TY - JOUR
T1 - Flux pumping for non-insulated and metal-insulated HTS coils
AU - Ma, Jun
PY - 2017/12/8
Y1 - 2017/12/8
N2 - 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.
AB - 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.
KW - HTS magnets
KW - Flux pump
KW - no-insulation
UR - https://iopscience.iop.org/article/10.1088/1361-6668/aa99f2/meta
U2 - 10.1088/1361-6668/aa99f2
DO - 10.1088/1361-6668/aa99f2
M3 - Article (Academic Journal)
SN - 0953-2048
VL - 31
JO - Superconductor Science and Technology
JF - Superconductor Science and Technology
M1 - 015018
ER -