Current limitation properties of YBa2Cu3O7-δ/Au thin films:: application to transformer connection

被引：6
作者：
Peroz, C
Villard, C
Buzon, D
Tixador, P
机构：
[1] CNRS, Consortium Rech Emergence Technol Avancees, F-38042 Grenoble 09, France
[2] CNRS, Ctr Rech Tres Basses Temp, F-38042 Grenoble, France
[3] INPG, Lab Electrotech Grenoble, F-38406 St Martin Dheres, France
来源：
SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2003年 / 16卷 / 01期
关键词：
D O I：
10.1088/0953-2048/16/1/310
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In view of the development of superconducting fault current limiters, the properties of switching and recovering of YBa2CU3O7-delta/Au (YBCO/Au) thin films are studied at 77 K and 50 Hz for overcurrents. The bilayers present an abrupt transition to a high dissipative state leading to a current limitation at a maximum value of about 2.5 times the critical current I-c and allow the development of electric fields of 3 kV m(-1) without any damage. After the overcurrent regime, the recovery of the superconducting state under the rated current In is studied as a function of overcurrent parameters. These results show clearly the strong potential of YBCO/Au thin films which can recover their superconducting state under nominal mode. This last point is crucial for transformer connection, as experimentally shown in this paper.
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页码：54 / 59
页数：6
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