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Characterization of High-Temperature Superconductor Bulks for Electrical Machine Application.

Bruno Douine1, Kevin Berger1, Nickolay Ivanov2

  • 1Groupe de Recherche en Energie Electrique de Nancy (GREEN), UniversitĂ© de Lorraine, 54506 Vandoeuvre-lès-Nancy, France.

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Summary
This summary is machine-generated.

This study presents an innovative characterization method for large-size high-temperature superconducting (HTS) bulks, crucial for electrical applications. The new method measures key parameters like critical current density, aiding engineers in HTS bulk implementation.

Keywords:
characterizationelectrical motorhigh-temperature superconductor

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Area of Science:

  • Materials Science
  • Electrical Engineering
  • Applied Physics

Background:

  • High-temperature superconducting (HTS) bulks are vital for advanced electrical applications.
  • Characterizing large-size HTS bulks presents significant experimental challenges.
  • Existing characterization methods are often limited to small samples.

Purpose of the Study:

  • To present features of Yttrium Barium Copper Oxide (YBaCuO) bulks.
  • To develop an electrical motor application utilizing magnetic field shielding and trapping.
  • To introduce an innovative and comprehensive characterization method for entire HTS bulks.

Main Methods:

  • Development of an electrical motor prototype using HTS bulks.
  • Magnetic field shielding and trapping techniques were employed.
  • A novel, non-destructive characterization technique for large HTS bulks was implemented.

Main Results:

  • Key parameters, including complete penetration magnetic field and critical current density, were directly measured.
  • The developed electrical motor demonstrated the practical application of HTS bulks.
  • The innovative characterization method proved effective for large-size HTS samples.

Conclusions:

  • The new characterization method overcomes limitations of classical techniques for large HTS bulks.
  • This method provides essential data for end-users and engineers to effectively implement HTS bulks.
  • The study facilitates wider adoption of HTS technology in electrical engineering.