论文标题
高-TC超导发电机的二维模型
Two-dimensional model of a high-Tc superconducting dynamo
论文作者
论文摘要
高温超导发电机能够低损失无接触式泵送大型直流电流进入超导磁铁线圈。我们提出了此类设备的模型,并使用有效的数值方法来计算通过装载的永久磁铁的薄超导定子条引起的二维环电流和电场。我们还发现在开路条件下在定子中产生的电压。结果表明,如果永久磁铁的长度与脱带宽度相当或小,则先前作品中使用的一维模型可能是不准确的。
High temperature superconducting dynamos are capable of low loss contactless pumping large dc currents into superconducting magnet coils. We present a model of such devices and use efficient numerical methods for computing the two-dimensional loop currents and electric fields induced in the thin superconducting stator strip by a dynamo rotor mounted permanent magnet. We find also the voltages generated in the stator under the open circuit conditions. It is shown that if the length of a permanent magnet is comparable to or smaller than the strip width, the one-dimensional model employed in the previous works can be inaccurate.