| 外转子无刷直流电机电磁场的数值计算 |
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| 引用本文： | 魏建华,叶红春.外转子无刷直流电机电磁场的数值计算[J].华北电力大学学报,2005,32(6):1-4. |
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| 作者姓名： | 魏建华 叶红春 |
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| 作者单位： | 1. 海军工程大学,电气与信息工程学院,湖北,武汉,430033
2. 海军91367部队,海南,海口,570000 |
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| 摘 要： | 定转子的结构、齿槽影响着电机的反电势波形、气隙磁密等,进而也影响电机运行性能。采用有限元法对外转子无刷直流电动机的电磁场进行数值计算,分析了斜槽与反电势波形的关系,提出了采用运动气隙边界法处理定转子相对运动的方法,并且考虑到了定子斜槽的影响。
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| 关 键 词： | 运动气隙边界法 有限元法 斜槽 |
| 文章编号： | 1007-2691(2005)06-0001-04 |
| 收稿时间： | 2005-06-20 |
| 修稿时间： | 2005年6月20日 |
Calculation of electromagnetic field of exterior rotor BLDCM |
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| WEI Jian-hua,YE Hong-chun.Calculation of electromagnetic field of exterior rotor BLDCM[J].Journal of North China Electric Power University,2005,32(6):1-4. |
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| Authors: | WEI Jian-hua YE Hong-chun |
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| Affiliation: | 1. College of Electrical and Information Engineering, Navy University of Engineering, Wuhan 430033, China; 2. PLA Navy Number 91367, Haikou 570000, China |
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| Abstract: | The back electromotive force wave and magnetic field of the brushless direct current motor(BLDCM)are affected by the action of the tooth,slot and structure of stator and rotor,consequently influenced smoothrunning of the motor.The electromagnetic field of the exterior rotor BLDCM is analyzed and calculated with finiteelement method.The relation between skewed slot coefficient and back electromotive force wave is analyzed.Borderline slippage method is applied to deal with the relative movement between stator and roter.The influenceof skewed slot is considered. |
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| Keywords: | borderline slippage method finite element method skewed slot |
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