基于压缩机用磁场调制电机的谐波影响分析  

Analysis of Harmonics Effect on Magnetic Field Modulation Motor for Compressors

作　　者：李宗洋 徐飞 程云峰 毛临书 柴凤[4] LI Zongyang;XU Fei;CHENG Yunfeng;MAO Linshu;CHAI Feng(Guangdong Meizhi Compressor Co.,Ltd.,Foshan 528333,China;Midea Group Co.,Ltd.,Foshan 528333,China;Midea Welling Motor Technology(Shanghai)Co.,Ltd.,Shanghai 201210,China;School of Electrical Engineering and Automation,Harbin Institute of Technology,Harbin 150001,China)

机构地区：[1]广东美芝制冷设备有限公司,佛山528333 [2]美的集团股份有限公司,佛山528333 [3]美的威灵电机技术(上海)有限公司,上海201210 [4]哈尔滨工业大学电气工程及自动化学院,哈尔滨150001

出　　处：《微特电机》2024年第11期1-7,共7页Small & Special Electrical Machines

摘　　要：磁场调制技术利用磁场谐波产生电磁转矩,同时也会对电机损耗、效率、噪声产生一定影响。分析了磁场调制技术对电机磁场谐波的影响,揭示了谐波对电机转矩特性的影响机理。分析并对比了实测电流下的径向电磁力,揭示了不同磁场谐波对主要径向电磁力的影响。提出了基于高阶磁导调制结构的噪声抑制技术,改善了磁场调制技术产生的主要径向电磁力,降低了压缩机电机的噪声,提高了磁场调制技术在压缩机电机中的应用价值,并通过实验验证了技术的有效性。The magnetic field modulation method generates electromagnetic torque by utilizing the magnetic-field harmonics,which also significantly affects losses,efficiency,and noise.The influence of the magnetic field modulation technology on the magnetic-field harmonics of the motor was analyzed,and the influencing mechanism of harmonics on the torque characteristics was revealed.The radial electromagnetic force of the motor under the measured current was analyzed and compared.The influence of different magnetic-field harmonics on the main radial electromagnetic force was revealed.A noise suppression technology based on the high-order permeance modulation structure was proposed,which improved the main radial electromagnetic force generated by the magnetic field modulation technology was improved,reduced the noise of compressor was reduced,and enhanced the application value of the magnetic field modulation technology in the compressor motor.The validity of the magnetic field modulation technology was verified by the experiments.

关 键 词：压缩机电机 磁场调制 电机效率 噪声 

分 类 号：TM351[电气工程—电机]