Computation of Intra- and Inter- Winding Capacitances in a High Frequency Coaxial Transformer with Faraday Shield

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Title Computation of Intra- and Inter- Winding Capacitances in a High Frequency Coaxial Transformer with Faraday Shield
Author Yang, Xiaoguang; Lu, Junwei; Dawson, Francis
Publication Title Proceedings of IEEE CEFC2008
Editor T. D. Tsiboukis,
Year Published 2008
Place of publication USA
Publisher IEEE
Abstract The placement and thickness of the Faraday shield in a high-frequency coaxial transformer (HFCT) has to be optimized as it has a significant influence on the intra- and inter- capacitances. This paper presents the parasitic capacitance matrix of a HFCT with and without a shield calculated by the Finite Element method. A capacitance formula is developed for the HF equivalent circuit. The simulation results demonstrate that the insertion loss caused by the shield can be neglected, and the intra-capacitance is almost reduced to zero if the shield is grounded properly. The calculated inter-capacitance of the HFCT is in good agreement with the experimental result. An optimized winding arrangement is used to minimize the power loss in the HFCT.
Peer Reviewed No
Published Yes
Copyright Statement Copyright 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Conference name 13th Biennial IEEE Conference Conference on Electromagnetic Field Computation
Location Athens
Date From 2008-05-11
Date To 2008-05-15
URI http://hdl.handle.net/10072/35321
Date Accessioned 2009-02-13
Date Available 2010-12-09T05:19:42Z
Language en_AU
Research Centre Centre for Wireless Monitoring and Applications
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Electrical and Electronic Engineering
Publication Type Conference Publications (Extract Paper)
Publication Type Code e3

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