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Eddy-Current Losses Calculation of Variable Frequency Motor Based on Finite Element Method
Author(s): 
Pages: 127-130
Year: Issue:  1
Journal: Journal of Gansu Sciences

Keyword:  有限元异步变频涡流转子;
Abstract: 针对异步变频电机转子涡流损耗比较严重的问题,提出了应用一种基于有限元法的电机失磁运行转子计算方法,该方法能够通过节点计算和励磁绕组的分割对转子的涡流损耗进行有效计算.利用实验对有无转子情况下的转子与定子损耗进行了分析,发现该计算值与实验值具有很好的一致性,并对该电机的运行装态下转子磁场进行了测试,电场强度和磁通密度分布都是非正弦的,这反映了转子d、q轴结构差异的影响.
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