永磁无刷直流电机换相转矩分析  

The Analysis of Commutation Torque Ripple for Permanent-Magnet Brushless DC Motor

作　　者：马春生[1] 李国国[1] 

机构地区：[1]北京交通大学电气工程学院,北京100044

出　　处：《荆门职业技术学院学报》2005年第6期10-14,共5页Journal of Jingmen Technical College

摘　　要：介绍了人工心脏轴流式血泵永磁无刷直流电机换相转矩脉动变化过程.根据影响电机换相转矩脉动的因素,给出了减小电机转矩脉动的解决方案,以使电机运行更加平稳.通过实验波形证实本结论分析正确,可以为电机减小转矩脉动作为参考.This paper introduces Commutation torque ripple process of the axial blood pump of an artificial heart brushless DC motor. According to the factor that influence the Commutation torque ripple of motor. The paper gives a solution to decrease the torque ripples and make the performance more steady. The experimental figure approve the conclusion is right Can as reference for minish Commutation torque ripple.

关 键 词：换相转矩脉动 永磁无刷直流电机 PWM调制方式 

分 类 号：TM351[电气工程—电机]