Operation of hybrid current limiter based on high-Tc superconducting thin film

被引:10
作者
Meerovich, V [1 ]
Sokolovsky, V [1 ]
Goren, S [1 ]
Kozyrev, AB [1 ]
Osadchy, VN [1 ]
Hollmann, EK [1 ]
机构
[1] ELECTROTECH UNIV ST PETERSBURG, ST PETERSBURG 197376, RUSSIA
关键词
fault current limiters; high-temperature superconductors; self-oscillations superconducting films;
D O I
10.1109/77.622975
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
High-Tc superconducting (HTSC) thin film with an inductive shunt was investigated as the model of a hybrid current limiter based on the superconducting-normal state transition, In addition to features previously observed in operation of other current limiters, sharp peaks of rather high frequency were found to appear on the background of a basic low-frequency voltage signal, This is attributed to self-oscillations of temperature and current in the superconductor, The influence of the frequency and magnitude of the circuit current on the character of self-oscillations was experimentally investigated, Qualitative analysis of the conditions for appearance of the self-oscillations under de and ac conditions was carried out.
引用
收藏
页码:3783 / 3790
页数:8
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