定子槽磁楔对感应电动机性能的影响

2012 13th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) Pub Date : 2012-05-24 DOI:10.1109/OPTIM.2012.6231861

G. Madescu, M. Greconici, M. Biriescu, M. Mot

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引用次数: 27

摘要

介绍了磁楔在电机中应用的几个方面。狭缝开口扭曲了气隙磁通密度的波形，并产生高次空间谐波，这导致增加的额外损失和转矩波动，并降低了机器的功率因数和效率。采用有限元分析方法研究了定子槽磁楔对异步电动机性能的影响。试验结果与有限元模拟结果非常接近，证明了利用磁楔是提高开槽异步电动机性能的一种很好的解决方案。

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Effects of stator slot magnetic wedges on the induction motor performances

The paper presents some aspects of magnetic wedges application in electrical machines. The slot opening distorts the waveform of the air-gap flux density and produces high order space harmonics, which causes increased additional losses and torque ripples and reduces both the power factor and efficiency of the machines. FEM-analysis is used in order to investigate some effects of stator slot magnetic wedges on an induction motor performances. The test results and FEM-simulations are very close and prove that the utilization of magnetic wedges is a good solution to improve the performances of the induction motor with open stator slots.

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2012 13th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM)

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