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

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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Abstract

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.

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