Accurate Magnetic Modelling and Performance Analysis of IPM-PMASR Motors
Accurate Magnetic Modelling and Performance Analysis of IPM-PMASR Motors
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IPM-PMASR 电机的精确磁建模和性能分析
DOI：
10.1109/07ias.2007.29
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发表时间：
2007
期刊：
影响因子：
--
通讯作者：
A. Vagati
中科院分区：
文献类型：
--
作者：
E. Armando;P. Guglielmi;G. Pellegrino;M. Pastorelli;A. Vagati
现代IPM电机，适合于大的恒定功率的速度范围内，具有多个磁通屏障转子结构，并显示出相当复杂的磁行为。本文分析了这种电机的磁通-电流关系，提出了一种简化但有效的交叉饱和模型，并通过实验加以验证。此外，引入了新的磁通变量，允许PM和磁阻转矩的严格分离。结果表明，PM的贡献转矩大于预期的PM空载磁通。这可以导致更精确的机器设计和控制策略。
Modern IPM motors, suited to large constant-power speed ranges, have a multiple flux-barrier rotor structure and show a quite complex magnetic behaviour. In this paper the flux-current relationship of such motors is analysed and a simplified but effective model of the cross-saturation phenomenon is proposed and verified by experiment. In addition, new flux variables are introduced, that allow a rigorous splitting of PM and reluctance torques. It is shown that the PM contribution to torque is larger than expected from the PM no-load flux. This can lead to more accurate machine design and control strategies.