Electromagnetic Performance Analysis of a New Stator-Permanent-Magnet Doubly Salient Flux Memory Motor Using a Piecewise-Linear Hysteresis Model

Electromagnetic Performance Analysis of a New Stator-Permanent-Magnet Doubly Salient Flux Memory Motor Using a Piecewise-Linear Hysteresis Model
复制标题

使用分段线性磁滞模型分析新型定子永磁双凸极磁通记忆电机的电磁性能

DOI:
10.1109/tmag.2010.2072986
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发表时间:
2010-05
影响因子:
2.1
通讯作者:
Hua, Wei
Hua, Wei
中科院分区:
工程技术4区
文献类型:
--
作者:
Quan, Li;Sun, Xikai;Cheng, Ming;Zhu, Xiaoyong;Chen, Dajian;Hua, Wei

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磁通记忆的概念是由于电机中AlNiCo永磁体(AlNiCo-PM)的磁化水平可以通过临时直流电流脉冲调节并自动记忆的性质。提出了一种新型的记忆电机,即定子永磁双凸极磁链记忆电机。关键是将AlNiCo-PM和NdFeB-PM结合到所提出的记忆电机中。因此,由此产生的新的记忆电机不仅可以保持高的功率密度,但也提供了有效的气隙磁通控制。为了准确分析定子永磁DSFM电机,分段线性磁滞模型中采用的时间步进有限元法。通过对电机静态和瞬态电磁特性的仿真,验证了该方法的有效性。
The concept of flux memory is due to the nature that the magnetization level of the AlNiCo permanent magnet (AlNiCo-PM) in the motor can be regulated by a temporary dc current pulse and memorized automatically. In this paper, a new type of memory motor, namely the stator-permanent-magnet (stator-PM) doubly salient flux memory (DSFM) motor is proposed. The key is to incorporate both AlNiCo-PM and NdFeB-PM into the proposed memory motor. Thus, the resulting new memory motor can not only retain high power density, but also offer efficient air-gap flux control. To accurately analyze the stator-PM DSFM motor, a piecewise-linear hysteresis model is employed in the time-stepping finite element method. Both static and transient electromagnetic performances of the motor are given to verify the validity of the new method.
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