22-27 September 2019
Hyatt Regency Hotel Vancouver
Canada/Pacific timezone

Tue-Mo-Po2.09-10 [72]: Investigation for Thermal Stability of Quasi-isotropic Superconducting Strand Stacked by 2mm Wide REBCO Tapes With Different Sheaths

24 Sep 2019, 08:45
Level 2 Posters 2

Level 2 Posters 2


Ziqiu Liu (North China Electric Power University)


Abstract-- In order to improve the engineering current density of high-temperature superconducting strand, we developed a kind of quasi-isotropic superconducting strand stacked by 2mm wide REBCO tapes. Minumum quench energy (MQE) and quench propagation velocity (QPV) of quasi-isotropic superconducting strands with copper, aluminum and stainless steel sheaths in liquid nitrogen (LN) were investigated numerically and experimentally in this paper. The numerical results are strong textin accord with the experiment, indicating that the developed numerical method can effectively simulate the thermal stability of this kind of strand immersed in liquid nitrogen and it can be applicated in high-current electric power transmission with high stability.
Index Terms--Thermal stability, quasi-isotropic superconducting strand, minumum quench energy, quench propagation velocity

Primary authors

Wei Pi (North China Electric Power University) Ziqiu Liu (North China Electric Power University) Tengyan Wang Shuwen Ma (North China Electric Power University) Yiran Meng (North China Electric Power University) Yinshun Wang (North china electric power university) Changtao Kan (North China Electric Power University)

Presentation Materials