Recovery characteristics of fault current limiter with adjustable trigger current level

被引:12
|
作者
Shirai, Y
Fujikawa, K
Hagiwara, K
Nitta, T
Shibata, T
机构
[1] Kyoto Univ, Dept Energy Sci & Technol, Sakyo Ku, Kyoto 6068501, Japan
[2] Univ Tokyo, Dept Elect Engn, Bunkyo Ku, Tokyo 1138656, Japan
[3] Sumitomo Elect Ind Ltd, Elect Power Syst Technol Res Labs, Konohana Ku, Osaka 5540024, Japan
基金
日本学术振兴会;
关键词
D O I
10.1109/77.783560
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
A Superconducting Fault Current Limiter (SCFCL) of a transformer type with adjustable trigger current level was proposed, A trial SCFCL of this type was designed and made. Basic tests on the SCFCL were carried out, The current limiting impedance of SCFCL of the transformer type is almost determined by an inductance of a primary coil. The trigger current level and recovery characteristics of the SCFCL depends upon the design of a secondary coil. In this paper, recovery characteristics of the proposed SCFCL is studied experimentally. Joule heat in the secondary winding in the current limiting mode is measured. It is pointed out that the resistance of the secondary winding, that is the normal zone length, decreases as the line current decreases. Problems on the design of secondary winding are discussed. It is confirmed that the trial SCFCL recovers successfully from the current limiting mode to the waiting mode in shorter than ten cycles.
引用
收藏
页码:1381 / 1384
页数:4
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