High Frequency Coaxial Transformer for DC/DC Converter Used in Solar PV Systems

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Title High Frequency Coaxial Transformer for DC/DC Converter Used in Solar PV Systems
Author Yang, X.; Lu, Junwei; Dawson, F.
Publication Title IEEE INTERMAG'2008 Conference, May 2008
Editor Manuel Vázquez and Ron Indeck
Year Published 2008
Place of publication USA
Publisher IEEE Magnetics Society
Abstract A novel high frequency coaxial transformer (HFCT) used for isolation in a DC/DC converter for solar PV power systems is presented. The winding structure is designed to counteract the proximity effects, and decreases the leakage inductance and the coupling capacitance between the primary and secondary windings. The experiment results demonstrate that this newly developed HFCT has achieved a very low winding loss and low leakage inductance, and a relative small coupling capacitance over a frequency range from 0.1MHz to 1MHz compared with a conventional high frequency transformer. The voltage ratio of the transformer is in good agreement with the turns ratio over the aforementioned frequency range. The simulation results confirm that the uniform distributions of magnetic flux and current density in the HFCT have been achieved.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.intermagconference.com/intermag2008/
Copyright Statement Copyright 2006 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 IEEE INTERMAG2008
Location Madrid, Spain
Date From 2008-05-04
Date To 2008-05-08
URI http://hdl.handle.net/10072/24801
Date Accessioned 2009-02-13
Language en_AU
Research Centre Queensland Micro and Nanotechnology Centre
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Renewable Power and Energy Systems Engineering (excl Solar Cells)
Publication Type Conference Publications (Full Written Paper - Refereed)
Publication Type Code e1

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