混合励磁双定子磁悬浮开关磁阻电机电磁特性分析
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摘要
针对传统电励磁双定子磁悬浮开关磁阻电机受内定子尺寸限制,不能产生较大悬浮力的问题,提出一种新型混合励磁双定子磁悬浮开关磁阻电机,将电励磁与高性能稀土永磁材料相结合,提高径向承载能力。在分析该电机结构与工作原理的基础上,构建等效磁路并进行分析计算,获得悬浮力计算模型;利用有限元方法仿真分析电机的静态电磁特性,如悬浮力特性、电感特性、转矩特性、偏心特性、永磁体对电磁性能的影响,并与传统电励磁双定子磁悬浮开关磁阻电机的悬浮力特性进行比较,仿真结果验证了所提出电机在结构上能够实现悬浮力与转矩的解耦,同时具有较大的径向承载能力。
Aiming at the limitation of the stator size and the insufficient suspension force of the traditional electric-excitation double-stator bearingless switched reluctance motor( DSBSRM),this paper presented a novel hybrid excitation DSBSRM,which combined DSBSRM and high performance rare-earth permanent magnet material to improve the radial bearing capacity. The basic structure and principle of the proposed motor was analyzed. The equivalent magnetic circuit was built and calculated to obtain the suspension force model.The static electromagnetic performance was obtained by the finite element simulation,including suspension characteristics,inductance characteristics,torque characteristics,eccentricity characteristics and the effect of permanent magnet on electromagnetic performance. The suspension characteristics of the proposed motor was compared with the electric-excitation DSBSRM. The simulation results show that the proposed motor has a large radial bearing capacity and can realize the decoupling of suspension force and torque.
Aiming at the limitation of the stator size and the insufficient suspension force of the traditional electric-excitation double-stator bearingless switched reluctance motor( DSBSRM),this paper presented a novel hybrid excitation DSBSRM,which combined DSBSRM and high performance rare-earth permanent magnet material to improve the radial bearing capacity. The basic structure and principle of the proposed motor was analyzed. The equivalent magnetic circuit was built and calculated to obtain the suspension force model.The static electromagnetic performance was obtained by the finite element simulation,including suspension characteristics,inductance characteristics,torque characteristics,eccentricity characteristics and the effect of permanent magnet on electromagnetic performance. The suspension characteristics of the proposed motor was compared with the electric-excitation DSBSRM. The simulation results show that the proposed motor has a large radial bearing capacity and can realize the decoupling of suspension force and torque.
引文
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[10] Uddin W,Sozer Y. Analytical Modeling of Mutually Coupled Switched Reluctance Machines Under Saturation Based on Design Geometry[C]. IEEE International Electric Machine and Drives Conferences,2015:133-138.
[11] Chieh Lin F,Ming Yang M. An Approach to Producing Controlled Radial Force in a Switched Reluctance Motor[J]. IEEE Transactions on Industrial Electronics,2007,54(4):2137-2146.
[12] Chen L,Hofmann W. Speed Regulation Technique of one Bearingless 8/6 Switched Reluctance Motor with Simpler Single Winding Structure[J]. IEEE Transaction on Industrial Electronics,2012,59(6):2592-2600.
[13] Zhen yao X,Feng ge Z,Hee Lee D,et al. Design and Analysis of Novel 12/14 Hybrid Pole Type Bearingless Switched Reluctance Motor with Short Flux Path[J]. Journal of Electrical Engineering and Technology,2012,7(5):705-713.
[14] Lee D H,Wang H J,Ann J W. Modeling and Control of Novel Bearingless Switched Reluctance Motor[C]. IEEE Energy Conversion Congress and Exposition,2009:276-281.
[15]周云红,孙玉坤.一种双定子型的磁悬浮开关磁阻双通道全周期发电机[J].中国电机工程学报,2015,35(9):2295-2303.
