| 双极性分块转子开关磁阻电机 |
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| 引用本文： | 陈小元,邓智泉,范娜,许培林,连广坤.双极性分块转子开关磁阻电机[J].电机与控制学报,2010,14(10). |
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| 作者姓名： | 陈小元 邓智泉 范娜 许培林 连广坤 |
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| 作者单位： | 南京航空航天大学自动化学院; |
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| 基金项目： | 航空基础科学基金，新世纪优秀人才支持计划，南京航空航天大学研究生创新基地(实验室)开放基金 |
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| 摘 要： | 针对单极性励磁时四相8/6结构分块转子开关磁阻电机的定子磁通冲突问题,把双极性励磁方法应用于四相8/6结构分块转子开关磁阻电机,基于2D有限元建立双极性分块转子开关磁阻电机的场路耦合模型,计算双极性分块转子开关磁阻电机的电流、转矩及铜耗,并在(r,θ)坐标系中细致描述定子铁心和转子铁心特征区域的磁密周期性变化规律,最后应用双频法分离铁损获得铁心的涡流损耗和磁滞损耗.计算结果表明,与同等双极性励磁的8/6结构双极性普通开关磁阻电机相比,8/6结构双极性分块转子开关磁阻电机的转矩脉动大,但铜耗减小约32%,铁耗减小约35%.
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| 关 键 词： | 开关磁阻电机 分块转子 双极性励磁 损耗 磁通密度 |
Bipolar switched reluctance motors with segmental rotor |
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| CHEN Xiao-yuan,DENG Zhi-quan,FAN Na,XU Pei-lin,LIAN Guang-kun.Bipolar switched reluctance motors with segmental rotor[J].Electric Machines and Control,2010,14(10). |
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| Authors: | CHEN Xiao-yuan DENG Zhi-quan FAN Na XU Pei-lin LIAN Guang-kun |
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| Affiliation: | CHEN Xiao-yuan,DENG Zhi-quan,FAN Na,XU Pei-lin,LIAN Guang-kun(College of Automation Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China) |
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| Abstract: | A four-phase 8/6 bipolar switched reluctance motors with segmental rotor(SSRM) which was excitated with bipolar currents by four identical H-bridges insuring no collision of the magnetic flux in the stator teeth was proposed.The operation principle of the bipolar SSRM was explained and the basic characteristics of bipolar SSRM,such as magnetic field distribution,torque,phase currents and copper loss,are obtained with 2D finite element coupled field-circuit computation,and the periodic distribution and chang... |
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| Keywords: | switched reluctance motors segmental rotor bipolar excitation loss magnetic flux density |
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