超导故障限流器的研究现状及其应用

超导故障限流器(Superconducting Fault Current Limiter,SFCL)是利用超导体的基本特性,有效限制电力系统故障短路电流,提高电网安全性和稳定性的一种新型电力设备。文中在综合大量文献的基础上,对超导故障限流器进行了一种较为系统的分类。基于该种分类,结合目前国内外的研究现状,就电阻型、磁屏蔽型、饱和铁芯电抗器型、桥路型SFCL的工作原理作了详细的分析介绍,还给出了它们在电力系统中的安装位置。最后,对超导故障限流器的研究中存在的问题及其发展趋势做了说明。

The research situation and application of superconducting fault current limiters

The Superconducting Fault Current Limiter(SFCL) is a new model of power equipments to raise the security and stability of the power network.It can be used to restrict short-circuit current effectively in power systems by basic character of superconductors.According to the research results of many papers,this paper gives a systematical classification about the SFCL.Based on this classification and the research situation at present,the operation principles of the resistive type,magnetic shield type,Saturated Core SFCL and bridge type SFCL are analyzed in detail.Then the Location of SFCL in power systems is given.Finally,some application problems in practice and the developing trend are explained.