Characteristics Analysis of Double-Sided Permanent Magnet Linear Synchronous Motor with Three-Phase Toroidal Windings

IF 0.6 4区计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Applied Computational Electromagnetics Society Journal Pub Date : 2021-01-01 DOI:10.47037/2021.aces.j.360820

Xiaobao Chai, J. Si, Yihua Hu, Yingsheng Li, Dongshu Wang

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Abstract

─ This paper proposes three-phase 120° phase belt toroidal windings (120°-TW) and are applied in a double-sided permanent magnet linear synchronous motor (DSPMLSM), in which the incoming ends of all coils are on the same side and have the same incoming direction. First, the structure of the proposed motor is introduced and its operation principle is analyzed by describing the variation in the armature magnet field versus time. Second, based on the similar volume, magnetic load and electrical load, the initial parameters of the DSPMLSM with different winding arrangements are presented. Then, the finite-element models (FEMs) of the DSPMLSM with 120°-TW (120°-TWDSPMLSM) and traditional toroidal windings (TTW) are established to analyze the distribution of magnetic field, back electromotive force (back-EMF), detent force, thrust, efficiency and so on. Besides, the primary optimization of the detent force is designed. Finally, the results show that the thrust density and efficiency of the 120°TWDSPMLSM is higher than that of DSPMLSM with TTW (TTWDSPMLSM). Index Terms ─ Character analysis, double-sided permanent magnet linear synchronous motor, operation principle, three-phase 120° phase belt toroidal windings, thrust density.

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三相环形绕组双面永磁直线同步电机特性分析

─本文提出了一种应用于双面永磁直线同步电机(DSPMLSM)的三相120°相带环面绕组(120°-TW)，其中所有线圈的进线端在同一侧且进线方向相同。首先，介绍了该电机的结构，并通过描述电枢磁场随时间的变化分析了其工作原理。其次，在体积、磁负载和电负载相似的基础上，给出了不同绕组布置方式下DSPMLSM的初始参数。然后，建立120°-TW(120°-TWDSPMLSM)和传统环向绕组(TTW)的DSPMLSM有限元模型，分析其磁场分布、反电动势(back- emf)、制动力、推力、效率等参数。此外，还对制动力进行了初步优化设计。结果表明，120°TWDSPMLSM的推力密度和效率均高于带TTW的DSPMLSM (TTWDSPMLSM)。指标项──特性分析，双面永磁直线同步电动机，工作原理，三相120°相带环形绕组，推力密度。

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来源期刊

Applied Computational Electromagnetics Society Journal 工程技术-电信学

CiteScore

1.60

自引率

28.60%

发文量

审稿时长

9 months

期刊介绍： The ACES Journal is devoted to the exchange of information in computational electromagnetics, to the advancement of the state of the art, and to the promotion of related technical activities. A primary objective of the information exchange is the elimination of the need to "re-invent the wheel" to solve a previously solved computational problem in electrical engineering, physics, or related fields of study. The ACES Journal welcomes original, previously unpublished papers, relating to applied computational electromagnetics. All papers are refereed. A unique feature of ACES Journal is the publication of unsuccessful efforts in applied computational electromagnetics. Publication of such material provides a means to discuss problem areas in electromagnetic modeling. Manuscripts representing an unsuccessful application or negative result in computational electromagnetics is considered for publication only if a reasonable expectation of success (and a reasonable effort) are reflected. The technical activities promoted by this publication include code validation, performance analysis, and input/output standardization; code or technique optimization and error minimization; innovations in solution technique or in data input/output; identification of new applications for electromagnetics modeling codes and techniques; integration of computational electromagnetics techniques with new computer architectures; and correlation of computational parameters with physical mechanisms.