Flux pumping for non-insulated and metal-insulated HTS coils
Accepted version
Peer-reviewed
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Abstract
High-temperature superconducting (HTS) coils wound from coated conductors without turn-to-turn insulation (non-insulated (NI) coils) have been proven with excellent electrical and thermal performances. However, the slow charging of NI coils has been a long-lasting problem. In this work, we explore using a transformer-rectifier HTS flux pump to charge an NI coil and a metal-insulated coil. The charging performance comparison is made between different coils. Comprehensive study is done to thoroughly understand the electrical-magnetic transience in charging these coils. We will show that the low-voltage high-current flux pump is especially suitable for charging NI coils with very low characteristic resistance.
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Keywords
flux pump, non-insulated coil, metal-insulated coil
Journal Title
Superconductor Science and Technology
Conference Name
Journal ISSN
0953-2048
1361-6668
1361-6668
Volume Title
31
Publisher
IOP Publishing
Publisher DOI
Sponsorship
Engineering and Physical Sciences Research Council (EP/R016615/1)