Quench Detection Method for HTS Coils Using Electromagnetically Coupled Coils

被引:8
作者
Song, Seunghyun [1 ]
Lee, Jiho [1 ]
Lee, Woo Seung [1 ]
Jin, Hongwoo [1 ]
Lee, Jeyull [1 ]
Hwang, Young Jin [2 ]
Ko, Tae Kuk [1 ]
机构
[1] Yonsei Univ, Sch Elect & Elect Engn, Seoul 120749, South Korea
[2] Korea Testing Lab, Ansan 426901, South Korea
关键词
Electromagnetic induction; field coil; quench detection; voltage tap;
D O I
10.1109/TASC.2014.2362521
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
Generally, in order to detect the quench of the superconducting field coil for the superconducting rotating machine, signal wires for voltage taps are indispensably needed. However, the problem of the conventional method is wire twisting as the superconducting field coil rotates. Therefore, in this paper, authors suggest a new method to detect the quench of the superconducting field coil using electromagnetically coupled coils. The suggested method consists of two superconducting pancake and copper solenoid coils. Two superconducting pancake coils play roles of a field coil and external (alternating) field generation for the rotating machine. In addition, two copper solenoid coils are used to transmit the voltage wirelessly and receive the transmitted voltage using electromagnetic induction. In order to verify the feasibility of this method, experiments are performed according to the transporting current flowing through two superconducting pancake coils and separation distance between two copper solenoid coils. The result shows that it is expected to apply this method to the superconducting rotating machines for the detection of quench without direct connection of voltage taps.
引用
收藏
页数:4
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