[16]周云红,孙玉坤.一种双定子型磁悬浮开关磁阻起动/发动机的运行原理与实现[J].中国电机工程学报,2014,34(36):6458-6466.
[17]孙玉坤,杨凯,朱志莹,等.单绕组磁悬浮开关磁阻发电机励磁模式研究[J].电机与控制学报,2017,21(1):59-68.
[18]刘泽远,邓智泉,陈小元.无轴承开关磁阻电机拓扑及解耦机理分析[J].南京航空航天大学学报,2016,48(5):732-740.
[2]吴建华.开关磁阻电机设计与应用[M].北京:机械工业出版社,2000.
[3] Humiston T,Pillay P,Faiz J. The Switched Reluctance Motor Drive for Distributed Generation[C]. Symposium Magnetic Suspension Technology,2006:669-674.
[4] Takemoto M,Chiba A,Akagi H,et al. Radial Force and Torque of a Bearingless Switched Reluctance Motor Operating in a Region of Magnetic Saturation[J]. IEEE Transactions on Industry Application,2004,40(1):103-112.
[5] Choi B B,Siebert M. A Bearingless Switched Reluctance Motor for High Specific Power Applications[C]. 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference&Exhibit,2006.
[6]邓智泉,杨钢,张媛,等.一种新型的无轴承开关磁阻电机数学模型[J].中国电机工程学报,2005,25(9):139-146.
[7] Takemoto M,Suzuki H,Chiba A,et al. Improved Analysis of a Bearingless Switched Reluctance Motor[J]. IEEE Transaction on Industry Applications,2001,37(1):26-34.
[8] Takemoto M,Shimada K,Chiba A,et al. A Design and Characteristics of Switched Reluctance Type Bearingless Motors[C]. Proceeding of the 4th International Transactions on Industrial Electronics,2012:2592-2600.
[9] Kabir M A,Husain I. Design of Mutually Coupled Switched Reluctance Motors(MCSRMs)for Extended Speed Applications Using 3-phase Standard Inverters[J]. IEEE Transactions on Energy Conversion,2016,31(2):436-445.
[10] Uddin W,Sozer Y. Analytical Modeling of Mutually Coupled Switched Reluctance Machines Under Saturation Based on Design Geometry[C]. IEEE International Electric Machine and Drives Conferences,2015:133-138.
[11] Chieh Lin F,Ming Yang M. An Approach to Producing Controlled Radial Force in a Switched Reluctance Motor[J]. IEEE Transactions on Industrial Electronics,2007,54(4):2137-2146.
[12] Chen L,Hofmann W. Speed Regulation Technique of one Bearingless 8/6 Switched Reluctance Motor with Simpler Single Winding Structure[J]. IEEE Transaction on Industrial Electronics,2012,59(6):2592-2600.
[13] Zhen yao X,Feng ge Z,Hee Lee D,et al. Design and Analysis of Novel 12/14 Hybrid Pole Type Bearingless Switched Reluctance Motor with Short Flux Path[J]. Journal of Electrical Engineering and Technology,2012,7(5):705-713.
[14] Lee D H,Wang H J,Ann J W. Modeling and Control of Novel Bearingless Switched Reluctance Motor[C]. IEEE Energy Conversion Congress and Exposition,2009:276-281.
[15]周云红,孙玉坤.一种双定子型的磁悬浮开关磁阻双通道全周期发电机[J].中国电机工程学报,2015,35(9):2295-2303.
[16]周云红,孙玉坤.一种双定子型磁悬浮开关磁阻起动/发动机的运行原理与实现[J].中国电机工程学报,2014,34(36):6458-6466.
[17]孙玉坤,杨凯,朱志莹,等.单绕组磁悬浮开关磁阻发电机励磁模式研究[J].电机与控制学报,2017,21(1):59-68.
[18]刘泽远,邓智泉,陈小元.无轴承开关磁阻电机拓扑及解耦机理分析[J].南京航空航天大学学报,2016,48(5):732-740.