V. I. Datskov, V. Bartenev
High current leads are required in many large superconducting magnet facilities and will be required for high-temperature superconductor power applications. Several important factors must be selected in order to design high current leads that include the choice of conductor properties and lead geometry (length, cross section, cooling surface area). The application of a mathematical model and optimization for a 13-kA lead design between liquid helium and room temperatures are discussed. A design and manufacturing technology for current leads with specific heat leak near 1 W/K in forced-cooled mode are also described. The principles of selection of the current-carrying element material, geometric sizes, and their influence on the heat leak from the current leads are explained. Measurements of the typical copper residual resistivity ratio found at different locations of welded samples taken from prototype current leads are presented. These measurements provide direction in choice of material properties used in modeling a current lead design. Different modes of cooling the current leads, such as vapor cooled and forced-flow cooled, are considered. A comparison between some existing current lead designs is discussed.
@article{b6e72642-6b6a-482c-8967-684a5a85f908,
title={PRACTICAL DESIGN AND MANUFACTURING OF CRYOGENIC HIGH CURRENT LEADS},
author={V. I. Datskov and V. Bartenev},
year={2009},
language={en}
}TY - JOUR TI - PRACTICAL DESIGN AND MANUFACTURING OF CRYOGENIC HIGH CURRENT LEADS AU - V. I. Datskov AU - V. Bartenev PY - 2009 LA - en ER -
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