磁场削弱的永磁同步电动机的磁通畸变和铁损失  

Flux Distortion and Iron Loss of Permanent Magnet Synchronous Motor with Magnetic Fields Weakening

作　　者：刘琨[1] 

机构地区：[1]沈阳职业技术学院,沈阳110045

出　　处：《煤炭技术》2012年第6期74-75,共2页Coal Technology

摘　　要：在弱磁环境中,铁损失是由电子金属和计算通量分布在四极永磁同步电动机的核心特性决定的,总的电机铁损失由滞后、经典涡流和超额损耗的总和决定。场变化的一个完整周期中使用静态二维有限元软件进行磁场条件下的数值模拟,得到磁感应强度B(T)在电机的所有部分的分布。Iron loss was determined by the core characteristics of four-pole permanent magnet synchronous motors with electronic metals and calculation flux bistribution at the weak magnetic environment. The total iron loss of a motor is determined by the sum of hysteresis, classical eddy current and excess loss. 2D finite elemtne software was used in a complete cycle of magnetic field changes for unmerical simulation in magnetic field conditions. The distribution of flux density B（T） in all parts of motors was obtained.

关 键 词：永磁体同步电机 磁通减弱 磁通失真 铁损失 

分 类 号：TM341[电气工程—电机]