Computational comparison of AC losses in different kinds of HTS composite conductors

AC losses of different kinds of available or anticipated HTS composite conductors were computed by using a magnetic diffusion model. The model takes into account the real current density-electric field characteristic of the superconductor and the spatial dependence of the current density, The comput...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 1997-06, Vol.7 (2), p.322-325
Main Authors: Paasi, J., Lahtinen, M.
Format: Article
Language:English
Subjects:
Applied sciences
Conductors
Current density
Electric connection. Cables. Wiring
Electrical engineering. Electrical power engineering
Exact sciences and technology
High temperature superconductors
Magnetic fields
Magnetic flux
Magnetic separation
Materials
Superconducting filaments and wires
Superconducting magnetic energy storage
Superconducting magnets
Superconducting materials
Various equipment and components
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Summary:AC losses of different kinds of available or anticipated HTS composite conductors were computed by using a magnetic diffusion model. The model takes into account the real current density-electric field characteristic of the superconductor and the spatial dependence of the current density, The computation was carried out for self-field losses due to transport current ramps and for magnetization losses in magnet operation due to ramping external magnetic field. Special attention was paid to filament coupling in various conductor models at different ramp rates.
ISSN:1051-8223
1558-2515
DOI:10.1109/77.614495