| 多相永磁无刷电动机系统仿真及分析 |
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| 引用本文： | 王宇飞,柴建云,王祥珩.多相永磁无刷电动机系统仿真及分析[J].微特电机,2005,33(10):19-21,43. |
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| 作者姓名： | 王宇飞 柴建云 王祥珩 |
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| 作者单位： | 清华大学,北京,100084 |
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| 摘 要： | 推导了永磁电机电磁转矩和反电势的一般表达式,建立了考虑电感谐波和气隙磁密谐波的多相永磁无刷直流电机数学模型。对具有两套三相绕组互隔30°电角度的六相永磁无刷电动机系统进行仿真并与实验数据比较,结果表明该数学模型能准确分析计算电机的性能,并得出了多相电机可以大大降低转矩波动的结论。
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| 关 键 词： | 多相永磁无刷电动机 电磁转矩 数学模型 转矩脉动 |
| 文章编号： | 1004-7018（2005）10-0019-03 |
| 收稿时间： | 2003-11-04 |
| 修稿时间： | 2003-11-04 |
Simulation and Analysis of Multiphase PM Brushless Motor System |
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| WANG Yu-fei,CHAI Jian-yun,WANG Xiang-heng.Simulation and Analysis of Multiphase PM Brushless Motor System[J].Small & Special Electrical Machines,2005,33(10):19-21,43. |
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| Authors: | WANG Yu-fei CHAI Jian-yun WANG Xiang-heng |
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| Abstract: | The general expressions for electromagnetic torque and back electromagnetic force are derived.The multiphase permanet magnet brushless DC motor(PMBLDCM) mathematical model is established which considers the harmonic components of winding inductances and air gap flux density.The results of simulation and experiment carried out on the six-phase machine system show that the mathematical model can be used to analyze multiphase PMBLDCM and its' system accurately,and multiphase machine can greatly reduce the torque ripples. |
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| Keywords: | multiphase PM brushless motor electromagnetic torque mathematical model torque ripple |
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