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. and Asher, Greg (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), 27-29 March 2012, Bristol, UK.

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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.

Item Type: Conference or Workshop Item (Paper)
RIS ID: https://nottingham-repository.worktribe.com/output/709626
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
Keywords: Leakage inductance ; Medium frequency transformer ; Winding arrangements ; Winding losses
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Identification Number: https://doi.org/10.1049/cp.2012.0212
Depositing User: Klumpner, Dr Christian
Date Deposited: 13 Jul 2016 13:11
Last Modified: 04 May 2020 16:32
URI: https://eprints.nottingham.ac.uk/id/eprint/34820

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