Journal ArticleDOI
Soft FerritesߞProperties and Applications
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In this paper, the authors discuss the properties and applications of soft and hard ferrites and their applications in search-works, including the application of soft ferrite material from emc to rfid.Abstract:
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Citations
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Journal ArticleDOI
A Lithium-Ion Battery Balancing Circuit Based on Synchronous Rectification
TL;DR: The proposed equalizer can realize the module-to-multi-cell (M2MC) equalization under severe imbalance conditions to improve the balancing speed, and work at the any-cell- to-any- cell (AC2AC) self-balancing mode under slight imbalance conditions for improved the balancing efficiency and effectiveness.
Journal ArticleDOI
Effect of Ho3+substitution on the cation distribution, crystal structure and magnetocrystalline anisotropy of nanocrystalline cobalt ferrite
Lawrence Kumar,Manoranjan Kar +1 more
TL;DR: In this paper, a powder X-ray diffraction (XRD) method was employed by employing Rietveld refinement technique to study the crystal structure and phase purity of nanocrystalline cobalt ferrite materials.
Proceedings ArticleDOI
Optimal design and tradeoffs analysis for planar transformer in high power DC-DC converters
TL;DR: An improved interleaving structure with optimal behaviors is proposed in this paper, which constructs the top layer paralleling with the bottom layer and then in series with the other turns of the primary so that a lower magneto motive force (MMF) ratio m can be obtained as well as minimized AC resistance, leakage inductance and even stray capacitance.
Proceedings ArticleDOI
Comparison of Single-Layer and Multi-Layer Windings with Physical Constraints or Strong Harmonics
TL;DR: In this article, the authors compared single-layer and multi-layer transformer and inductor windings for power converter circuits and concluded that, for waveforms used in power electronics, multilayer windings have significant advantages even with only a few layers.
Journal ArticleDOI
An Interleaved, Reduced Component Count, Multi-Voltage Bus DC/DC Converter For Fuel Cell Powered Electric Vehicle Applications
Lixin Tang,Gui-Jia Su +1 more
TL;DR: In this paper, an interleaved, reduced component count dc/dc converter is proposed for power management in fuel cell powered vehicles with a multi-voltage electric net, based on a simplified topology and can handle more power with less ripple current.
References
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Computationally efficient winding loss calculation with multiple windings, arbitrary waveforms, and two-dimensional or three-dimensional field geometry
TL;DR: The squared-field-derivative method for calculating eddy-current (proximity effect) losses in round-wire or litz-wire transformer and inductor windings is derived in this paper.
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Experimental determination of stray capacitances in high frequency transformers
TL;DR: In this paper, the two-port network approach and the step-response approach are used for determining stray capacitances in a two-winding high frequency transformer for circuit simulation and computeraided design purposes.
Journal ArticleDOI
Measurements and performance factor comparisons of magnetic materials at high frequency
TL;DR: In this paper, the design of power magnetic components for operation at high frequency (HF, 3-30 MHz) has been hindered by a lack of magnetic material performance data and by the limited design theory in that frequency range.
Proceedings ArticleDOI
Core losses under DC bias condition based on Steinmetz parameters
TL;DR: In this paper, the Steinmetz premagnetization graph (SPG) is introduced to calculate core losses under DC bias conditions, and a detailed description of the test system is given, as high accuracy is crucial.