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Magnetic field and eddy current analysis of permanent magnet eddy current coupling

机译:永磁涡流耦合的磁场和涡流分析

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The magnetic field distribution and eddy current density of the permanent magnet eddy current coupling has a great influence on the performance of the coupling. If the air gap between the inner and outer rotor is far less than the axial size, and negligible side effect, then the coupling of magnetic field can be simplified as a two-dimensional planar magnetic field. First of all, the mathematical model of magnetic field and eddy current should be created, then use MATLAB to carry on the numerical calculation, Finally use ANSYS Maxwell finite element analysis to verify. The performance of thickness of air gap, thickness of yoke irons, thickness of permanent magnets and thickness of the copper ring was studied respectively, to provide useful guidance to both design and practical application of magnetic coupling.
机译:永磁涡流耦合器的磁场分布和涡流密度对耦合性能有很大影响。如果内转子和外转子之间的气隙远小于轴向尺寸,并且副作用可忽略不计,则磁场的耦合可以简化为二维平面磁场。首先,应建立磁场和涡流的数学模型,然后使用MATLAB进行数值计算,最后使用ANSYS Maxwell有限元分析进行验证。分别研究了气隙厚度,轭铁厚度,永磁体厚度和铜环厚度的性能,为磁耦合的设计和实际应用提供了有益的指导。

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