Operational characteristics of flux-lock type SFCL with series connection of two coils

被引：21

作者：

Lim, Sung-Hun ^{[1
]}

机构：

[1] Soongsil Univ, Dept Elect Engn, Seoul 156743, South Korea

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2007年 / 17卷 / 02期

关键词：

current limiting operation; fault current limiting characteristics; flux-lock type SFCL; inductance ratio; winding direction;

D O I：

10.1109/TASC.2007.899869

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：

In this paper, we investigated the operational characteristics of the flux-lock type superconducting fault current limiter (SFCL) with series connection of two coils, which was suggested by us previously. This SFCL has the similar fault current limiting characteristics to the flux-lock type SFCL with parallel connection of two coils: The current limiting operation of the SFCL is performed by the generation of the magnetic flux between two coils when a fault happens and the fault current limiting characteristics of the SFCL are dependent on the inductance ratio and the winding direction of two coils. To confirm it, the operational characteristics of this SFCL were analysed based on its electrical equivalent circuit and the fault current limiting characteristics of this SFCL were investigated through the fault current limiting experiments. Through the analysis, it was shown that the limited fault current and the resistance of high-T-c superconducting (HTSC) element could be adjusted by two coils' inductance ratio and the winding direction of two coils.

引用

页码：1895 / 1898

页数：4

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