Abstract
For the different characteristics of nonresonant and resonant isolated bidirectional full bridge DC–DC converter, a unified expression of power transmissions is derived from two DC–DC converters. The power transfer characteristics could be unified described through the power expression. The problem of isolated bidirectional DC–DC converter is that the switching loss increases and the converter efficiency declines with the forced turn-on or turn-off of switch devices in high-frequency situation. In this paper, to solve this problem, an isolated LC series resonant transformer full bridge DC–DC converter is taken as research object, a phase-shift control strategy which could realize zero voltage turn-on and decrease the turn-off current of the power devices to decrease switching loss and increase the efficiency is proposed. The validity of proposed control strategy is verified through simulation and experiment results.
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Jiang, M., Li, W. (2014). A Soft-Switching Control Method of Isolated LC Series Resonant Transformer Full Bridge DC–DC Converter. In: Jia, L., Liu, Z., Qin, Y., Zhao, M., Diao, L. (eds) Proceedings of the 2013 International Conference on Electrical and Information Technologies for Rail Transportation (EITRT2013)-Volume II. Lecture Notes in Electrical Engineering, vol 288. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-53751-6_2
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DOI: https://doi.org/10.1007/978-3-642-53751-6_2
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