ShareInstability in kiloamp class alternating current superconducting cables.
Author(s) : FUNAKI K., NAKASHIMA M., IWAKUMA M., et al.
Type of article: Article
Summary
The degradation in the 60 hertz quench current of the kiloampère class cables is discussed with respect to: 1) an alternating current instability in the multifilamentary wire; 2) magnetic coupling among strands in concentric multistrand cables; 3) the influence of local disorder in cabling on current distribution; and 4) the temperature rise due to steady alternating current losses. While points 2 and 3 induce non-uniform current distribution, points 1 and 4 were found to be factors in the reduction of quench current in the strands with higher current density. Some local overheatings may also contribute to the intense degradation.
Details
- Original title: Instability in kiloamp class alternating current superconducting cables.
- Record ID : 1993-0054
- Languages: English
- Source: Cryogenics - vol. 31 - n. 7
- Publication date: 1991/07
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