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A New Test Station to Measure the Critical Current of Superconducting Strands.

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Title: A New Test Station to Measure the Critical Current of Superconducting Strands.
Authors: Pfister, R.1, Joss, W.1, Kramer, S.1, Pugnat, P.1, Ronayette, L.1, Xiao, H.1
Source: IEEE Transactions on Applied Superconductivity. Jun2012, Vol. 22 Issue 3, p9500504-9500504. 4p.
Subjects: Critical current measurement, Electric contactors, Liquid helium, Magnetic fields, Niobium, Titanium, Temperature
Abstract: A test station for critical current measurements of superconducting strands with lengths up to 1.6 m has been developed at LNCMI-Grenoble. A modular cryostat has been designed for its integration within the existing infrastructures of the laboratory including the 24 MW sites of resistive magnets for continuous magnetic fields up to 35 T. The sample holder can carry up to 10 strands wound in coils of 44 mm diameter and stacked up around a common current lead, which allows using the expensive magnet time more efficiently. To reduce the thermal load, a novel integrated switching unit containing 10 high current contactors operating in liquid helium has been implemented in order to connect alternately the remaining terminal of each strand sample to the second current lead. First results of critical current measurement obtained in a 10 T superconducting solenoid are presented. They allow the determination of the sensitivity and precision of this set-up. Finally, solutions to further improve this station are discussed . [ABSTRACT FROM PUBLISHER]
Copyright of IEEE Transactions on Applied Superconductivity is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 76519626
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PubTypeId: academicJournal
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  Data: A New Test Station to Measure the Critical Current of Superconducting Strands.
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  Data: <searchLink fieldCode="JN" term="%22IEEE+Transactions+on+Applied+Superconductivity%22">IEEE Transactions on Applied Superconductivity</searchLink>. Jun2012, Vol. 22 Issue 3, p9500504-9500504. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Critical+current+measurement%22">Critical current measurement</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+contactors%22">Electric contactors</searchLink><br /><searchLink fieldCode="DE" term="%22Liquid+helium%22">Liquid helium</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+fields%22">Magnetic fields</searchLink><br /><searchLink fieldCode="DE" term="%22Niobium%22">Niobium</searchLink><br /><searchLink fieldCode="DE" term="%22Titanium%22">Titanium</searchLink><br /><searchLink fieldCode="DE" term="%22Temperature%22">Temperature</searchLink>
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  Data: A test station for critical current measurements of superconducting strands with lengths up to 1.6 m has been developed at LNCMI-Grenoble. A modular cryostat has been designed for its integration within the existing infrastructures of the laboratory including the 24 MW sites of resistive magnets for continuous magnetic fields up to 35 T. The sample holder can carry up to 10 strands wound in coils of 44 mm diameter and stacked up around a common current lead, which allows using the expensive magnet time more efficiently. To reduce the thermal load, a novel integrated switching unit containing 10 high current contactors operating in liquid helium has been implemented in order to connect alternately the remaining terminal of each strand sample to the second current lead. First results of critical current measurement obtained in a 10 T superconducting solenoid are presented. They allow the determination of the sensitivity and precision of this set-up. Finally, solutions to further improve this station are discussed . [ABSTRACT FROM PUBLISHER]
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  Data: <i>Copyright of IEEE Transactions on Applied Superconductivity is the property of IEEE and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1109/TASC.2011.2178581
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      – Code: eng
        Text: English
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        PageCount: 4
        StartPage: 9500504
    Subjects:
      – SubjectFull: Critical current measurement
        Type: general
      – SubjectFull: Electric contactors
        Type: general
      – SubjectFull: Liquid helium
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      – SubjectFull: Magnetic fields
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      – SubjectFull: Temperature
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      – TitleFull: A New Test Station to Measure the Critical Current of Superconducting Strands.
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              Text: Jun2012
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              Y: 2012
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