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首页> 外文期刊>Physica, C. Superconductivity and its applications >Measurement of the transport current distribution in a superconducting tape
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Measurement of the transport current distribution in a superconducting tape

机译：测量超导带中的传输电流分布

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摘要

A non-destructive measurement method was applied to evaluate transport current distribution across the width of a superconducting tape. The self-magnetic field over the tape was mapped at a small distance from it. This provided input data for an inverse calculation process through which the current distribution was evaluated. The procedure was used to determine the dynamics of the distribution of AC current in a WIT BSCCO 2223 tape at a zero external magnetic field. A different behaviour was observed for the unsaturated and saturated regimes. The critical current distribution was also determined for transport current I identical with I sub(c). The measurement on the WIT BSCCO 2223 tape showed that at the critical current, the current capacity in the central section was higher than that at the edges.
机译：应用了一种无损测量方法来评估超导带宽度上的传输电流分布。磁带上的自磁场被映射为距离磁带一小段距离。这为逆计算过程提供了输入数据，通过该过程可以评估电流分布。该程序用于确定零外部磁场下WIT BSCCO 2223磁带中交流电流的分布动态。对于不饱和和饱和状态，观察到不同的行为。还确定了与I sub（c）相同的传输电流I的临界电流分布。在WIT BSCCO 2223胶带上进行的测量表明，在临界电流下，中央部分的电流容量高于边缘部分的电流容量。

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