近极槽配合下直驱电机性能分析

微特电机 ›› 2023, Vol. 51 ›› Issue (10): 24-28.

近极槽配合下直驱电机性能分析

兰志勇¹,叶书帆¹,谭皓元¹,罗元钧¹,彭思齐^1,2

1. 湘潭大学自动化与电子信息学院,湘潭 411105; 2. 佛山湘潭大学绿色智造研究院,佛山 528300

收稿日期:2023-06-27 出版日期:2023-10-28 发布日期:2023-10-25
基金资助:
顺德区重点科技项目( 2130218002544)

Performance Analysis of Direct-Drive Motor with Near Slot-Pole Combination

LAN Zhiyong¹, YE Shufan¹, TAN Haoyuan¹, LUO Yuanjun¹, PENG Siqi^1,2

1. College of Automation and Electronic Information, Xiangtan University,Xiangtan 411105, China;
2. Foshan Green Intelligent Manufacturing Institute of Xiangtan University,Foshan 528300,China

Received:2023-06-27 Online:2023-10-28 Published:2023-10-25

摘要/Abstract

摘要： 极槽配合的选择一直作为电机设计的首要问题备受关注。选择 4 种极槽配合,结合直驱电机的绕组系数和齿槽转矩进行分析,主要将齿槽转矩、空载反电动势、气隙磁密与转矩脉动等参数作为衡量电机的性能指标进行对比分析,得出极槽配合为 27 / 28 的直驱电机具有较低的齿槽转矩和转矩脉动、气隙磁密与空载反电动势的谐波含量较小,综合性能较好。为直驱电机在数控机床上的选择及优化提供了一个重要的参考依据。

关键词: 直驱电机, 极槽配合, 齿槽转矩, 转矩脉动

Abstract: The selection of slot-pole combination has always been the primary issue in motor design and has received much attention. Four kinds of slot-pole combinations were selected, and the winding coefficient and cogging torque of the direct-drive motor were combined for analysis. The cogging torque, no-load back electro-motive forces, air-gap flux density and torque ripple were mainly used as the parameters to measure the motor for analysis and comparison. It is concluded that the direct-drive motor with 27 / 28 slot-pole combination has lower cogging torque and torque ripple, and the air-gap fluxdensity and no-load back EMF have smaller harmonic content, and better comprehensive performance. The method provides
an important reference for the selection and optimization of direct-drive motors on CNC machine tools.

Key words: direct-drive motor( DDM), slot-pole combination, cogging torque, torque ripple

中图分类号:

TM351

兰志勇, 叶书帆, 谭皓元, 罗元钧, 彭思齐. 近极槽配合下直驱电机性能分析[J]. 微特电机, 2023, 51(10): 24-28.

LAN Zhiyong, YE Shufan, TAN Haoyuan, LUO Yuanjun, PENG Siqi. Performance Analysis of Direct-Drive Motor with Near Slot-Pole Combination[J]. Small & Special Electrical Machines, 2023, 51(10): 24-28.

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