同极型结构和零偏置电流控制对磁悬浮轴承损耗影响的试验分析

谢振宇; 吴凯峰; 石庆才; 黄佩珍

同极型结构和零偏置电流控制对磁悬浮轴承损耗影响的试验分析

1.
南京航空航天大学机电学院,南京 210016
2.
南京航空航天大学航空宇航学院飞行器结构力学与控制教育部重点实验室,南京 210016

基金项目: 国家自然科学基金(10702028)

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出版历程
- 收稿日期: 2010-10-04
- 修回日期: 2010-12-13
- 刊出日期: 2011-02-28

Investigation on power loss of homopolar active magnetic bearing with zero-bias current control

1.
College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China
2.
Key Laboratory of Vehicle Structural Mechanics and Control(Ministry of Education), College of Aerospace Engineering,Nanjing University of Aeronautics and Astronautics, Nanjing 210016,China

摘要

摘要: 设计了性能参数相同的同极型和异极型径向磁悬浮轴承并应用于磁悬浮轴承转子试验系统,同时在轴向自由度分别采用有偏置和零偏置电流控制方式,通过试验系统的自由降速试验分析了不同径向磁悬浮轴承结构和轴向电流控制方式对支承损耗的影响.结果表明,同时采用径向同极型结构和轴向零偏置电流控制方式能有效减少磁悬浮轴承的能量损失,对提高全电航空发动机的效率有重要意义.
- 磁悬浮轴承 /
- 同极型结构 /
- 零偏置电流控制 /
- 涡流损耗 /
- 磁滞损耗
Abstract: Homopolar radial active magnetic bearing (AMB) and axial zero-bias current control were introduced into the AMB system in this paper.Influence on power loss of AMB by the two methods was investigated by actual operation of the system.The results show that these two methods can reduce power loss of AMB effectively,and can also be applied to improve efficiency of aero engine as compared with heteropolar radial AMB and axial bias current control.
- active magnetic bearing /
- homopolar structure /
- zero-bias current control /
- eddy current loss /
- hysteresis loss

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参考文献(12)

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