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AC losses in coated superconductors in non-uniform magnetic field.

Author(s) : SOKOLOWSKY V., MEEROVICH V.

Summary

Analytical expressions for the evaluation of AC (alternating current) losses in a coated superconductor in a non-uniform AC magnetic field having the form of a standing wave are derived. A distinctive feature of the problem is the appearance of a transverse component of the induced current that converts the problem to a two-dimensional one. Bean's model for a superconductor and a low frequency approximation for a metal are used. Two cases were considered: 1) superconducting and metal strips electrically separated; 2) they are in an electric contact. Contributions of transverse and longitudinal currents in losses are analyzed.

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Pages: 2006-3/ICMC-D5

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Details

  • Original title: AC losses in coated superconductors in non-uniform magnetic field.
  • Record ID : 2008-1155
  • Languages: English
  • Source: Multiconference CryoPrague 2006 (9th Cryogenics 2006, ICEC 21, ICMC'06)
  • Publication date: 2006/07/17

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