Averaged models of a six-phase, dual-interleaved DC-DC buck-boost converter with interphase transformers

Enrique Velazquez-Elizondo, Ilse Cervantes, Ismael Araujo-Vargas, Kevin Cano-Pulido

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    DC-DC converters with interphase transformer are commonly used to achieve high power density levels and high efficiency. The interleaving technique produces an increment in the ripple frequencies, reducing passive components weight and size; while an increment of phases leads to a higher power density; nevertheless, a controller is required to prevent current imbalances. As a preliminary step in the development of the control of such complex designs and to understand the dynamical limitations of a highly interleaved converters, a model should be obtained. In this paper, two average models of a six-phase dual-interleaved Buck-Boost converter are developed using an averaged switch circuit approach. Time domain tests along the frequency response of the system are used to evaluate the performance of the models using Saber simulations as a reference. The models are evaluated under nominal and extreme operating conditions.

    Original languageEnglish
    Title of host publicationProceedings - 2020 IEEE International Conference on Industrial Technology, ICIT 2020
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages450-455
    Number of pages6
    ISBN (Electronic)9781728157542
    DOIs
    StatePublished - Feb 2020
    Event21st IEEE International Conference on Industrial Technology, ICIT 2020 - Buenos Aires, Argentina
    Duration: 26 Feb 202028 Feb 2020

    Publication series

    NameProceedings of the IEEE International Conference on Industrial Technology
    Volume2020-February

    Conference

    Conference21st IEEE International Conference on Industrial Technology, ICIT 2020
    CountryArgentina
    CityBuenos Aires
    Period26/02/2028/02/20

    Keywords

    • Buck-boost
    • Dual-interleaved
    • High power density
    • Interphase transformer
    • Large-signal model
    • Small-signal model

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  • Cite this

    Velazquez-Elizondo, E., Cervantes, I., Araujo-Vargas, I., & Cano-Pulido, K. (2020). Averaged models of a six-phase, dual-interleaved DC-DC buck-boost converter with interphase transformers. In Proceedings - 2020 IEEE International Conference on Industrial Technology, ICIT 2020 (pp. 450-455). [9067235] (Proceedings of the IEEE International Conference on Industrial Technology; Vol. 2020-February). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICIT45562.2020.9067235