Quench Detection Performance of Lowerature Superconducting Quench Detectors for REBCO Tape in Magnetic Fields

Shin Hasegawa; Satoshi Ito; Gen Nishijima; Hidetoshi Hashizume

doi:10.1109/TASC.2021.3063645

Quench Detection Performance of Lowerature Superconducting Quench Detectors for REBCO Tape in Magnetic Fields

Shin Hasegawa, Satoshi Ito, Gen Nishijima, Hidetoshi Hashizume

ENG - Quantum Science and Energy Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

A quench detection method using a lowerature superconducting quench detector (QD) has been proposed to protect rare-earth barium copper oxide (REBCO) coils at temperatures below 20 K in magnetic fields. In this study, we first conducted an experiment at 4.2 K in 0-9 T using a locally- degraded REBCO tape and Nb-Ti QDs (Nb-Ti/Cu, Nb-Ti/Cu-Ni). Quick quench detection before thermal runaway of the REBCO tape was demonstrated by the Nb-Ti/Cu-Ni QD in 0-9 T, whereas Nb-Ti/Cu QD exhibited quick quench detection only at 9 T. Furthermore, we numerically evaluated the quench detection time of Nb-Ti QDs attached to a REBCO tape with local degradation at 4.2 K in 0-9 T. The simulation reproduced the experimental results. Moreover, the contact resistance between the REBCO tape and QD should be lower than 1.0 × 10-3 m2K/W for quick quench detection.

Original language	English
Article number	9368969
Journal	IEEE Transactions on Applied Superconductivity
Volume	31
Issue number	5
DOIs	https://doi.org/10.1109/TASC.2021.3063645
Publication status	Published - 2021 Aug

Keywords

Nb-Ti
Quench detection
REBCO coil
REBCO tape
quench detector
thermal runaway

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TASC.2021.3063645

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@article{a6751b624992443eae47686d1c0e99fa,

title = "Quench Detection Performance of Lowerature Superconducting Quench Detectors for REBCO Tape in Magnetic Fields",

abstract = "A quench detection method using a lowerature superconducting quench detector (QD) has been proposed to protect rare-earth barium copper oxide (REBCO) coils at temperatures below 20 K in magnetic fields. In this study, we first conducted an experiment at 4.2 K in 0-9 T using a locally- degraded REBCO tape and Nb-Ti QDs (Nb-Ti/Cu, Nb-Ti/Cu-Ni). Quick quench detection before thermal runaway of the REBCO tape was demonstrated by the Nb-Ti/Cu-Ni QD in 0-9 T, whereas Nb-Ti/Cu QD exhibited quick quench detection only at 9 T. Furthermore, we numerically evaluated the quench detection time of Nb-Ti QDs attached to a REBCO tape with local degradation at 4.2 K in 0-9 T. The simulation reproduced the experimental results. Moreover, the contact resistance between the REBCO tape and QD should be lower than 1.0 × 10-3 m2K/W for quick quench detection. ",

keywords = "Nb-Ti, Quench detection, REBCO coil, REBCO tape, quench detector, thermal runaway",

author = "Shin Hasegawa and Satoshi Ito and Gen Nishijima and Hidetoshi Hashizume",

note = "Funding Information: Manuscript received November 24, 2020; revised January 25, 2021 and February 17, 2021; accepted February 28, 2021. Date of publication March 3, 2021; date of current version March 29, 2021. This work was supported in part by the Grant-in-Aid for Japan Society for the Promotion of Science (JSPS) Fellows under Grant 19J10989, in part by JSPS Grant-in-Aid for Scientific Research (B) under Grant 20H01884, and in part by the High Field Laboratory for Superconducting Materials (HFLSM), Institute for Materials Research, Tohoku University under Project 20H0205. (Corresponding author: Shin Hasegawa.) Shin Hasegawa, Satoshi Ito, and Hidetoshi Hashizume are with the Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8577, Japan (e-mail: shase@ karma.qse.tohoku.ac.jp; satoshi.ito.e3@tohoku.ac.j; hidetoshi.hashizume.a5@ tohoku.ac.jp). Publisher Copyright: {\textcopyright} 2002-2011 IEEE.",

year = "2021",

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doi = "10.1109/TASC.2021.3063645",

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T1 - Quench Detection Performance of Lowerature Superconducting Quench Detectors for REBCO Tape in Magnetic Fields

AU - Hasegawa, Shin

AU - Ito, Satoshi

AU - Nishijima, Gen

AU - Hashizume, Hidetoshi

N1 - Funding Information: Manuscript received November 24, 2020; revised January 25, 2021 and February 17, 2021; accepted February 28, 2021. Date of publication March 3, 2021; date of current version March 29, 2021. This work was supported in part by the Grant-in-Aid for Japan Society for the Promotion of Science (JSPS) Fellows under Grant 19J10989, in part by JSPS Grant-in-Aid for Scientific Research (B) under Grant 20H01884, and in part by the High Field Laboratory for Superconducting Materials (HFLSM), Institute for Materials Research, Tohoku University under Project 20H0205. (Corresponding author: Shin Hasegawa.) Shin Hasegawa, Satoshi Ito, and Hidetoshi Hashizume are with the Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University, Sendai 980-8577, Japan (e-mail: shase@ karma.qse.tohoku.ac.jp; satoshi.ito.e3@tohoku.ac.j; hidetoshi.hashizume.a5@ tohoku.ac.jp). Publisher Copyright: © 2002-2011 IEEE.

PY - 2021/8

Y1 - 2021/8

N2 - A quench detection method using a lowerature superconducting quench detector (QD) has been proposed to protect rare-earth barium copper oxide (REBCO) coils at temperatures below 20 K in magnetic fields. In this study, we first conducted an experiment at 4.2 K in 0-9 T using a locally- degraded REBCO tape and Nb-Ti QDs (Nb-Ti/Cu, Nb-Ti/Cu-Ni). Quick quench detection before thermal runaway of the REBCO tape was demonstrated by the Nb-Ti/Cu-Ni QD in 0-9 T, whereas Nb-Ti/Cu QD exhibited quick quench detection only at 9 T. Furthermore, we numerically evaluated the quench detection time of Nb-Ti QDs attached to a REBCO tape with local degradation at 4.2 K in 0-9 T. The simulation reproduced the experimental results. Moreover, the contact resistance between the REBCO tape and QD should be lower than 1.0 × 10-3 m2K/W for quick quench detection.

AB - A quench detection method using a lowerature superconducting quench detector (QD) has been proposed to protect rare-earth barium copper oxide (REBCO) coils at temperatures below 20 K in magnetic fields. In this study, we first conducted an experiment at 4.2 K in 0-9 T using a locally- degraded REBCO tape and Nb-Ti QDs (Nb-Ti/Cu, Nb-Ti/Cu-Ni). Quick quench detection before thermal runaway of the REBCO tape was demonstrated by the Nb-Ti/Cu-Ni QD in 0-9 T, whereas Nb-Ti/Cu QD exhibited quick quench detection only at 9 T. Furthermore, we numerically evaluated the quench detection time of Nb-Ti QDs attached to a REBCO tape with local degradation at 4.2 K in 0-9 T. The simulation reproduced the experimental results. Moreover, the contact resistance between the REBCO tape and QD should be lower than 1.0 × 10-3 m2K/W for quick quench detection.

KW - Nb-Ti

KW - Quench detection

KW - REBCO coil

KW - REBCO tape

KW - quench detector

KW - thermal runaway

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JO - IEEE Transactions on Applied Superconductivity

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ER -

Quench Detection Performance of Lowerature Superconducting Quench Detectors for REBCO Tape in Magnetic Fields

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