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Comprehensive steady state analysis of bidirectional dual active bridge DC/DC converter using triple phase shift control.

Harrye, Yasen A.; Ahmed, K.H.; Adam, G.P.; Aboushady, A.A.

Authors

Yasen A. Harrye

K.H. Ahmed

G.P. Adam

A.A. Aboushady



Abstract

Several papers have been published recently on TPS control of dual active bridge (DAB) converter, however, no complete study of the converter operation behaviour exists, that takes into account all switching modes in both charging and discharging (bidirectional) power transfer. In this paper, six switching modes and their complements with opposite power transfer direction are defined with their operational constraints. Exact expressions for power transferred are derived with no fundamental frequency assumptions and range of power transfer for each mode is also defined to characterize mode limitations. Detailed constraints for zero voltage switching (ZVS) are also obtained. A new definition for converter reactive power consumption is introduced. This is based on calculation of inductor apparent power which avoids fundamental frequency approximations as well as the vague negative (back flowing) power definitions in recent papers. All known DAB phase shift modulation techniques including conventional, dual and extended phase shift, represent special cases from triple phase shift, therefore the presented analysis provides a generalised theory for all phase shift based modulation techniques.

Start Date Jun 1, 2014
Publication Date Jul 28, 2014
Print ISSN 2163-5137
Electronic ISSN 2163-5145
Publisher Institute of Electrical and Electronics Engineers
Pages 437-442
Series ISSN 2163-5145
ISBN 9781479923991
Institution Citation HARRYE, Y.A., AHMED, K.H., ADAM, G.P. and ABOUSHADY, A.A. 2014. Comprehensive steady state analysis of bidirectional dual active bridge DC/DC converter using triple phase shift control. In Proceedings of the 23rd IEEE International symposium on industrial electronics 2014 (ISIE), 01-04 June 2014, Istanbul, Turkey. Piscataway: IEEE [online], pages 437-442. Available from: https://doi.org/10.1109/ISIE.2014.6864653
DOI https://doi.org/10.1109/ISIE.2014.6864653
Keywords Dual active bridge (DAB) converter; Reactive power; Triple phase shift (TPS); Zero voltage switching (ZVS)

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