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Nanocrystalline and Silicon Steel Medium-Frequency Transformers Applied to DC-DC Converters: Analysis and Experimental Comparison

Author

Listed:
  • Dante Ruiz-Robles

    (Graduate Program and Research in Electrical Engineering (PGIIE), Instituto Tecnológico de Morelia, Morelia 58120, Mexico)

  • Jorge Ortíz-Marín

    (Graduate Program and Research in Electrical Engineering (PGIIE), Instituto Tecnológico de Morelia, Morelia 58120, Mexico)

  • Vicente Venegas-Rebollar

    (Graduate Program and Research in Electrical Engineering (PGIIE), Instituto Tecnológico de Morelia, Morelia 58120, Mexico)

  • Edgar L. Moreno-Goytia

    (Graduate Program and Research in Electrical Engineering (PGIIE), Instituto Tecnológico de Morelia, Morelia 58120, Mexico)

  • David Granados-Lieberman

    (ENAP-Research Group, CA-Fuentes Alternas y Calidad de la Energía Eléctrica, Departamento de Ingeniería Electromecánica, Instituto Tecnológico Superior de Irapuato (ITESI), Irapuato 36821, Mexico)

  • Juan R. Rodríguez-Rodriguez

    (Departamento de Energía, Facultad de Ingeniería, Universidad Nacional Autónoma de Mexico, Ciudad de Mexico 04510, Mexico)

Abstract

High performance, highly efficient DC-DC converters play a key role in improving the penetration of renewable energy sources in the context of smart grids in applications such as solid-state transformers, built-in power drives in electric vehicles and interfacing photovoltaic and wind-power systems. Advanced medium-frequency transformers (MFTs) are fundamental to enhance DC-DC converters and determining its behavior, therefore MFT design procedures have become increasingly important in this context. This paper investigates which type of core material, between nanocrystalline and silicon steel, has the best properties for designing MFTs for distinct applications. Unlike to other proposals, in this work, two 1 kVA-120 V/240 V-1 kHz lab MFT prototypes, with a different type of core material, are developed for the purpose of comparing its physical characteristics, behavior, and performance under real-life conditions. A final section, the experimental results show that the nanocrystalline MFT has greater power density and efficiency. The results of this work introduce nanocrystalline MFTs as an option in a wider range of applications in niches in which other materials are currently used.

Suggested Citation

  • Dante Ruiz-Robles & Jorge Ortíz-Marín & Vicente Venegas-Rebollar & Edgar L. Moreno-Goytia & David Granados-Lieberman & Juan R. Rodríguez-Rodriguez, 2019. "Nanocrystalline and Silicon Steel Medium-Frequency Transformers Applied to DC-DC Converters: Analysis and Experimental Comparison," Energies, MDPI, vol. 12(11), pages 1-16, May.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:11:p:2062-:d:235577
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    References listed on IDEAS

    as
    1. Pei Huang & Chengxiong Mao & Dan Wang, 2017. "Electric Field Simulations and Analysis for High Voltage High Power Medium Frequency Transformer," Energies, MDPI, vol. 10(3), pages 1-11, March.
    2. Dante Ruiz-Robles & Vicente Venegas-Rebollar & Adolfo Anaya-Ruiz & Edgar L. Moreno-Goytia & Juan R. Rodríguez-Rodríguez, 2018. "Design and Prototyping Medium-Frequency Transformers Featuring a Nanocrystalline Core for DC–DC Converters," Energies, MDPI, vol. 11(8), pages 1-17, August.
    3. Haonan Tian & Zhongbao Wei & Sriram Vaisambhayana & Madasamy Thevar & Anshuman Tripathi & Philip Kjær, 2019. "A Coupled, Semi-Numerical Model for Thermal Analysis of Medium Frequency Transformer," Energies, MDPI, vol. 12(2), pages 1-16, January.
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    Cited by:

    1. Sakda Somkun & Toshiro Sato & Viboon Chunkag & Akekachai Pannawan & Pornnipa Nunocha & Tawat Suriwong, 2021. "Performance Comparison of Ferrite and Nanocrystalline Cores for Medium-Frequency Transformer of Dual Active Bridge DC-DC Converter," Energies, MDPI, vol. 14(9), pages 1-21, April.
    2. Piotr Dworakowski & Andrzej Wilk & Michal Michna & Bruno Lefebvre & Fabien Sixdenier & Michel Mermet-Guyennet, 2020. "Effective Permeability of Multi Air Gap Ferrite Core 3-Phase Medium Frequency Transformer in Isolated DC-DC Converters," Energies, MDPI, vol. 13(6), pages 1-21, March.

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