无刷直流电动机的径向不平衡电磁力对振动噪声的影响及其削弱方法  

Influence and Reduction of Radial Electromagnetic Force on Vibration and Noise in Brushless DC Motors

作　　者：高宏伟 松本健二 陈宝[2] 

机构地区：[1]ORIENTAL MOTOR CO.LTD.日本 [2]中国电子科技集团公司第21研究所,上海200233

出　　处：《微特电机》2007年第4期1-3,7,共4页Small & Special Electrical Machines

摘　　要：比较了9槽8极和9槽10极无刷直流电动机的特点,分析探讨了无刷直流电动机负载情况下径向不平衡电磁力的性质、对电动机振动噪声的影响,介绍了振动和噪声的实验结果及其削弱方法。The characteristics of radial electromagnetic force in 9 -slot/8 -pole and 9 -slot/10 -pole brushless DC motors was stated and its influence on vibration and noise was observed through magnetic field analysis, and experiment results were analyzed. It also showed how to reduce the motor vibration and noise.

关 键 词：无刷直流电动机 9槽8极 9槽10极 径向电磁力 振动 噪声 正弦波驱动 

分 类 号：TM33[电气工程—电机]