Design, Development and Testing of the Cryogenic System for the 45-T Hybrid

Sciver, S.W. Van; Welton, S. J.; Bartholomew, K.; Gorbunov, M.; Miller, J.R.; McIntosh, G. E.; Mardion, G. Bon; Viargues, F.; Balcer, D.; Kreinbrink, K.

doi:10.1007/978-1-4613-0373-2_160

Cited by 4 publications

(1 citation statement)

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“…Dimensions of the leads were chosen to allow replacement of the conventional helium-vapor cooled copper leads in the NHMFL 45-T Hybrid Magnet system [2]. Upgrading to more efficient leads can sufficiently reduce the heat load on the cryogenic system [3] to allow operation on one liquefier (instead of two) thereby providing redundancy, reduced operating cost and less stressful operation of the cryogenics.…”

Section: Introductionmentioning

confidence: 99%

Binary Nitrogen-Cooled 10 kA Leads

Weijers

Gavrilin

Cantrell

et al. 2008

IEEE Trans. Appl. Supercond.

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A pair of binary current leads has been constructed with a nitrogen vapor cooled resistive section and a stainless steel shunted HTS lower section. These leads are intended as replacement leads for the NHMFL 45 T Hybrid and also serve as half-current prototypes for the 20 kA leads foreseen for the Series Connected Hybrids that are under development at the NHMFL. An amount of liquid nitrogen is maintained in a reservoir at the bottom of the resistive section such that vapor flow is determined by selfdemand. The liquid nitrogen delivery system and properties of the vapor cooled section of the leads are described. A comparison is made between the measured and calculated properties of the resistive section in steady state and transient conditions.

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Section: Introductionmentioning

confidence: 99%