CUED Publications database

Flux pumping for non-insulated and metal-insulated HTS coils

Ma, J and Geng, J and Coombs, TA (2017) Flux pumping for non-insulated and metal-insulated HTS coils. Superconductor Science and Technology, 31.

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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.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 02 Feb 2018 20:19
Last Modified: 15 Apr 2021 05:52
DOI: 10.1088/1361-6668/aa99f2