期刊
SUPERCONDUCTOR SCIENCE & TECHNOLOGY
卷 34, 期 8, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6668/abf985
关键词
current flow diverter; high temperature superconductor; REBaCuO; current transfer length; hot spot; coated conductor
This study reexamines the concept of current transfer length (CTL) in second-generation high-temperature superconductor coated conductors with a current flow diverter (CFD) architecture using experimental and numerical approaches. The study implemented the CFD architecture on eight commercial coated conductor samples from THEVA and measured the 2D current distribution in the silver stabilizer layer using a custom-made array of 120 voltage taps. The 'static' CTL (lambda(s)) was then determined.
This paper uses both experimental and numerical approaches to revisit the concept of current transfer length (CTL) in second-generation high-temperature superconductor coated conductors with a current flow diverter (CFD) architecture. The CFD architecture has been implemented on eight commercial coated conductor samples from THEVA. In order to measure the 2D current distribution in the silver stabilizer layer of the samples, we first used a custom-made array of 120 voltage taps to measure the surface potential distribution. Then, the so-called 'static' CTL (lambda(s)
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