Magnetic Field Stability Analysis on No-Insulation and Turn-to-Turn Soldered HTS Magnets Under Sinusoidal Noise Operation

The field stability of a no-insulation and a turn-to-turn soldered high-temperature superconducting (HTS) magnet is analyzed under sinusoidal noise operation. The stability of the magnetic field is a critical factor for some applications such as nuclear magnetic resonance (NMR) spectrometer. The no-...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2016-06, Vol.26 (4), p.1-5
Hauptverfasser: Lee, Woo Seung, Park, Young Gun, Kim, Jinsub, Song, Seunghyun, Jeon, Haeryong, Kim, Young-Gyun, Lee, Haigun, Ko, Tae Kuk
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container_issue 4
container_start_page 1
container_title IEEE transactions on applied superconductivity
container_volume 26
creator Lee, Woo Seung
Park, Young Gun
Kim, Jinsub
Song, Seunghyun
Jeon, Haeryong
Kim, Young-Gyun
Lee, Haigun
Ko, Tae Kuk
description The field stability of a no-insulation and a turn-to-turn soldered high-temperature superconducting (HTS) magnet is analyzed under sinusoidal noise operation. The stability of the magnetic field is a critical factor for some applications such as nuclear magnetic resonance (NMR) spectrometer. The no-insulation and turn-to-turn soldered HTS magnets have intrinsic residual resistance which acts like a low-pass filter attached to the main magnet. The intrinsic low-pass filter can improve the time stability of the magnetic field by reducing ac noises generated by the power supply. In this paper, the improved field stability is analyzed with a no-insulation and a turn-to-turn soldered HTS magnet sample. The sample magnets are operated under sinusoidal power supply noise. Qualitative analysis is conducted by simulating the virtual NMR lineshapes based on the field mapping results obtained during sample magnet operation. Both the no-insulation and turn-to-turn soldered magnets demonstrated improved field stability, but the field stability in the turn-to-turn soldered case is greater.
doi_str_mv 10.1109/TASC.2016.2516762
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The stability of the magnetic field is a critical factor for some applications such as nuclear magnetic resonance (NMR) spectrometer. The no-insulation and turn-to-turn soldered HTS magnets have intrinsic residual resistance which acts like a low-pass filter attached to the main magnet. The intrinsic low-pass filter can improve the time stability of the magnetic field by reducing ac noises generated by the power supply. In this paper, the improved field stability is analyzed with a no-insulation and a turn-to-turn soldered HTS magnet sample. The sample magnets are operated under sinusoidal power supply noise. Qualitative analysis is conducted by simulating the virtual NMR lineshapes based on the field mapping results obtained during sample magnet operation. 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subjects Field stability
High-temperature superconductors
Insulation
low-pass filter
Magnetic resonance imaging
Magnetic separation
NMR lineshape
Nuclear magnetic resonance
Superconducting magnets
title Magnetic Field Stability Analysis on No-Insulation and Turn-to-Turn Soldered HTS Magnets Under Sinusoidal Noise Operation
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