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SiC-Based High Efficiency High Isolation Dual Active Bridge Converter for a Power Electronic Transformer

Author

Listed:
  • Mariam Saeed

    (Department of Electrical Engineering, University of Oviedo, 33204 Asturias, Spain)

  • María R. Rogina

    (Department of Electrical Engineering, University of Oviedo, 33204 Asturias, Spain)

  • Alberto Rodríguez

    (Department of Electrical Engineering, University of Oviedo, 33204 Asturias, Spain)

  • Manuel Arias

    (Department of Electrical Engineering, University of Oviedo, 33204 Asturias, Spain)

  • Fernando Briz

    (Department of Electrical Engineering, University of Oviedo, 33204 Asturias, Spain)

Abstract

This paper discusses the benefits of using silicon carbide (SiC) devices in a three-stage modular power electronic transformer. According to the requirements to be fulfilled by each stage, the second one (the DC/DC isolation converter) presents the most estimable improvements to be gained from the use of SiC devices. Therefore, this paper is focused on this second stage, implemented with a SiC-based dual active bridge. Selection of the SiC devices is detailed tackling the efficiency improvement which can be obtained when they are co-packed with SiC antiparallel Schottky diodes in addition to their intrinsic body diode. This efficiency improvement is dependent on the dual active bridge operation point. Hence, a simple device loss model is presented to assess the efficiency improvement and understand the reasons for this dependence. Experimental results from a 5-kW Dual Active Bridge prototype have been obtained to validate the model. The dual active bridge converter is also tested as part of the full PET module operating at rated power.

Suggested Citation

  • Mariam Saeed & María R. Rogina & Alberto Rodríguez & Manuel Arias & Fernando Briz, 2020. "SiC-Based High Efficiency High Isolation Dual Active Bridge Converter for a Power Electronic Transformer," Energies, MDPI, vol. 13(5), pages 1-18, March.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:5:p:1198-:d:328764
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    References listed on IDEAS

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    1. Carlos Calderon & Andres Barrado & Alba Rodriguez & Pedro Alou & Antonio Lazaro & Cristina Fernandez & Pablo Zumel, 2018. "General Analysis of Switching Modes in a Dual Active Bridge with Triple Phase Shift Modulation," Energies, MDPI, vol. 11(9), pages 1-23, September.
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    Cited by:

    1. Marek Adamowicz & Janusz Szewczyk, 2020. "SiC-Based Power Electronic Traction Transformer (PETT) for 3 kV DC Rail Traction," Energies, MDPI, vol. 13(21), pages 1-30, October.
    2. Anderson Aparecido Dionizio & Leonardo Poltronieri Sampaio & Sérgio Augusto Oliveira da Silva & Sebastián de Jesús Manrique Machado, 2023. "Grid-Tied Single-Phase Integrated Zeta Inverter for Photovoltaic Applications," Energies, MDPI, vol. 16(9), pages 1-19, April.
    3. Nuraina Syahira Mohd Sharifuddin & Nadia M. L. Tan & Hirofumi Akagi, 2020. "Evaluation of a Three-Phase Bidirectional Isolated DC-DC Converter with Varying Transformer Configurations Using Phase-Shift Modulation and Burst-Mode Switching," Energies, MDPI, vol. 13(11), pages 1-20, June.

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