ELECTRIC-FIELD AND LOSSES IN BSCCO-2223/AG TAPES CARRYING AC TRANSPORT CURRENT

被引：6
|
作者：
PAASI, J
POLAK, M
KOTTMAN, P
SUCHON, D
LAHTINEN, M
KOKAVEC, J
机构：
[1] SLOVAK ACAD SCI,INST ELECT ENGN,BRATISLAVA 84239,SLOVAKIA
[2] UNIV WISCONSIN,CTR APPL SUPERCONDUCT,MADISON,WI 53706
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1995年 / 5卷 / 02期
基金：
芬兰科学院;
关键词：
D O I：
10.1109/77.402647
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Electric field and losses in single layer coils wound of 0.75 m long multifilamentary BSCCO-2223/Ag tapes carrying ac transport current have been studied at both 4.2 K and 77 K in the frequency range from 0.01 Hz up to 100 Hz with the main effort to 50 Hz. Current amplitudes I-p were ranging from i=I-p/I-c=0.5 to 13, critical current I-c determined by the standard 1 mu V/cm static electric field criterion. I-c of Coil 1 was 15 A at 4.2 K and 3 A at 77 K. Losses due to the wide resistive transition of the coils were found to dominate over self-field losses even well below i=1. Therefore the total losses in the whole applicable i range could not be described well by equations based on the critical state model.
引用
收藏
页码：713 / 716
页数：4
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