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Khai D. T. Ngo

Researcher at Virginia Tech

Publications -  329
Citations -  7607

Khai D. T. Ngo is an academic researcher from Virginia Tech. The author has contributed to research in topics: Inductor & Power module. The author has an hindex of 38, co-authored 315 publications receiving 6526 citations. Previous affiliations of Khai D. T. Ngo include University of Florida & Toyota Motor Engineering & Manufacturing North America.

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Attenuation of Stray Magnetic Field in Inductive Power Transfer by Controlling Phases of Windings’ Currents

TL;DR: In this paper, the relationship between magnetic field and windings' currents is analyzed according to the diagrams of phasors and the effect of field attenuation with this method was verified in both simulation and experiment, for the IPT system with series-series compensation.
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A Theory to Synthesize Nonisolated DC–DC Converters Using Flux Balance Principle

TL;DR: In this paper, the fundamental flux balance equation across the inductors of a converter is used as a starting point in this synthesis process, and the coefficients of these linear equations can be selected from a finite set of choices.
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Efficient simulation of coupled circuit-field problems: generalized Falk method

TL;DR: The proposed generalized Falk (GF) method offers an extremely simple and convenient way to solve coupled circuit-field problems in circuit simulators by transforming the discretized governing-field equations into guaranteed stable-and-passive one-dimensional equivalent-circuit systems, which are then combined with the circuit part of the overall coupled problem.
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Ferrite Paste Cured With Ultraviolet Light for Additive Manufacturing of Magnetic Components for Power Electronics

TL;DR: In this article, a ferrite paste was developed that is cured upon ultraviolet (UV) illumination to improve the magnetic properties of the extrusion-based additive manufacturing (AM) platform.
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A behavioral model for frequency-dependent hysteresis in power ferrites

TL;DR: In this article, the authors present a methodology for modeling hysteresis in bulk manganese-zinc (MnZn) power ferrites, over the practical ranges of amplitude and frequency, at room temperature.