基于谐波畸变效应的永磁直线电机功率因数特性研究与分析

IF 2.1 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Magnetics Pub Date : 2024-12-17 DOI:10.1109/TMAG.2024.3519168

Dingying Wu;Jin Xu

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引用次数: 0

摘要

研究了调制比效应（MRE）下永磁直线电机的功率因数特性。由于机器的MRE， PMLM对推力产生有更有效的谐波，但它也有更低的PF值。为了研究功率因数与MRE之间的关系，推导了不同控制策略下的功率因数，揭示了电机的较低功率因数，并定义了谐波失真率。然后，对不同拓扑结构的永磁电机磁场和谐波畸变进行了分析和比较；对8种不同槽极组合的模型进行了比较和评价。最后，12槽/10极和12槽/14极组合均具有较低的$k_{\text {MR}}$和较高的功率因数，研究结果证明了所提方法的可行性，为功率因数优化和整机设计提供了途径。

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Investigation and Analysis of Power Factor Characteristics Based on the Harmonic Distortion Effect for the Permanent Magnet Linear Machine

This article investigates the power factor characteristics of the permanent magnet linear machine (PMLM) with the modulation ratio effect (MRE). Due to the machine MRE, the PMLM has more effective harmonics for the thrust force production, but it also has lower PF value. To investigate the relationship between the power factor and MRE, the power factor has been derived under different control strategies, the lower power factor in machine has been revealed, and the harmonic distortion ratio has been defined. Then, the magnetic field and the harmonic distortion of different permanent magnet (PM) machine topologies have been analyzed and compared; eight models with various combinations of slot and pole have been compared and evaluated. Finally, both the 12-slot/10-pole and 12-slot/14-pole combinations have lower

$k_{\text {MR}}$

and higher power factor, and the research results have provided the feasibility of the proposed method, which provides an approach in the power factor optimization and machine design.

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来源期刊

IEEE Transactions on Magnetics 工程技术-工程：电子与电气

CiteScore

4.00

自引率

14.30%

发文量

565

审稿时长

4.1 months

期刊介绍： Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The IEEE Transactions on Magnetics publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.