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首页> 外文会议>5th European Conference on Applied Superconductivity (EUCAS 2001) Pt.3 Aug 26-30, 2001 Lyngby, Denmark >Resistance of superconducting fault current limiters based on YBa_2Cu_3O_7 thin films after quench completion
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Resistance of superconducting fault current limiters based on YBa_2Cu_3O_7 thin films after quench completion

机译：基于YBa_2Cu_3O_7薄膜的超导故障限流器淬火完成后的电阻

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摘要

We investigated the time dependence of the resistance of superconducting fault current limiters (SFCLs) based on YBa_2Cu_3O_7 thin films after quench completion. The 0.3 μm thick film was coated with a gold layer of 0.2 μm thickness and patterned into pairs of 1 mm wide and 26 cm long meander lines by photolithography. The SFCL was subjected to simulated AC fault currents of various peak values. The resistance of the SFCL consisted of an oscillatory component and a slow varying one. The slow varying component of the resistance increased exponentially with time after the initial rapid increase due to phase transition. The magnitude of the oscillatory component was small compared with the slow varying one. These results could be explained quantitatively with the concept of heat transfer within the film and to the surroundings.
机译：我们研究了淬火完成后基于YBa_2Cu_3O_7薄膜的超导故障限流器（SFCL）的电阻随时间的变化。在0.3μm厚的薄膜上涂上0.2μm的金层，并通过光刻将其图案成1mm宽，26cm长的弯曲线对。 SFCL经受了各种峰值的模拟交流故障电流。 SFCL的电阻由一个振荡成分和一个缓慢变化的成分组成。电阻的缓慢变化分量由于相变而在初始快速增加后随时间呈指数增长。与缓慢变化的振荡分量相比，振荡分量的大小很小。这些结果可以用薄膜内部和周围环境的热传递概念进行定量解释。

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