[1]朱 敏,丁树业,江 欣,等.具有自调节通风性能的大型永磁同步发电机内流热特性数值研究[J].南京师范大学学报(工程技术版),2019,(01):001.[doi:10.3969/j.issn.1672-1292.2019.01.001]
 Zhu Min,Ding Shuye,Jiang Xin,et al.Numerical Study of Internal Flow Thermal Characteristics of Large PermanentMagnet Synchronous Generator with Self-Regulating Ventilation Performance[J].Journal of Nanjing Normal University(Engineering and Technology),2019,(01):001.[doi:10.3969/j.issn.1672-1292.2019.01.001]
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具有自调节通风性能的大型永磁同步发电机内流热特性数值研究
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南京师范大学学报(工程技术版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2019年01期
页码:
001
栏目:
电气与自动化工程
出版日期:
2019-03-30

文章信息/Info

Title:
Numerical Study of Internal Flow Thermal Characteristics of Large PermanentMagnet Synchronous Generator with Self-Regulating Ventilation Performance
文章编号:
1672-1292(2019)01-0001-07
作者:
朱 敏丁树业江 欣刘 玮
南京师范大学南瑞电气与自动化学院,江苏 南京 210023
Author(s):
Zhu MinDing ShuyeJiang XinLiu Wei
School of NARI Electrical and Automation,Nanjing Normal University,Nanjing 210023,China
关键词:
永磁同步发电机流-热耦合三维温度场有限体积元数值计算
Keywords:
permanent magnet synchronous generator(PMSG)flow-thermal couplingthree-dimensional temperature fieldfinite volume methodnumerical calculation
分类号:
TM313
DOI:
10.3969/j.issn.1672-1292.2019.01.001
文献标志码:
A
摘要:
为了探究具有自调节通风功能的结构紧凑型大型永磁同步发电机内部流体流变特性及温升分布规律,以一台6 MW永磁同步发电机为例,基于电机学和数值传热学理论,结合流-热耦合机理,根据电机实际冷却结构选择一个周期作为求解域,建立三维流体场与温度场耦合分析数学模型及物理模型. 采用有限体积元法对永磁同步电机三维温度场进行数值研究,对发电机定转子铁心、定子绕组与绝缘以及永磁体的温升分布特性进行详细分析. 通过与电机绝缘温升限值的对比分析,验证了其求解方法的合理性以及计算结果的准确性,为永磁同步发电机温升的计算及通风结构的设计提供参考依据.
Abstract:
In order to explore the internal fluid rheological characteristics and temperature rise distribution of large compact permanent magnet synchronous generator(PMSG)with self-regulating ventilation function,this paper takes a 6 MW PMSG as an example,bases on the theory of electro-mechanics and numerical heat transfer, combines with the flow thermal coupling mechanism,a period is selected as the solution domain according to the actual cooling structure of the generator,the mathematical model and physical model of the coupling of 3D flow field and temperature field are established. The finite volume element method is used to study the 3D temperature field of PMSG,and the distribution characteristics of stator and rotor core,stator winding and its insulation,and permanent magnet are analyzed in detail. The rationality of the method and accuracy of the calculation results are verified by the comparison with and analysis of the ceiling value of the insulation temperature of the motor. This paper provides reference for the calculation of temperature rise of permanent magnet synchronous generator and the design of ventilation structure.

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备注/Memo

备注/Memo:
收稿日期:2018-10-24.
基金项目:国家自然科学基金(51277045)、哈尔滨科技创新人才项目(2016RAXXJ026).
通讯联系人:丁树业,博士,教授,研究方向:电机综合物理场数值分析及特种电机理论. E-mail:dingshuye@163.com
更新日期/Last Update: 2019-03-30