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Achieving the desired transformer leakage inductance necessary in DC-DC converters for energy storage applications

De, D.; Klumpner, Christian; Rashed, Mohamed; Patel, C.; Kulsangcharoen, P.; Asher, Greg

Authors

D. De

Christian Klumpner

Mohamed Rashed

C. Patel

P. Kulsangcharoen

Greg Asher

Abstract

This paper presents a cost effective winding design and evaluation of a medium frequency isolation transformer typically used in bidirectional isolated DC/DC converters. Since leakage inductance and winding resistance of a high frequency transformer are interdependent, any attempt to increase the leakage inductance by adjusting the winding arrangement increases the resistance as well and impacts the efficiency. This paper proposes the use of flux diverter caps made of a relatively small amount of ferrite material to get the desired value of inductance whilst maintaining the losses in the windings at reasonable levels. The proposal is experimentally evaluated on a 5kW prototype.

Publication Date Mar 29, 2012
Peer Reviewed Peer Reviewed
Article Number A52
Book Title 6th IET International Conference on Power Electronics, Machines and Drives (PEMD 2012)
Institution Citation De, D., Klumpner, C., Rashed, M., Patel, C., Kulsangcharoen, P., & Asher, G. (2012). Achieving the desired transformer leakage inductance necessary in DC-DC converters for energy storage applications. In 6th IET International Conference on Power Electronics, Machines and Drives (PEMD 2012)doi:10.1049/cp.2012.0212
DOI https://doi.org/10.1049/cp.2012.0212
Keywords Leakage inductance ; Medium frequency transformer ; Winding arrangements ; Winding losses
Publisher URL http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6242062
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information Published in: PEMD 2012 : International Conference on Power Electronics, Machines and Drives, University of Bristol, UK, 27-29 March 2012. Piscataway, N.J. : IEEE, 2012. ISBN 9781849196161, doi:10.1049/cp.2012.0212

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf




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