| 直槽与斜槽式永磁无刷电动机的有限元分析 |
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| 引用本文： | 乔静秋,陈旭东,陈立铭,倪光正.直槽与斜槽式永磁无刷电动机的有限元分析[J].电机与控制学报,2001,5(4):229-232,236. |
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| 作者姓名： | 乔静秋 陈旭东 陈立铭 倪光正 |
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| 作者单位： | 1. 宁波大学信息科学与工程学院,
2. 浙江大学电气工程学院, |
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| 基金项目： | 浙江省基金项目（599075） |
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| 摘 要： | 说明了斜槽式永磁电机的分段计算法。利用有限元分段计算法，对电枢斜槽结构的电机车用轮毂式永磁无刷直流电动机的空载和负载磁场进行了计算，并由此算出电动机的反电动势随转子位置角的变化波形和反电势系数曲线；对直槽和斜槽式结构的气隙磁密分布、反电势波形和反电势系数作了比较和分析。接着，用磁链法和能量法分别计算了电动机的自感和互感系数，计算结果与实测值对比，说明计算具有较高的精度。
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| 关 键 词： | 永磁无刷电动机 有限元分析 电枢 直槽结构 斜槽结构 |
| 文章编号： | 1007-449X(2001)04-0229-04 |
Finite element analysis of straight and skewed slot permanent magnet brushless motor |
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| QIAO Jing-qiu,CHEN Xu-dong,CHEN Li-ming,NI Guang-zheng.Finite element analysis of straight and skewed slot permanent magnet brushless motor[J].Electric Machines and Control,2001,5(4):229-232,236. |
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| Authors: | QIAO Jing-qiu CHEN Xu-dong CHEN Li-ming NI Guang-zheng |
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| Affiliation: | QIAO Jing-qiu1,CHEN Xu-dong2,CHEN Li-ming2,NI Guang-zheng2 |
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| Abstract: | D finite element analysis is used to compute the field in a PMBLDCM. The field of a skewed slot motor is solved by a subsection method; the counter EMF and the EMF coefficient are calculated and compared with straight slot. Then the self and mutual inductances are calculated by flux linkage and energy methods. The computed results are verified by the tested values. |
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| Keywords: | Finite element method permanent magnet brushless motor skewed slot |
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