次谐波同步电机的优化设计

IF 1.9 3区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
S. M. Sajjad Hossain Rafin;Qasim Ali;Hossam Hussein;Osama A. Mohammed
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引用次数: 0

摘要

本文提出了一种亚谐波同步电机的优化设计方法,以最大限度地减少转矩脉动,提高大功率电动汽车应用的性能。该设计采用了一种新颖的转子谐波绕组结构,并利用先进的偏斜技术来实现磁力的最佳空间分布。利用Ansys Maxwell软件对额定输出功率为1.3 kW、功率为900 r/min的8极、48槽shsm进行了有限元分析。与之前的设计相比,优化后的两层和三层shsm的转矩波动分别减少了83.94%和86.84%。这种改进归功于谐波绕组的均匀分布和仔细校准的转子倾斜,这两者都提高了空间效率和转子上的磁场均匀性。这些配置实现了较低的转矩脉动,并保持高效率和有竞争力的平均转矩输出,使其成为传统绕线转子同步电机(wrsm)和永磁同步电机(pmms)的合适替代品。研究结果验证了优化后的SHSMs作为电动汽车推进的高性能无刷解决方案的潜力,有助于同步电机设计和可持续交通技术的进步。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimized Design of Sub-Harmonic Synchronous Machines
This article presents an optimized design approach for sub-harmonic synchronous machines (SHSMs) to minimize torque ripple and improve performance for high-power electric vehicle applications. The proposed design incorporates a novel rotor harmonic winding configuration and utilizes advanced skewing techniques to achieve optimal spatial distribution of magnetic forces. Using Ansys Maxwell software, finite element analysis (FEA) was conducted on eight-pole, 48-slot SHSMs with a rated output of 1.3 kW and 900 r/min. Compared to earlier designs, the optimized two-layer and three-layer SHSMs demonstrated significant reductions in torque ripple—83.94% and 86.84%, respectively. This improvement is attributed to the uniform distribution of harmonic windings and carefully calibrated rotor skewing, both of which enhance spatial efficiency and magnetic field uniformity across the rotor. These configurations achieve lower torque ripple and maintain high efficiency and competitive average torque output, making them suitable alternatives to conventional wound rotor synchronous machines (WRSMs) and permanent magnet synchronous machines (PMSMs). The findings validate the potential of the optimized SHSMs as high-performance, brushless solutions for electric vehicle propulsion, contributing to advancements in synchronous machine design and sustainable transportation technologies.
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来源期刊
IEEE Transactions on Magnetics
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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