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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Improvement of Power Factor in a Double-Side Linear Flux-Modulation Permanent-Magnet Motor for Long Stroke Applications
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Improvement of Power Factor in a Double-Side Linear Flux-Modulation Permanent-Magnet Motor for Long Stroke Applications

机译：用于长行程应用的双面线性磁通调制永磁电动机的功率因数改善

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摘要

Cost-effective and high-performance linear motors attract more and more attention for many applications. This paper proposes a novel double-side linear flux-modulation permanent-magnet (DS-LFMPM) motor with low cost, high thrust force density, and high power factor. The novelty of the proposed DS-LFMPM motor is to improve power factor by using double-side topology. Its topology is presented, and its operation principle is investigated. From the harmonic spectrums of the flux density in the air gap before and after the modulation of the mover teeth and the stator teeth, it can be concluded that the proposed motor has good flux-modulation effect. Also, the expression of the orders of the harmonic spectrums is given. The design process of sizes and structure is particularly explained. The electromagnetic performances are predicted by using the finite-element method and the proposed motor is prototyped for verification. The results show that the proposed DS-LFMPM motor can produce high thrust force density and high power factor.
机译：具有成本效益的高性能线性电动机在许多应用中吸引了越来越多的关注。本文提出了一种低成本，高推力密度和高功率因数的新型双面线性磁通调制永磁（DS-LFMPM）电动机。提出的DS-LFMPM电动机的新颖之处在于通过使用双面拓扑来提高功率因数。介绍了其拓扑结构，并研究了其工作原理。从动子齿和定子齿的调制前后的气隙中的磁通密度的谐波谱可知，提出的电动机具有良好的磁通调制效果。此外，给出了谐波频谱阶数的表达式。特别说明尺寸和结构的设计过程。通过使用有限元方法预测电磁性能，并为所提出的电动机进行原型验证。结果表明，所提出的DS-LFMPM电动机可以产生高推力密度和高功率因数。

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