Maximum efficiency point tracking algorithm for dual active bridge converters

This paper presents an algorithm for seeking the most suitable operating point and the maximum efficiency in respect of the operating conditions in a dual active bridge converter. The method is the most suitable for half-bridge variants of the dual active bridge since the previously presented modula...

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Bibliographic Details
Published in2015 IEEE Energy Conversion Congress and Exposition (ECCE) pp. 623 - 629
Main Authors Vaisanen, Vesa, Hiltunen, Jani
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2015
Subjects
Algorithm design and analysis
algorithms
Bridge circuits
DC-DC power converters
energy efficiency
Modulation
Switches
Switching frequency
Transistors
Zero voltage switching
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Summary:This paper presents an algorithm for seeking the most suitable operating point and the maximum efficiency in respect of the operating conditions in a dual active bridge converter. The method is the most suitable for half-bridge variants of the dual active bridge since the previously presented modulation methods are derived only for full-bridge configurations. The maximum efficiency point tracking method is based on a perturb-and-observe type tracker and a variable frequency modulation method where the turn-on currents of the primary and secondary bridges can be adjusted by using closed-form expressions.
ISSN:2329-3721
2329-3748
DOI:10.1109/ECCE.2015.7309747