说明：  永磁电机的电感计算工具，在用有限元仿真软件JMAG仿真时，可通过此教程对电机电感进行计算，方便快捷
(When using the finite element simulation software jmag to simulate the inductance of the permanent magnet motor, the inductance of the motor can be calculated through this course, which is convenient and fast)