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Additive Manufacturing and Performance of E-Type Transformer Core

Author

Listed:
  • Hans Tiismus

    (Institute of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 19086 Tallinn, Estonia)

  • Ants Kallaste

    (Institute of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 19086 Tallinn, Estonia)

  • Anouar Belahcen

    (Department of Electrical Engineering and Automation, Aalto University, 02150 Espoo, Finland)

  • Anton Rassolkin

    (Institute of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 19086 Tallinn, Estonia)

  • Toomas Vaimann

    (Institute of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 19086 Tallinn, Estonia)

  • Payam Shams Ghahfarokhi

    (Institute of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 19086 Tallinn, Estonia
    Department of Electrical Machines and Apparatus, Riga Technical University, Kaļķu iela 1, LV-1658 Riga, Latvia)

Abstract

Additive manufacturing of ferromagnetic materials for electrical machine applications is maturing. In this work, a full E-type transformer core is printed, characterized, and compared in terms of performance with a conventional Goss textured core. For facilitating a modular winding and eddy current loss reduction, the 3D printed core is assembled from four novel interlocking components, which structurally imitate the E-type core laminations. Both cores are compared at approximately their respective optimal working conditions, at identical magnetizing currents. Due to the superior magnetic properties of the Goss sheet conventional transformer core, 10% reduced efficiency (from 80.5% to 70.1%) and 34% lower power density (from 59 VA/kg to 39 VA/kg) of the printed transformer are identified at operating temperature. The first prototype transformer core demonstrates the state of the art and initial optimization step for further development of additively manufactured soft ferromagnetic components. Further optimization of both the 3D printed material and core design are proposed for obtaining higher electrical performance for AC applications.

Suggested Citation

  • Hans Tiismus & Ants Kallaste & Anouar Belahcen & Anton Rassolkin & Toomas Vaimann & Payam Shams Ghahfarokhi, 2021. "Additive Manufacturing and Performance of E-Type Transformer Core," Energies, MDPI, vol. 14(11), pages 1-14, June.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:11:p:3278-:d:568497
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    References listed on IDEAS

    as
    1. Hans Tiismus & Ants Kallaste & Anouar Belahcen & Marek Tarraste & Toomas Vaimann & Anton Rassõlkin & Bilal Asad & Payam Shams Ghahfarokhi, 2021. "AC Magnetic Loss Reduction of SLM Processed Fe-Si for Additive Manufacturing of Electrical Machines," Energies, MDPI, vol. 14(5), pages 1-13, February.
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    Cited by:

    1. Yang, Zaoli & Shang, Wen-Long & Zhang, Haoran & Garg, Harish & Han, Chunjia, 2022. "Assessing the green distribution transformer manufacturing process using a cloud-based q-rung orthopair fuzzy multi-criteria framework," Applied Energy, Elsevier, vol. 311(C).
    2. Anouar Belahcen & Armando Pires & Vitor Fernão Pires, 2023. "Magnetic Material Modelling of Electrical Machines," Energies, MDPI, vol. 16(2), pages 1-3, January.
    3. Toomas Vaimann & Ants Kallaste, 2023. "Additive Manufacturing of Electrical Machines—Towards the Industrial Use of a Novel Technology," Energies, MDPI, vol. 16(1), pages 1-10, January.

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    2. Toomas Vaimann & Ants Kallaste, 2023. "Additive Manufacturing of Electrical Machines—Towards the Industrial Use of a Novel Technology," Energies, MDPI, vol. 16(1), pages 1-10, January.

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