Normal zone initiation and propagation in Y-Ba-Cu-O coated conductors with Cu stabilizer

Xiaorong Wang; Angelo R. Caruso; Marco Breschi; Guomin Zhang; Ulf P. Trociewitz; Hubertus W. Weijers; Justin Schwartz

doi:10.1109/TASC.2005.847661

Normal zone initiation and propagation in Y-Ba-Cu-O coated conductors with Cu stabilizer

Xiaorong Wang, Angelo R. Caruso, Marco Breschi, Guomin Zhang, Ulf P. Trociewitz, Hubertus W. Weijers, Justin Schwartz

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

99 Scopus citations

Abstract

In the ongoing effort to investigate the normal zone behavior of coated conductors, the effects of a localized, pulsed heat disturbance on a YBa ₂Cu₃O_x/Ni-alloy conductor with Cu stabilizer was investigated. The sample was conduction cooled by a GM cryocooler in a vacuum environment, establishing nearly adiabatic conditions. A NiCr wire heater mounted on the sample was used to provide the heat pulse that initiated the normal zone. Consecutive voltage taps along the length of both sides of the sample monitored the propagation of the normal zone. Several thermocouples were glued on both sides of the sample to measure the temperature profile of the conductor. The minimum quench energies and normal zone propagation velocities were measured at ambient temperatures from 58 K to 79 K and transport current ranging from 30% to 90% of J_c. The voltage and temperature profiles are presented and discussed.

Original language	English (US)
Pages (from-to)	2586-2589
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	15
Issue number	2 PART III
DOIs	https://doi.org/10.1109/TASC.2005.847661
State	Published - Jun 2005

All Science Journal Classification (ASJC) codes

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

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10.1109/TASC.2005.847661

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title = "Normal zone initiation and propagation in Y-Ba-Cu-O coated conductors with Cu stabilizer",

abstract = "In the ongoing effort to investigate the normal zone behavior of coated conductors, the effects of a localized, pulsed heat disturbance on a YBa 2Cu3Ox/Ni-alloy conductor with Cu stabilizer was investigated. The sample was conduction cooled by a GM cryocooler in a vacuum environment, establishing nearly adiabatic conditions. A NiCr wire heater mounted on the sample was used to provide the heat pulse that initiated the normal zone. Consecutive voltage taps along the length of both sides of the sample monitored the propagation of the normal zone. Several thermocouples were glued on both sides of the sample to measure the temperature profile of the conductor. The minimum quench energies and normal zone propagation velocities were measured at ambient temperatures from 58 K to 79 K and transport current ranging from 30% to 90% of Jc. The voltage and temperature profiles are presented and discussed.",

author = "Xiaorong Wang and Caruso, {Angelo R.} and Marco Breschi and Guomin Zhang and Trociewitz, {Ulf P.} and Weijers, {Hubertus W.} and Justin Schwartz",

note = "Funding Information: Manuscript received October 3, 2004. This work was supported by the U.S. Department of Energy through Oak Ridge National Laboratory and the Office of Naval Research through the Center for Advanced Power Systems (CAPS).",

year = "2005",

month = jun,

doi = "10.1109/TASC.2005.847661",

language = "English (US)",

volume = "15",

pages = "2586--2589",

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issn = "1051-8223",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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AU - Wang, Xiaorong

AU - Caruso, Angelo R.

AU - Breschi, Marco

AU - Zhang, Guomin

AU - Trociewitz, Ulf P.

AU - Weijers, Hubertus W.

AU - Schwartz, Justin

N1 - Funding Information: Manuscript received October 3, 2004. This work was supported by the U.S. Department of Energy through Oak Ridge National Laboratory and the Office of Naval Research through the Center for Advanced Power Systems (CAPS).

PY - 2005/6

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N2 - In the ongoing effort to investigate the normal zone behavior of coated conductors, the effects of a localized, pulsed heat disturbance on a YBa 2Cu3Ox/Ni-alloy conductor with Cu stabilizer was investigated. The sample was conduction cooled by a GM cryocooler in a vacuum environment, establishing nearly adiabatic conditions. A NiCr wire heater mounted on the sample was used to provide the heat pulse that initiated the normal zone. Consecutive voltage taps along the length of both sides of the sample monitored the propagation of the normal zone. Several thermocouples were glued on both sides of the sample to measure the temperature profile of the conductor. The minimum quench energies and normal zone propagation velocities were measured at ambient temperatures from 58 K to 79 K and transport current ranging from 30% to 90% of Jc. The voltage and temperature profiles are presented and discussed.

AB - In the ongoing effort to investigate the normal zone behavior of coated conductors, the effects of a localized, pulsed heat disturbance on a YBa 2Cu3Ox/Ni-alloy conductor with Cu stabilizer was investigated. The sample was conduction cooled by a GM cryocooler in a vacuum environment, establishing nearly adiabatic conditions. A NiCr wire heater mounted on the sample was used to provide the heat pulse that initiated the normal zone. Consecutive voltage taps along the length of both sides of the sample monitored the propagation of the normal zone. Several thermocouples were glued on both sides of the sample to measure the temperature profile of the conductor. The minimum quench energies and normal zone propagation velocities were measured at ambient temperatures from 58 K to 79 K and transport current ranging from 30% to 90% of Jc. The voltage and temperature profiles are presented and discussed.

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JF - IEEE Transactions on Applied Superconductivity

IS - 2 PART III

ER -

Normal zone initiation and propagation in Y-Ba-Cu-O coated conductors with Cu stabilizer

Abstract

All Science Journal Classification (ASJC) codes

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