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Feedback control of a rectifier type HTS flux pump: Stabilizing load current with minimized losses

Feedback control of a rectifier type HTS flux pump: Stabilizing load current with minimized losses

Geng, Jianzhao, Wang, Bin, Baghdadi, Mehdi, Li, Jing, Shen, Boyang, Zhang, Heng, Li, Chao, Zhang, Xiuchang and Coombs, Tim A. (2017) Feedback control of a rectifier type HTS flux pump: Stabilizing load current with minimized losses. IEEE Transaction of Applied Superconductivity, 27 (4):0500104. ISSN 1051-8223 (Print), 1558-2515 (Online) (doi:10.1109/TASC.2017.2652331)

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Abstract

Flux pumps are able to compensate slow current decay in high-TC superconducting (HTS) magnets through noncontact approaches. It is a promising alternative for power sources and thick current leads in operating HTS coils. Following the previous work of a rectifier flux pump, we developed a feedback control system to achieve flexible control of load current. Experimental results show that the flux pump can stabilize load current at a preset level with the help of the control system. Power loss of using the flux pump is also compared with that of using current leads.

Item Type: Article
Uncontrolled Keywords: Bridge circuits; High-temperature superconductors; Superconducting magnets; Bridges; Windings; Coils
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Department of Engineering Science
Faculty of Engineering & Science > Future Technology and the Internet of Things
Last Modified: 01 May 2018 12:56
Selected for GREAT 2016: None
Selected for GREAT 2017: GREAT c
Selected for GREAT 2018: GREAT c
URI: http://gala.gre.ac.uk/id/eprint/16465

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