180°导通方式无刷直流电机换相转矩脉动研究  

Research on commutation torque ripple of brushless DC motor for 180° conduction mode

作　　者：陈震[1] 薛晓明[2] 

机构地区：[1]泰州职业技术学院信息工程学院,江苏泰州225300 [2]常州信息技术学院计算机分院,江苏常州213164

出　　处：《电测与仪表》2016年第1期57-61,74,共6页Electrical Measurement & Instrumentation

基　　金：江苏省泰州市科技支撑计划(SGY20140025)

摘　　要：无刷直流电机(BLDCM)换相转矩脉动一直是业界关注的问题,但仅限于120°导通模式。文章研究了180°导通模式无刷直流电机在换相期间的转矩脉动变化,并与120°导通方式转矩脉动进行了比较。理论分析和仿真结果表明:电机在低速区域,120°导通模式比180°导通模式转矩脉动变化小,而在高速区域,180°导通模式比120°导通模式转矩脉动变化小。研究结果为无刷直流电机换相转矩脉动抑制提供了一种新的控制策略。The commutation torque ripple for brushless dc motor（ BLDCM） has been an issue of concern to the industry,but the research is limited to 120° conduction mode. This paper studies the change of commutation torque ripple of brushless dc motor in the 180° conduction mode,and compares with 120° conduction mode. The theoretical analysis and simulation results show that the torque ripple of 120° conduction mode is less than 180° conduction mode at low speed,and that the torque ripple of 180° conduction mode is less than 120° conduction mode at high speed. The research results provides a new control strategy for suppression of the commutation torque ripple of BLDCM.

关 键 词：无刷直流电机 转矩脉动 120°导通方式 180°导通方式 

分 类 号：TM33[电气工程—电机]