饱和铁芯型超导限流器研究进展综述

电力系统短路电流对系统的稳定安全运行造成了极大的威胁,超导故障限流器是一种将超导技术、电力技术相结合产生的故障限流装置,能有效地限制短路电流。饱和铁芯型超导限流器是产业化前景较好的一种超导限流器,在对此类型的故障限流器进行了深入调研和广泛收集资料的基础上,介绍了饱和铁芯型超导限流器的工作原理,分析了它的优缺点,阐述了饱和铁芯型超导限流器的国内外发展现状,归纳了其在设计过程中的关键技术和制约其工业化应用的主要问题,并提出了技术建议,最后展望了饱和铁芯型超导限流的应用前景。

Summarization of R&D on DC biased iron core type superconductive fault current limiter

The continuous enlargement of fault current has great influence on the stability and safety of power system.Superconductive Fault Current Limiter(SFCL) is a current-limiting device which combines the superconducting technology with the electric technology,which is a effective way to solve the problem.And DC biased iron core type SFCL has the better application prospect.According to the investigation and extensive collection of fundamental data,the operating principle of this type SFCL was introduced in this paper.Through analyzing the research and development situation at home and abroad,its advantages and disadvantages were compared.The key technologies in design procedure and main problems constrainting its industrial application were summarized.Finally,technical proposal of the DC biased iron core type SFCL was proposed,and the application prospect of it was predicted.