期刊文献+

永磁同步电机转子永磁体内涡流损耗密度的计算 被引量:15

Calculation of eddy current loss density distribution in permanent magnet of PMSM
下载PDF
导出
摘要 针对钕铁硼永磁材料提出了一个计算永磁同步电机转子永磁体内涡流损耗密度的公式.通过三维电磁场有限元方法,求解了电机内的磁场并计算出了永磁体内的涡流损耗,验证了公式的正确性.在分析计算中考虑了电机复杂三维结构的特点,同时根据对称性,取电机的一个极范围作为分析的简化模型.为了能很好地分析和画出精确的涡流波形,对每一个周期取100个时间子步作瞬态分析,并且在划分有限元单元时考虑了磁场的透入深度.最后根据计算结果的比较得出影响永磁体内涡流损耗的因素. For NdFeB material, a formula is proposed to calculate eddy current loss density distribution in the permanent magnet of PMSM. The magnetic field of motor and the eddy current loss in PM are both solved based on FEM for three-dimensional electric magnetic field. One pole of motor is chosen as the simplified analyzing model according to symmetry with the complicated three-dimensional feature of PMSM. Every cycle is divided into 100 time steps to make instantaneous analysis so that desirable analysis and precise waveform of eddy current can be acquired. Also, skin depth of magnetic field is taken into account when finite elements are divided. As a result, the influencing factor of eddy current loss is obtained according to the calculation and the formula is verified.
出处 《沈阳工业大学学报》 EI CAS 2007年第1期48-51,共4页 Journal of Shenyang University of Technology
基金 国家863计划资助项目(2002AA324020)
关键词 涡流损耗 有限元方法 永磁体 磁场 瞬态分析 eddy current loss finite element method pemanent magnet magnetic field transient analysis
  • 相关文献

参考文献10

  • 1唐任远.稀土永磁电机的关键技术与高性能电机开发[J].沈阳工业大学学报,2005,27(2):162-166. 被引量:35
  • 2Zhu Z Q,Howe D.Instantaneous magnetic field distribution in brushless permanent magnet dc motors,parts Ⅰ-Ⅳ[J].IEEE Transactions on Magnetic,1993,29:124-158.
  • 3Atallah K,Howe D,Melior P H,et al.Rotor loss in permanent magnet brushless AC machine[ J ].IEEE Transactions on Industry Applications,2000,36 (6):1612-1618.
  • 4Boules N.Impact of slot harmonics on losses of highspeed permanent magnet machines with a magnet retaining ring[ J ].Electric Machines and Electromechanics,1981(6):527-539.
  • 5Hor P J,Zhu Z Q,Howe D.Eddy-current lcss in a moving-coil tubular permanent magnet motor[J ].IEEE Transactions on Magnetics,1999,35 (5):3601-3603.
  • 6郑勤红,解福瑶,马力,钱双平.用多极理论分析载流导体涡流场问题[J].中国电机工程学报,2000,20(2):1-4. 被引量:5
  • 7Kawase Y,Ota T,Fukunaga H.3-D eddy current analysis in permanent magnet of interior permanent magnet motors[ J ].IEEE Transactions on Magnetics,2000,36(4):1863-1866.
  • 8Fu W N,Liu Z J.Estimation of eddy-current loss in permanent magnets of electric motors using networkfield coupled multislice time-stepping finite-element method[ J ].IEEE Transactions on Magnetics,2002,38(2):1225-1228.
  • 9雷银照,熊华俊,王书彬.线性瞬态涡流场定解问题中的法向边界条件与解的唯一性[J].中国电机工程学报,2003,23(4):81-85. 被引量:25
  • 10魏鸿磊,顾元宪,陈飚松.瞬态电磁场问题求解的精细积分方法[J].沈阳工业大学学报,2003,25(1):43-46. 被引量:5

二级参考文献17

共引文献64

同被引文献121

引证文献15

二级引证文献72

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部