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Coupling losses in inhomogeneous cores of superconducting cables.

Author(s) : TAKACS S.

Type of article: Article

Summary

The coupling losses are calculated for round and flat cables whose cores consist of two layers. The previously developed method based on the solution of the Laplace equation and its extension to flat cables is used for calculating the different contributions to coupling losses. It is shown that for flat cables it is necessary to include an insulation layer through the whole cable to suppress totally the transverse losses. Otherwise, the circular losses are of the same order as the parallel losses between neighbouring strands. Decreasing coupling losses by using highly resistive solder for round cables is effective, but not very radical in its effects. To decrease the coupling losses by about one order of magnitude, with realistic solder thickness (about one-tenth of the core radius), one has to use a solder with a resistivity about 100 times higher.

Details

  • Original title: Coupling losses in inhomogeneous cores of superconducting cables.
  • Record ID : 1994-0023
  • Languages: English
  • Source: Cryogenics - vol. 32 - n. 3
  • Publication date: 1992

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