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首页> 外文期刊>IEEE Transactions on Magnetics >Influence of Interlocking on Magnetic Properties of Electrical Steel Laminations
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Influence of Interlocking on Magnetic Properties of Electrical Steel Laminations

机译：互锁对电工钢叠片磁性能的影响

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摘要

Interlocking is a suitable method to fix iron cores made of electrical steel sheets along the stack direction. However, this will increase iron loss of the core and, as a result, lower the efficiency and power density of electrical machines. In this paper, the influence of interlocking on the magnetic properties of ring cores is studied and evaluated by measurements. A linear increase of the inverse of magnetic field and iron loss with increasing number of interlocks shows that the influence of interlocking is local. This behavior coincides with the proposed model. Interlaminar eddy currents have no serious impact on the iron-loss properties. Averaged magnetic properties of the magnetically deteriorated regions are calculated according to the magnetic model. These data will be useful for accurate finite-element method calculations of iron losses in electrical machines.
机译：互锁是一种沿堆叠方向固定电工钢板制成的铁芯的合适方法。但是，这会增加铁心的铁损，结果，会降低电机的效率和功率密度。本文研究了互锁对环芯磁性能的影响，并通过测量对其进行了评估。随着联锁数量的增加，磁场和铁损的反比线性增加，表明联锁的影响是局部的。此行为与建议的模型一致。层间涡流对铁损特性没有严重影响。根据磁性模型计算出磁性劣化区域的平均磁性。这些数据将对电机中铁损的精确有限元方法计算有用。

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