低速直驱永磁同步电动机及其起动性能研究

Research of low-speed direct-drive permanent magnet synchronous motor and performance of starting

利用低速直驱永磁同步电动机(PMSM)的一些电磁设计公式,结合低速电机的设计特点,完成了电机结构设计、参数计算以及工作特性和起动特性的分析,最终确定了方案.采用Ansoft电磁分析软件,通过场路耦合的计算方法,计算了电机瞬态性能参数,并通过不断地调整设计值,得到电磁设计方案.实验结果表明,低速直驱低速大转矩永磁同步电动机实验所得数据和应用程序设计结果基本一致,证明了程序的正确可行、简单方便.该研究对于进一步完善永磁同步电动机的设计具有重要理论意义和工程价值.

In this paper,by using some generic electromagnetic design formula of low-speed direct-drive permanent magnet synchronous motor,combining with multi-pole motor design features,the motor design,parameter calculation and work characteristics and starting characteristics of the analysis are completed,the program is finally determined.Ansoft electromagnetic analysis software is used by field-circuit coupled method to calculate the transient performance of the motor parameters.The electromagnetic design is finished by constantly adjusting design value.The results show that low-speed direct-drive permanent magnet synchronous motor torque and the experimental data is consistent application design,the correct procedure proved feasible,simple and convenient.This research work,further improve the design of permanent magnet synchronous motor has important theoretical significance and value of the works.