A digital flux injector for NMR magnets

A digital flux injector for NMR magnets

By periodically injecting a quantified amount of flux in a "slightly" resistive NMR magnet, a digital flux injector (DFI) enables the magnet to effectively operate in persistent mode. This paper presents: 1) parameters of the first full-scale DFI, specifically designed and built to operate...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2005-06, Vol.15 (2), p.2348-2351
Hauptverfasser: Mai, R., Seung-yong Hahn, Haigun Lee, Bascunan, J., Iwasa, Y.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Coils
Couplings
Digital
Digital flux injector
Electrical engineering. Electrical power engineering
Electromagnets
Exact sciences and technology
Flux
High temperature superconductors
Inductance
Injectors
Inserts
Liquid helium
LTS/HTS magnet
Magnets
NMR magnet
Nuclear magnetic resonance
persistent mode
Prototypes
Superconductivity
Testing
Various equipment and components
Wounds
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Beschreibung
Zusammenfassung:By periodically injecting a quantified amount of flux in a "slightly" resistive NMR magnet, a digital flux injector (DFI) enables the magnet to effectively operate in persistent mode. This paper presents: 1) parameters of the first full-scale DFI, specifically designed and built to operate with an LTS/HTS NMR magnet; and 2) its preliminary results when coupled to an LTS insert magnet in a bath of liquid helium.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2005.849663