Power density maximization of DC-DC converter

This paper proposes a method which consists of a phase shift converter with a current doubler rectifier on the output side, the operating frequency of the phase shift converter being as high as 20-25 kHz (depending on the requirement of the application), ferrite core transformer is used instead of c...

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Bibliographic Details
Published in2011 1st International Conference on Electrical Energy Systems pp. 40 - 45
Main Authors Elangovan, D, Dharmesh, P D, Ashwini, V
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.01.2011
Subjects
Bridge circuits
CDR Current Doubler Rectifier
Converters
DC Direct Current
EMC Electro Magnetic Coupling
Ferrites
FWR Full Wave Rectifier
Power transformers
Rectifiers
Transformer cores
VDR Voltage Doubler Rectifier
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Summary:This paper proposes a method which consists of a phase shift converter with a current doubler rectifier on the output side, the operating frequency of the phase shift converter being as high as 20-25 kHz (depending on the requirement of the application), ferrite core transformer is used instead of conventional one, which being bulky leads to very large amount of core loss. Unlike the conventional method, number of turns of the transformer is reduced and the overall power density is increased. The current doubler rectifier doubles the input current as needed for few vital applications. The circuit for phase shift converter with the current doubler was simulated using PSPICE SOFTWARE and the following results were obtained. For an input current of 4Amps, an output of 10.2Amps was obtained, that eventually settles at nearly 8.5 Amps. A hardware model of the proposed method validates the results verified with the simulation results.
ISBN:1424497329
9781424497324
DOI:10.1109/ICEES.2011.5725299