A novel winding structure in planar inductors to decrease overall capacitive couplings

Shahabi Ghahfarokhi, N., Boora, A.A., Zare, F., & Ghosh, A. (2012) A novel winding structure in planar inductors to decrease overall capacitive couplings. Australian Journal of Electrical and Electronics Engineering, 9(3), pp. 335-344.

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This paper analyses effects of winding structure on capacitive coupling reduction appearing in the planar magnetic elements at high frequencies. Capacitive coupling appears between the conductive layers of the planar transformers resulting in high current spikes and consequently high power dissipation. With finite element analysis, the equivalent capacitive coupling of magnetic elements is calculated for different structures of planar windings. Finally, a new winding structure with minimum capacitive coupling is introduced for the planar magnetic elements, which is verified by simulation and experiments.

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ID Code: 57947
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: Planar magnetic element, Equivalent capacitive coupling, High Frequency, Modelling
ISSN: 1448-837X
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Power and Energy Systems Engineering (excl. Renewable Power) (090607)
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 Institution of Engineers Australia.
Deposited On: 07 Mar 2013 23:04
Last Modified: 19 Jul 2013 04:29

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