The frequency dependence of AC transport losses in stacked Bi-2223/Ag superconducting tapes
Zhang Guo-Min (张国民)ab, Lin Liang-Zhen (林良真)a, Xiao Li-Ye (肖立业)a, Qiu Ming (丘明)a, Yu Yun-Jia (余运佳)a, Hui Dong (惠东)a
a Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100080, China; b Zhengzhou Institute of Surveying and Mapping, Zhengzhou 450052, China
Abstract AC transport losses in a single superconducting tape, double- and triple-stacked Bi-2223/Ag superconducting tapes were measured by use of electrical method. The measurements were carried out at 77K with the frequency of AC transport currents ranging from 50 to 1000Hz. The dependence of AC losses on frequency and the number of tapes in the stack were presented and analysed.
Received: 16 December 2002
Revised: 20 January 2003
Accepted manuscript online:
Fund: Project supported by the Foundation from the Ministry of Science and Technology of China (Grant No G1999064608), the National Natural Science Foundation of China (Grant No 50137020), and the Foundation from the Chinese Academy of Sciences.
Cite this article:
Zhang Guo-Min (张国民), Lin Liang-Zhen (林良真), Xiao Li-Ye (肖立业), Qiu Ming (丘明), Yu Yun-Jia (余运佳), Hui Dong (惠东) The frequency dependence of AC transport losses in stacked Bi-2223/Ag superconducting tapes 2003 Chinese Physics 12 553
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