Theoretical and Experimental Analysis of AC Loss Characteristic of Bifilar Pancake Coil With Coated Conductor
Theoretical and Experimental Analysis of AC Loss Characteristic of Bifilar Pancake Coil With Coated Conductor
复制标题
包覆导体双线扁平线圈交流损耗特性的理论与实验分析
DOI：
10.1109/tasc.2008.920802
复制
发表时间：
2008
影响因子：
1.8
通讯作者：
K. Sim
中科院分区：
文献类型：
--
作者：
D. Park;J. Bang;Seongeun Yang;T. Ko;Y. Yoon;M. Ahn;K. Sim
近年来的研究证实了电阻式超导故障限流器在输配电线路中的经济可行性。由于SFCL在交流电（AC）下工作，即使它是超导体，在正常工作条件下也会造成功率损耗，即所谓的交流损耗。与相同长度的其他类型同轴电缆相比，采用涂覆导体（CC）的双线煎饼绕组可以有效地抵消磁场，从而降低SFCL的交流损耗。研究了SFCL用双线煎饼线圈的交流损耗特性。采用CC分别在高温超导体（HTS）和衬底（Ni-W）两面上缠绕两个双线煎饼线圈。在77 K时测量了线圈的交流损耗，并用有限元法进行了理论分析。用有限元法将实验结果与Norris方程和数值进行了比较。
According to recent studies, economical feasibility of resistive superconducting fault current limiters (FCLs) in transmission and distribution power line is confirmed. Since the SFCL is operated under alternating current (AC), it causes power loss, so-called AC loss, during normal operation condition even though it is superconductor. Bifilar pancake winding with coated conductor (CC) is expected to reduce AC loss of the SFCL by canceling magnetic fields efficiently as compared with other type SFCLs using CC in the same length. AC loss characteristic of the bifilar pancake type coil for SFCL application was investigated in this paper. Two bifilar pancake coils were wound using CC with facing on high temperature superconductor (HTS) sides each other and substrate (Ni-W) sides each other, respectively. AC losses of the coils were measured at 77 K and theoretical analysis was performed by finite element method (FEM). The experimental results are compared with the Norris equations and numerical values using FEM.