摘要
采用两维伽辽金有限元方法计算了往复工作的单相管型直线感应电动机的电磁场及驱动力。运用对称分量法分析不对称绕组电流在气隙中产生的非均匀磁势。对仿栅形次级铁磁媒质各向异性的等效处理减少了剖分单元数,显著地节约了计算机机时。运用等效磁导率使得性能计算值与样机测试值的吻合较好。
Detailed predication of magnetic field and driving force for the motor is obtained with Galerkin finite element analysis. Symmetrical-component method is used to analyse asymmetric winding currents. Equivalent treatment of imitated grid secondary ferromagnetic anisotropic medium reduces the number of elements and computer-time. Computed results well coincide with experimental ones.
关键词
直线电动机
电机特性
电磁场分析
linear motor, motor performances, electromagnetic field analysis, single-phase motor.
