design and Integration Techniques for High-Frequency PCB-Based Magnetics in Resonant Converters
… the power density. The proposed integrated magnetics can be automated in the manufacturing process. The magnetic size is reduced at this frequency, and planar magnetics using PCB winding become more relevant. PCB magnetics feature multiple advantages over Litz wire. The benefits are …
-
PCB-Based Heterogeneous Integration of LLC Converters
… loss caused by the uneven flux distribution in planar magnetics, owing to the huge size and high-frequency operation of the core. These factors led to the observation of dimensional resonance within the core and an excessive amount of eddy current circulating within the core, which resulted in …