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Problems with conductors and dielectrics for cryogenic cables

✍ Scribed by G. Bogner; P. Penczynski


Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
845 KB
Volume
16
Category
Article
ISSN
0011-2275

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✦ Synopsis


The most important problems which need to be solved if superconducting power cables are to be used on a large scale are connected with the superconducting cable materials and the dielectrics used for insulation.

Research work on superconducting materials for ac and dc cables is briefly reviewed together with stabilization problems for these materials. Three types of insulation are considered -vacuum, subcooled or supercritical helium, and foil wound insulation. The merits and problems encountered in each case are discussed.


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## Abstract This paper describes the development of a robust multigrid, finite element‐based, Laplace solver for accurate capacitance extraction of conductors embedded in multi‐layer dielectric domains. An algebraic multigrid based on element interpolation is adopted and streamlined for the develop