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首页> 外文期刊>Magnetics, IEEE Transactions on >Comparison of Partitioned Stator Switched Flux Permanent Magnet Machines Having Single- or Double-Layer Windings
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Comparison of Partitioned Stator Switched Flux Permanent Magnet Machines Having Single- or Double-Layer Windings

机译：具有单层或双层绕组的分段定子开关磁通永磁电机的比较

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摘要

A novel type of partitioned stator switched flux permanent magnet (PS-SFPM) machine with either single-layer or double-layer windings is developed in this paper. The proposed PS-SFPM machines have two stators, which separately accommodate the armature windings and the PMs, and between which is the rotor made of iron pieces, while the number of stator poles with PMs may be equal or half of that with armature windings. All the machines are optimized under fixed copper loss for maximum average torque by genetic algorithm. Their electromagnetic performances are compared, such as open-circuit flux-linkages and back-electromotive forces (EMFs), cogging torque, static torque waveforms, average torque against current, PM utilization ratio, and flux-weakening performances. The results show that due to more PM usage and higher open-circuit back-EMF, the PS-SFPM machines having the number of stator poles with PMs the same as that with armature windings exhibit higher average torque, irrespective of the winding topologies, either single-layer or double-layer windings. However, the single-layer winding PS-SFPM machines having the number of stator poles with PMs half of that with armature windings have the best PM usage and the highest ratio of average torque to PM volume, as well as good flux-weakening capability. A prototype machine is manufactured and tested to validate the analyses.
机译：本文开发了一种新型的带单层或双层绕组的分隔定子开关磁通永磁体（PS-SFPM）。提出的PS-SFPM电机有两个定子，分别容纳电枢绕组和永磁体，并且在这两个定子之间是铁片制成的转子，而带有PM的定子磁极数可以等于或等于电枢绕组的定子极数。通过遗传算法，所有机器均在固定铜损下进行了优化，以实现最大平均扭矩。比较了它们的电磁性能，例如开路磁链和反电动势（EMF），齿槽转矩，静态转矩波形，相对于电流的平均转矩，PM利用率和弱磁性能。结果表明，由于使用更多的PM和较高的开路反电动势，具有PM的定子极数与电枢绕组相同的PS-SFPM机器显示出更高的平均转矩，而与绕组的拓扑结构无关单层或双层绕组。但是，具有PM的定子极数仅为电枢绕组的一半的单层绕组PS-SFPM机器具有最佳的PM使用率和最高的平均转矩与PM体积比，并且具有良好的弱磁性能。制造并测试原型机以验证分析结果。

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