抑制九相永磁电动机转矩波动的研究  

Study on Torque Ripple Reduction of Nine Phases PM Motor

作　　者：于涛[1] 刘林生[1] 顾洪俭[1] 陈磊[1] 

机构地区：[1]中国船舶重工集团公司第704研究所,上海200031

出　　处：《船舶工程》2010年第S2期89-91,共3页Ship Engineering

摘　　要：为抑制多相永磁同步电动机的转矩波动,提出了采用优化极弧系数、磁极削角、磁极开辅助槽的方法,并针对400kW九相永磁低速大转矩电动机,进行了2D有限元仿真计算.分析表明,优化极弧系数能明显改善电动机的转矩波动性能,同时结合磁极削角、磁极开辅助槽的方法,能进一步削弱电机的转矩波动.In order to reduce the multi-phase permanent magnet synchronous motor torque ripple, this paper presents the optimal pole-arc coefficient, chamfering magnetic poles and open auxiliary slot on poles method.According to the 400kW nine-phase permanent magnet low-speed and high-torque motor, the 2D finite element simulation model has been calculated.Analysis showed the optimization of pole-arc coefficient can significantly improve the performance of the motor torque ripple.Combined with chamfering magnetic poles, open auxiliary slot on poles optimization method, it can further reduce the motor torque ripple.

关 键 词：电力推进 永磁电机 多相电机 转矩波动 

分 类 号：TM351[电气工程—电机]