反电动势和凸极率对高效永磁同步磁阻电机稳态特性影响分析  

Analysis of the Influence of Back-EMF and Saliency Ratio on Steady-State Characteristics of a High Efficiency Permanent Magnet Synchronous Reluctance Motor

作　　者：王瑾[1] 李岩[1] 贾建国[1] 井永腾[1] 张佳霖 Wang Jin;Li Yan;Jia Jianguo;Jing Yongteng;Zhang Jialin(National Engineering Research Center for Rare Earth Permanent Magnet Machines Shenyang University of Technology,Shenyang 110870,China)

机构地区：[1]沈阳工业大学国家稀土永磁电机工程技术研究中心,沈阳110870

出　　处：《电工技术学报》2020年第22期4688-4698,共11页Transactions of China Electrotechnical Society

基　　金：辽宁省高校创新团队(LT2017003);辽宁省高等学校科研重点(LZGD2017042)资助项目。

摘　　要：参数E0/U和凸极率ρ对于永磁同步磁阻电机的设计和能效提高至关重要。首先,该文推导得出不同E0/U状态下功率因数与凸极率的对应关系。其次,计算出在ρ-E0/U坐标面上电流、铜耗、铁耗的分布规律,得到损耗最小区域;并提出了永磁同步磁阻结构在高能效电机应用上的“掌心”设计原则。最后,设计并制造一台5.5kW样机,电机能效达到IE5,永磁体用量比传统结构永磁同步电机减少30%,验证了设计原则的正确性。The parameters of E0/U and saliency ratioρare crucial for the design and efficiency improvement of permanent magnet synchronous reluctance motor(PMSRM).Firstly,the relationship between power factor and saliency ratio under different E0/U states is deduced.Secondly,the distributions of current,copper loss and core loss on theρ-E0/U coordinate plane are calculated,and the minimum loss area is obtained.The“palm”design principle of PMSRM applied in high-efficiency motor is proposed.Finally,a 5.5kW prototype was designed and manufactured.The efficiency of the prototype reached IE5,and the consumption of permanent magnet of the PMSRM was 30%less than that of the conventional permanent magnet synchronous motor,which verified the design principle.

关 键 词：永磁同步磁阻电机 高效电机 IE5 凸极率 

分 类 号：TM351[电气工程—电机]