极间隔断Halbach型磁钢的永磁同步电机气隙磁场解析计算及参数分析

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摘要提出将分块式Halbach型磁钢的单片磁钢角度与充磁夹角作为分析参数, 获得基于这两个参数的永磁同步电机的气隙磁场解析模型;系统分析了磁钢厚度、单片磁钢角度与充磁夹角对气隙磁通密度的影响;提出一种性能优于传统Halbach型磁钢的极间隔断Halbach型磁钢新方案, 以获得径向气隙磁通密度更高的基波幅值与更低的波形正弦性畸变率为目标, 分析获得不同极对数下该类磁钢的优化设计方案。通过有限元分析验证了解析模型的正确性, 并验证了合理设计的极间隔断Halbach型磁钢的优越性。

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	范坚坚
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关键词 ：极间隔断Halbach型磁钢, 永磁同步电机, 气隙磁通密度, 解析计算, 参数分析

Abstract：An analytical method is presented, which used magnet angle and magnetizing angle of partition-between-poles Halbach magnet as analytical parameters, then the magnetic field distribution in the airgap region based on these two angles is developed. The influence of magnet thickness, magnet angle, charging angle on the magnetic field distribution in the airgap region is systematically analyzed. A partition-between-poles Halbach magnet, which providing better performance of the magnetic field distribution than the traditional Halbach magnet is presented. In order to require both relative maximum of fundamental amplitude and relative minimum of total harmonic distortion of air-gap flux density, the optimized design project of the magnet is proposed for different pole-pair number. The correctness of the analytical model is verified through FEA, and the superiority of the optimized partition-between-poles Halbach magnet is also verified further through FEA.

Key words： Partition-between-poles Halbach magnet permanent magnet synchronous motor air-gap flux density analytical calculation parameter analysis

收稿日期: 2009-10-21 出版日期: 2014-03-04

PACS:

TM303

作者简介: 范坚坚男, 1980年生, 博士研究生, 研究方向为伺服永磁同步电机系统设计。吴建华男, 1963年生, 博士, 教授, 研究方向为现代电机CAD技术、开关磁阻调速电机及微特电机、电机噪声振动抑制。

引用本文:

范坚坚, 吴建华. 极间隔断Halbach型磁钢的永磁同步电机气隙磁场解析计算及参数分析[J]. 电工技术学报, 2010, 25(12): 40-47. Fan Jianjian, Wu Jianhua. Analytical Calculation and Parameter Analysis of Air-Gap Magnetic Field Distribution in Permanent Magnet Synchronous Motor With Partition-Between-Poles Halbach Magnet. Transactions of China Electrotechnical Society, 2010, 25(12): 40-47.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2010/V25/I12/40

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