期刊文献+

永磁体涡流损耗的分析 被引量:6

Analysis of Eddy Current Loss in Permanent Magnet Motor
下载PDF
导出
摘要 表面式永磁电机永磁体直接与气隙接触,变频供电时产生的较大含量谐波将在永磁体内产生一定的涡流损耗,且由于转子散热较差,将导致永磁体温升较高,容易造成永磁体发生不可逆去磁风险。因此对永磁体涡流损耗的研究有其必要性与重要性。文中针对影响永磁体涡流损耗较大的气隙长度、定子槽口宽度、气隙长度与槽口宽度的配合、永磁体削角等进行分析,通过合理选择电机结构尺寸来降低永磁体涡流损耗,并利用三维有限元法与解析法验证计算规律的正确性。 In the surface -mounted permanent magnet gap, the large number of harmonics caused by SPWM motor, the permanent magnets are exposed in the air inverter supply will lead to eddy current loss in the PMs, furthermore, because of the poor cooling condition of the rotor, the temperature of PMs will be very high, will lead to the irreversible demagnetization. So it is necessary and important to study the eddy current in the PMs~ This paper researched the length of air gap, the width of stator slot, the match of two factors above, cutting angle of the PM, which influence eddy current loss in the PMs most, and reduce the eddy current loss by design the parameters appropriately, and then identified the research by 3D FEM and analytical method.
出处 《微电机》 2015年第6期13-16,22,共5页 Micromotors
关键词 永磁体涡流损耗 气隙长度 槽口宽度 永磁体削角 eddy current loss in the PMs length of air gap width of stator slot cutting angle of the PM
  • 相关文献

参考文献6

  • 1徐永向,胡建辉,邹继斌.表贴式永磁同步电机转子涡流损耗解析计算[J].电机与控制学报,2009,13(1):63-66. 被引量:38
  • 2王晓远,李娟,齐利晓,唐任远.永磁同步电机转子永磁体内涡流损耗密度的计算[J].沈阳工业大学学报,2007,29(1):48-51. 被引量:15
  • 3Dahaman Ishak, Z Q Zhu. Eddy-Current Loss in the Rotor Magnets of Permanent Magnet Brushless Machines Having a Fractional Num- ber of Slots Per Pole [ J ]. IEEE Transactions on Magnetics, 2005, 41 (9) : 2462-2469.
  • 4Jae-Woo Jung, Sang-Ho Lee, Jung-Pyo Hong. Optimum Design for Eddy Current Reduction in Permanent Magnet to Prevent Irreversible Demagnetization [ J ]. Proceeding of International Conference on E- lectrical Machines and Systems, IEEE Conference Publications, 2007 : 949-954.
  • 5Masatsugu Nakano, Haruyuki Kometani, Mitsuhiro Kawamura. A Study on Eddy-Current Losses in Rotors of Surface Permanent-Mag- net Synchronous Machines[ J ]. IEEE Transactions on Industry Ap- plication, 2006, 42(2): 429-435.
  • 6Katsumi Yamazaki, Yu Fukushima, Makoto Sato. Loss Analysis of Permanent MagaaetMotors With Concentrated Windings-Variation of Magnet Eddy Current Loss Due to Stator and Rotor Shapes[ J]. IEEE Transactions on Industry Application, 2009, 5 (4) : 1334-1342.

二级参考文献17

  • 1梁艳萍,陆永平,朱宽宁,戈宝军.汽轮发电机失磁异步运行时转子端部漏磁参数与涡流损耗的分析计算[J].中国电机工程学报,2004,24(11):112-115. 被引量:28
  • 2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
  • 3ZHU Z Q,NG K,SCHOFIELD N,et al. Improved analytical modeling of rotor eddy current loss in brushless machines equipped with surface-mounted permanent magnets[ J]. IEE Proceedings: Electric Power Applications,2004,151 (6) :641 - 650.
  • 4POLINDER H, HOEIJIMAKERS M J. Eddy-current losses in the segmented surface-mounted magnets of a PM machine [ J ]. IEE Proceedings: Electric Power Applications, 1999, 146 ( 3 ) : 261 - 266.
  • 5ZHOU Fengzheng,SitEN Jianxin,FEI Weizhong,et al. Study of retaining sleeve and conductive shield and their influence on rotor loss in high-speed PM BLDC motors [ J ]. IEEE Trans. on Magnetics, 2006,42(10) :3398 - 3400.
  • 6WANG Jiqiang, WANG Fengxiang ,TAO Yu. Analysis of rotor losses for a high speed PM generator[ C ]//Proceedings of the Eighth International Conference on Electrical Machines and Systems. Nanjing, China,2005:889 - 892.
  • 7Boules 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.
  • 8Hor 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.
  • 9Kawase 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.
  • 10Fu 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.

共引文献47

同被引文献36

引证文献6

二级引证文献27

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