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
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.
Journal ArticleDOI
Cost-constrained selection of strand diameter and number in a litz-wire transformer winding
TL;DR: In this article, the relationship between wire size, normalized cost, and normalized loss is shown to have a general form that applies to a wide range of designs, and a practical design procedure is provided, applied to an example design, it leads to less than half the original loss at lower than the original cost, or, alternatively, under one fifth the original costs with the same loss as the original design.
Journal ArticleDOI
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.
References
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Dissipation and ringing of CRT deflection coils
TL;DR: A submitted manuscript is the version of the article upon submission and before peer-review as discussed by the authors, while a published version is the final layout of the paper including the volume, issue and page numbers.
Journal ArticleDOI
A Power Loss Measurement Technique for Inductive Power Transfer Magnetic Couplers
TL;DR: In this paper, the authors proposed a new experimental method, termed the stepped resonant excitation (SRE) method that can accurately predict the power losses in magnetic couplers operated under practical conditions.
Journal ArticleDOI
Synthesis and Characterization of CoFe2O4 & NiFe2O4 Magnetic Nanoparticles for Various Biomedical Applications: Cell Viability and Cell Death Evaluations
TL;DR: In this paper, the synthesis and characterization studies of amine functionalized CoFe2O4 and NiFe 2O4 nanoparticles (NPs) were performed by refluxing metal chloride precursors in ethylene glycol in presence of sodium acetate and ethanolamine.
Proceedings ArticleDOI
Estimation of transformer parameters and loss analysis for high voltage capacitor charging application
TL;DR: In this paper, a 24 V to 2.5 kV bi-directional flyback converter has been implemented and the same has been used for loss calculation, including switching loss, conduction loss, gate drive loss, transformer core loss and snubber loss.
Journal ArticleDOI
Improved Characterization of the Magnetic Properties of Hexagonally Packed Wires
TL;DR: In this paper, the authors proposed a method to derive a global property like an equivalent permeability to characterize the macroscopic magnetic behavior, which can be used to avoid discretization of a great number of tiny strands.