| 转子斜极对永磁开关磁链电机性能影响的研究 |
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| 引用本文： | 费伟中,沈建新.转子斜极对永磁开关磁链电机性能影响的研究[J].微电机,2007,40(2):1-4,36. |
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| 作者姓名： | 费伟中 沈建新 |
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| 作者单位： | 浙江大学,电气工程学院,杭州,310027 |
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| 基金项目： | 教育部留学回国人员科研启动基金;人事部择优资助基金 |
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| 摘 要： | 永磁开关磁链电机兼具开关磁阻电机和永磁无刷电机的优点，结构简单、转矩和能量密度大、效率高，而且具有良好的弱磁能力。但是这种电机的齿槽定位转矩或不对称径向力一般也比较高。分析了转子斜极对其不对称径向力、齿槽定位转矩和反电势等性能的影响，并用两种不同结构的电机进行对比研究。研究表明，采用合适角度的转子斜极可以使电机各项性能得到明显改善。
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| 关 键 词： | 无刷直流电动机 开关磁阻电动机 转子斜极 不对称径向力 齿槽转矩 反电动势 |
| 文章编号： | 1001-6848（2007）02-0001-04 |
| 修稿时间： | 2006-02-12 |
Study on the Influence of Rotor-Skewing on Performance of PM Flux Switching Machines |
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| FEI Wei-zhong,SHEN Jian-xin.Study on the Influence of Rotor-Skewing on Performance of PM Flux Switching Machines[J].Micromotors,2007,40(2):1-4,36. |
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| Authors: | FEI Wei-zhong SHEN Jian-xin |
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| Affiliation: | College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China |
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| Abstract: | PM flux switching machines contain the merits of both switched reluctance machine and PM machine, such as the simple structure, high torque density and efficiency, as well as the flux-weakening capability. However, their cogging torque or unbalanced radial force is usually high, deteriorating the machine performance. In this paper, the influence of rotor-skewing on the machine performance, such as the unbalanced radial force, cogging torque and back EMF, is analyzed, with two different prototypes being comparatively studied. It is verified that the machine performance can be significantly improved with appropriate rotor-skewing. |
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| Keywords: | BLDCM SRM Rotor-Skewing Unbalanced radial force Cogging torque Back-EMF |
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