| 交替极无轴承永磁电机的悬浮力脉动分析 |
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| 引用本文： | 廖启新,邓智泉,王晓琳,仇志坚,刘艳君,黄燕.交替极无轴承永磁电机的悬浮力脉动分析[J].中国电机工程学报,2007,27(30):49-54. |
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| 作者姓名： | 廖启新 邓智泉 王晓琳 仇志坚 刘艳君 黄燕 |
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| 作者单位： | 南京航空航天大学自动化学院电气工程系,江苏省,南京市,210016 |
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| 摘 要： | Cosequent-Pole无轴承永磁电机的悬浮力与转子转角本质上是无关的，其控制系统因此得以简化，但考虑到谐波因素时，其引起的悬浮力脉动对于系统的悬浮性能产生了不利影响。该文推导了计及谐波的悬浮力统一公式，并以有限元分析对其进行了验证，指出了不同极对数时，产生的悬浮力脉动的情况及原因，并提出了抑制悬浮力脉动的方法，为交替极无轴承永磁电机的设计和优化提供了理论指导。
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| 关 键 词： | 磁悬浮 无轴承 交替极 永磁电机 |
| 文章编号： | 0258-8013（2007）30-0049-06 |
| 收稿时间： | 2006-07-10 |
| 修稿时间： | 2007-04-05 |
Suspension Force Pulse Analysis of Consequent-pole Bearingless PM Motor |
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| LIAO Qi-xin,DENG Zhi-quan,WANG Xiao-lin,QIU Zhi-jian,LIU Yan-jun,HUANG Yan.Suspension Force Pulse Analysis of Consequent-pole Bearingless PM Motor[J].Proceedings of the CSEE,2007,27(30):49-54. |
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| Authors: | LIAO Qi-xin DENG Zhi-quan WANG Xiao-lin QIU Zhi-jian LIU Yan-jun HUANG Yan |
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| Affiliation: | Department of Electrical Engineering, College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, Jiangsu Province, China |
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| Abstract: | Control system of consequent-pole bearingless PM motor is less complicated than those of other types of bearingless machines,since radial suspension force is independent of rotating angle. However,when harmonics of magnetic field in air-gap are taken into account,the radial suspension force ripple can be observed,which affects suspension performance. In this paper,harmonics of magnetic field in air-gap is taken into account for deduction of the model of a CPB PM motor. And the model is proved by FEA simulation. The radial suspension force ripples with different pole pair configurations are discussed. Causes and methods to eliminate suspension force ripple are analyzed. |
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| Keywords: | magnetic suspension bearingless consequent-pole permanent magnet motor |
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