摘  要：提出了一种新型直线电机，简要介绍了这种电机的基本结构及运行机理，应用Magnet软件对具有不同结构的两种电机的电磁场进行了数值计算。通过计算结果进一步分析和计算得到了低速永磁直线同步电机的二维磁场分布和气隙磁密的变化波形。所做研究为新型低速永磁直线同步电动机提供了一种行之有效的设计方法。
关键词： MAGNET；永磁直线同步电动机；低速；电磁场；数值计算

Abstract: PMSML is a new type of linear motor.The paper introduced the basic structure and working principle of PMSML.By means of FEM software Magnet,the distribution of magnet field and the waveform changes of air gap magnetic flux density was analyzed.The paper provided a effective design method for the new type of PMLSML. Key Words: Magnet;Permanent magnet linear synchronous motors;Low speed;Electro magnetic field;Numerical calculation