绕线式异步电机三维温度场仿真分析

doi:1004-7018(2019)06-0006-04

微特电机 ›› 2019, Vol. 47 ›› Issue (6): 6-9.doi: 1004-7018(2019)06-0006-04

绕线式异步电机三维温度场仿真分析

杨震^1,²,丁涛²,郭媛¹

^1. 武汉科技大学,武汉 430081
^2. 湖北工程学院,孝感 432000

收稿日期:2018-05-29 出版日期:2019-06-28 发布日期:2019-07-01
作者简介:杨震(1994—),男,硕士研究生,主要从事载流摩擦磨损性能研究。
基金资助:
湖北省科技厅项目(2015CFB369)

Simulation Analysis of 3D Thermal Field of Windings Rotor Asynchronous Motor

YANG Zhen^1,²,DING Tao²,GUO Yuan¹

^1. Wuhan University of Science and Technology, Wuhan 430081,China
^2. Hubei Engineering University, Xiaogan 432000, China

Received:2018-05-29 Online:2019-06-28 Published:2019-07-01

摘要/Abstract

摘要：

针对绕线式异步电机时常出现过热、起火、碳刷磨损较严重问题,以YR132M1-4型电机为研究对象,建立了电机三维有限元模型。在理论分析的基础上,确定模型边界条件,对电机温度场和应力场进行仿真研究;并给出了电刷系统的电流密度矢量分布图,对电机进行了模态分析。仿真结果显示,电机电刷系统温升最高且所受应力较大;电机运转过程中,出现部分碳刷电流密度过大、弹簧压片压力不均匀以及易产生噪声等现象。该研究为电机电刷系统故障检测及性能优化提供理论参考,与实际中各类电刷系统发热机理相似。

关键词: 异步电机, 温度场, 应力场, 电刷, 有限元分析

Abstract:

Aiming at usual problems of windings rotor asynchronous motor such as overheating, fire breaking out and carbon brush severe wear, three-dimensional finite element model was built based on the motor YR132M1-4. Both the thermal field and stress field were studied based on the boundary conditions which were determined by theoretical analysis, the current density vector distribution of the system was shown. The modal analysis of the motor was conducted. The simulation results showed that the brush system has the highest temperature rise and the maximum stress. During the process of running, there appeared partly large current density of carbon brush, the spring pressure was uneven and easy to make a noise, etc. It also provides theoretical references for motor brush system failure detection and performance optimization, which is similar to the heating mechanism of various brush systems in practice.

Key words: asynchronous motor, thermal field, stress field, brush, finite element analysis

中图分类号:

杨震, 丁涛, 郭媛. 绕线式异步电机三维温度场仿真分析[J]. 微特电机, 2019, 47(6): 6-9.

YANG Zhen, DING Tao, GUO Yuan. Simulation Analysis of 3D Thermal Field of Windings Rotor Asynchronous Motor[J]. Small & Special Electrical Machines, 2019, 47(6): 6-9.

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绕线式异步电机三维温度场仿真分析

Simulation Analysis of 3D Thermal Field of Windings Rotor Asynchronous Motor

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