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高温超导直线感应电机的优化设计

, PP. 33-38

Keywords: 高温超导直线感应电机,优化设计,有限元分析,电磁特性,临界电流

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Abstract:

详细讨论了高温超导直线感应电机的结构设计和初级绕组排列方式,给出了高温超导带材临界电流和背景磁场的关系曲线。采用Maxwell有限元电磁分析软件对高温超导直线感应电机进行了详细的电磁分析,并对初级绕组匝数、初级铁心槽高和初级铁心槽宽等关键参数进行了参数扫描和优化,分析了它们对电机电磁力、初级槽漏磁通和电机临界电流的影响,提出了高温超导直线感应电机的优化设计方法。根据得到的高温超导直线感应电机优化设计参数制造了一台完全相同的铜绕组实验样机,测试了样机在不同电流和速度下的推力,对比相同条件下得到的有限元电磁仿真结果,可以得到一个修正推力仿真结果的系数,这个系数对研究不同电机参数的电机推力很有意义。

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