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High voltage insulation of binary current leads

✍ Scribed by J. Gerhold

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
297 KB
Volume
34
Category
Article
ISSN
0011-2275

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✦ Synopsis

Binary current leads for liquid helium (LHe) cooled superconducting apparatus offer a reduced amount of refrigeration power. The required intermediate cooling stage near the normal conducting part (NCP)-high critical temperature superconductor (HTS) interface needs special attention when high voltages have to be maintained. Some principal ways are discussed. External cold nitrogen voltage breaks are found to be the most adequate solution. The benefits are discussed by means of an example, and an evalution against conventional gas-cooled leads is given.

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