Design and Test of Quench Protection for Superconducting Generator Field Coils

被引:1
|
作者
Wu, Anbo [1 ]
Bai, Ye [1 ]
Xu, Minfeng [1 ]
Parizh, Michael [1 ]
Huang, Shike [1 ]
Torrey, David [1 ]
机构
[1] Gen Elect Res, Niskayuna, NY 12309 USA
关键词
Superconducting coils; Superconducting magnets; Generators; High-temperature superconductors; Resistance heating; Magnetic resonance imaging; Voltage; Quench protection; superconducting generator; Index Terms; field coil; quench protection switch;
D O I
10.1109/TASC.2023.3264470
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
The quench protection for an LTS superconducting field winding within a 15+ MW direct-drive superconducting wind generator is presented. The quench protection circuit comprises multiple superconducting field coils, one quench protection switch (QPS), a set of trigger heaters thermally attached to the QPS, and a set of quench protection heaters in thermal contact with each field coil. Trigger heaters are electrically connected across each field coil. All quench protection heaters are electrically connected across the QPS. The quench of any field coil will power at least one trigger heater and heat the QPS to quench. Consequently, the QPS voltage will power all the quench protection heaters and trigger all field coils to quench nearly simultaneously. This QPS-based quench protection circuit has been successfully validated by experiments. Alternatively, one of the field coils, designated as trigger-coil, can also function as the QPS. Simulation results of the two quench circuits are compared.
引用
收藏
页数:5
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