NDLI: Stray capacitance modeling of inductors by using the finite element method

Content Provider	IEEE Xplore Digital Library
Author	Yu, Q. Holmes, T.W.
Copyright Year	1999
Description	Author affiliation: Lucent Technol. Inc., Columbus, OH, USA (Yu, Q.)
Abstract	Stray capacitance modeling of an inductor is essential for its accurate equivalent circuit modeling. The stray capacitance determines the inductor's performance and upper frequency limit. In this paper, a method is proposed for modeling the distributed stray capacitance of inductors by the finite element method and a node-to-node lumped capacitance network. The effects of the wire insulation layer, ferrite core, the number of segments used to model the circumference of the wire cross section, the pitch and coil-to-core distances, and the capacitance between non-adjacent turns, etc., on the inductors' self-capacitance and calculation accuracy, have all been considered. The calculated equivalent lumped stray capacitance for a rod inductor with ferrite core is compared to that estimated from measurement. Good agreement between them has been observed.
Starting Page	305
Ending Page	310
File Size	583581
Page Count	6
File Format	PDF
ISBN	078035057X
DOI	10.1109/ISEMC.1999.812918
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-08-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inductors Finite element methods Parasitic capacitance Coils Equivalent circuits Radio frequency Wire Ferrites Capacitance measurement Equations
Content Type	Text
Resource Type	Article

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