NDLI: Inductor Geometry With Improved Energy Density

Content Provider	IEEE Xplore Digital Library
Author	Han Cui Ngo, K.D.T. Moss, J. Lim, M.H.F. Rey, E.
Copyright Year	1986
Abstract	The “constant-flux” concept is leveraged to achieve high magnetic-energy density, leading to inductor geometries with height significantly lower than that of conventional products. Techniques to shape the core and to distribute the winding turns to shape a desirable field profile are described for the two basic classes of magnetic geometries: those with the winding enclosed by the core and those with the core enclosed by the winding. A relatively constant flux distribution is advantageous not only from the density standpoint, but also from the thermal standpoint via the reduction of hot spots, and from the reliability standpoint via the suppression of flux crowding. In this journal paper on a constant-flux inductor (CFI) with enclosed winding, the foci are operating principle, dc analysis, and basic design procedure. Prototype cores and windings were routed from powder-iron disks and copper sheets, respectively. The design of CFI was validated by the assembled inductor prototype.
Sponsorship	IEEE Power Electronics Society
Starting Page	5446
Ending Page	5453
Page Count	8
File Size	964804
File Format	PDF
ISSN	08858993
Volume Number	29
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Windings Inductors Magnetic cores Resistance Inductance Permeability Magnetic flux uniform flux distribution Constant-flux high energy density inductor low profile
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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