同步电机二维电磁场仿真分析  

Artificial Analysis of Two-dimensional Electromagnetic Field of a Synchronous Motor

作　　者：张猛 ZHANG Meng(The Vocational College of Track Traffic of Liaoning,Shenyang 110000,China)

机构地区：[1]辽宁轨道交通职业学院,辽宁沈阳110000

出　　处：《电气开关》2022年第4期67-71,共5页Electric Switchgear

摘　　要：在当前“双碳”目标的发展趋势下,新能源汽车日益增多。因此,提升电机效率、降低电机损耗成为同步电机的主要发展方向。本文首先介绍同步电机的结构和电磁参数。其次,根据实际情况建立同步电机二维模型,并通过Maxwell软件对所建模型进行稳态电磁仿真实验,分析发电机的磁路走向、磁通密度和磁场强度。最后,基于电磁场理论,将麦克斯韦方程作为控制方程及边际条件,通过有限元法对同步电机进行电磁分析。通过添加时间步进行瞬态电磁场仿真实验,仿真负载电机输出功率与转矩,计算损耗和效率,分析在启动和空载下,电机内部磁场的分布和变化规律。Under the current development trend of"dual carbon"target,new energy vehicles are increasing day by day.Therefore,improving motor efficiency and reducing motor loss have become the main development direction of synchronous motor.This paper first introduces the structure and electromagnetic parameters of synchronous motor.Secondly,a two-dimensional model of synchronous motor was established according to the actual situation,and Maxwell software was used to conduct steady-state electromagnetic simulation experiments on the model to analyze the magnetic circuit direction,magnetic flux density and magnetic field intensity of the generator.Finally,based on electromagnetic field theory,maxwell's equation is taken as the governing equation and the marginal condition,and electromagnetic analysis of synchronous motor is carried out by finite element method,which mainly includes magnetic path direction,magnetic flux density and magnetic field intensity.The loss and efficiency,and analyze the distribution and variation of the internal magnetic field of the motor under starting and no load.

关 键 词：电磁场分析 电机设计 

分 类 号：TM341[电气工程—电机]