NDLI: Simulation and analysis of high-frequency low-profile inductors

Content Provider	IEEE Xplore Digital Library
Author	Hu, Y.Q. Cheng, K.W. He, D.H. Mo, W.K.
Copyright Year	1996
Description	Author affiliation: Nat. Synchrotron Radiat. Lab., Univ. of Sci. & Technol. of China, Hefei, China (Hu, Y.Q.)
Abstract	The relationship between the power loss, winding and core geometries of the high-frequency low-profile (HFLP) inductor is investigated with the aid of finite element method. The simulation results have shown that a magnetic core with lumped air gaps can cause excessive loss in the windings, and the core loss depends on the air gap size and the high frequency characteristics of the magnetic material. The geometry of the winding is a significant factor to determine the total AC loss. The optimal thickness of the inductor winding is determined by the length and distribution of air gaps. The multi-layer winding arrangement is believed to be the most promising solution to reduce the power loss and leakage field. The finite element analysis also indicates that the total loss in the inductor with square-wave current excitation is over double that with sinusoidal excitation. Practical design rules are given along with the simulations.
Starting Page	1377
Ending Page	1383
File Size	675413
Page Count	7
File Format	PDF
ISBN	0780335449
ISSN	01972618
DOI	10.1109/IAS.1996.559245
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-10-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Geometry Analytical models Magnetic cores Air gaps Core loss Frequency Magnetic materials Magnetic analysis Finite element methods Inductors
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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