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Abstract <p>A power source has been developed that generates various configurations of alternating-current oscillations of a given duration. The source current adds heat to a superconductor in small controlled portions, which allows studying dynamic processes on alternating current with amplitudes <i>I</i><sub>a</sub> exceeding the average critical values <i>I</i><sub>c</sub>. It is possible to predict the appearance of a narrow normal zone and determine the conditions for stable operation of the superconductor at <i>I</i><sub>a</sub> &gt; <i>I</i><sub>c</sub>. On SuperOx superconducting tapes with a thin copper coating, the process of developing thermal instability up to the material burnout was observed.</p>

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AC Oscillation Former for Superconductor Research

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • E. P. Krasnoperov,
  • N. S. Levchenko,
  • A. V. Prutkov

摘要

Abstract

A power source has been developed that generates various configurations of alternating-current oscillations of a given duration. The source current adds heat to a superconductor in small controlled portions, which allows studying dynamic processes on alternating current with amplitudes Ia exceeding the average critical values Ic. It is possible to predict the appearance of a narrow normal zone and determine the conditions for stable operation of the superconductor at Ia > Ic. On SuperOx superconducting tapes with a thin copper coating, the process of developing thermal instability up to the material burnout was observed.