Overview of current distribution and re-distribution in superconducting cables and their influence on stability

N Amemiya - Cryogenics, 1998 - Elsevier
The stability of multi-strand superconducting cables is substantially influenced by the current
distribution among strands. If the current distribution before quench is not uniform, the …

Measurement of current distribution in superconducting non-insulated stranded cable

N Amemiya, N Tsuchioka, O Tsukamoto - Advances in Cryogenic …, 1997 - Springer
A method to measure the current distribution in superconducting stranded-cables without
electrical insulation has been developed. Stability property of multi-strand superconducting …

Experimental study on current re-distribution and stability of multi-strand superconducting cables

N Amemiya, H Yonekawa, N Tsuchioka… - IEEE transactions on …, 1997 - ieeexplore.ieee.org
Stability of multi-strand superconducting cables against local disturbances should be
influenced by the current re-distribution among strands in quench or recovery processes …

Current redistribution and stability of superconducting triplex cable without electrical insulation carrying non-uniform current

N Amemiya, H Yonekawa, E Kobayashi, T Ogitsu… - Cryogenics, 2003 - Elsevier
When a small normal zone is produced in a strand in a superconducting cable by a local
disturbance, current redistribution occurs and can help the recovery of its superconducting …

Influence of current re-distribution on minimum quench energy of superconducting triplex cable against local disturbance

N Amemiya, H Yonekawa, T Ogitsu, E Kobayashi… - Cryogenics, 1998 - Elsevier
Stability of multi-strand superconducting cable against local disturbances has been studied
experimentally and theoretically. Quench experiments have been made with a …

Current distribution in AC multi-strand superconducting cables

M Tsuda, T Shimada, Y Takada, K Okazaki, A Ishiyama - Cryogenics, 1994 - Elsevier
In AC multi-strand superconducting cables, AC quench current is much less thanthat of DC.
This AC quench current degradation is caused by AC loss, mechanical damage by cabling …

Influence of current re-distribution and thermal diffusion among strands on stability of superconducting cables against local disturbances

N Amemiya, K Ryu, T Kikuchi… - IEEE transactions on …, 1994 - ieeexplore.ieee.org
Quench of multi-strand superconducting cables is often initiated by a local disturbance that
produces a normal zone in one or a few strands in the cable. Once the normal zone is …

Instability in kiloamp class ac superconducting cables

K Funaki, M Nakashima, M Iwakuma, M Takeo… - Cryogenics, 1991 - Elsevier
In kiloamp (kA) class superconducting cables for ac use, where each strand does not have
an insulation layer, the quench current in 60 Hz operation was found to be no more than …

Influence of longitudinal magnetic field on thermomagnetic instabilities in ac superconducting cables

N Amemiya, I Hlásnik, O Tsukamoto - Cryogenics, 1993 - Elsevier
As the critical current of a single ac superconducting wire cannot be more than several tens
of amperes, such single wires (strands) are bundled and twisted to make cables with a large …

Current redistribution between strands and quench process in a superconducting cable

NA Buznikov, AA Pukhov, AL Rakhmanov, VS Vysotsky - Cryogenics, 1996 - Elsevier
The influence of current redistribution between strands on the quench process in a
superconducting cable is studied. A theoretical model is developed which accounts for non …