一种基于超导圆筒的电感式故障限流器的改进设计
An improved design of an inductive fault current limiter based on a superconducting cylinder
摘要：
本文论述了Transformer型故障限流器的基本设计，它们的区别在于初级绕组和超导短路圆筒的相互位置。不同的设计的主要参数的理论研究中进行的临界状态模型的框架，并表明，最有效的是一个设计，其中的初级绕组被分为两个部分具有相等的匝数。这些部分被放置在圆柱体的内部和外部并串联连接。绕组的这种布置导致超导圆筒中的AC损耗的显著减小、激活电流的增加以及受保护电路的正常状态中的感抗的减小。实验室模型与BSSCO气缸上获得的实验结果证实了理论预测。
英文摘要：
The paper deals with basic designs of a fault current limiter of the transformer type which differ each other by the mutual location of a primary winding and a superconducting short-circuited cylinder. Theoretical study of the main parameters of the different designs is performed in the framework of the critical state model and shows that the most effective is a design in which the primary winding is divided to two sections with equal turn numbers. The sections are placed inside and outside of the cylinder and connected in series. Such arrangement of the windings leads to a substantial reduction of AC losses in the superconducting cylinder, an increase of the activation current and a decrease of the inductive reactance in the normal regime of a protected circuit. The experimental results obtained on the laboratory model with a BSSCO cylinder confirm the theoretical predictions.
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