摘要
为了降低内置“一”字型永磁电机的齿槽转矩,提出了定子齿部对称偏心圆弧结构的方法降低齿槽转矩。从原理上分析齿槽转矩产生的原因,通过仿真分析得到优化齿部圆弧偏心尺寸,使得齿槽转矩峰值由287 mN·m下降到97 mN·m,有效值由167 mN·m下降为57 mN·m,峰值下降66.2%,有效值下降65.9%,转矩波动由0.416 N·m下降至0.256 N·m,下降了38.4%,齿部偏心圆弧可以降低齿槽转矩及转矩波动。分析优化后的空载反电势谐波,说明优化后对电机整体输出能力影响较小。
In order to reduce the cogging torque of the built-in linear permanent magnet motor,a method of stator tooth symmetrical eccentric arc structure is proposed to reduce cogging torque.The reason for cogging torque is analyzed theoretically.Through simulation analysis,it is found that optimizing the eccentric size of the tooth arc reduces the peak cogging torque from 287 mN·m to 97 mN·m,the effective value from 167 mN·m to 57 mN·m,the peak value decreases by 66.2%,the effective value decreases by 65.9%,and the torque fluctuation decreases from the original 0.416 N·m to 0.256 N·m,with a decrease of 38.4%.The eccentric arc of the tooth can reduce cogging torque and torque fluctuation.Finally,the study analyzes the optimized no-load back electromotive force harmonics indicating a small impact on the overall output capacity of the motor.
作者
宋泽航
杨骅
黄小兰
林品鑫
娄江峰
Song Zehang;Yang Hua;Huang Xiaolan;Lin Pinxin;Lou Jiangfeng(Zhejiang Velle New Energy Automotive Compressor,LTD.,Jiaxing 314000,China;Jiaxibeila Compressor LTD.,Jiaxing 314000,China)
出处
《黑龙江科学》
2025年第24期72-75,共4页
Heilongjiang Science
基金
浙江省领军型创新创业团队项目(2021R01009)。
关键词
涡旋压缩机
永磁同步电机
齿槽转矩
谐波
Scroll compressor
Permanent magnet synchronous motor
Cogging torque
Harmonic
