|本期目录/Table of Contents|

[1]孟大伟,李金箫,于喜伟.转子轴向通风孔对高压感应电机性能的影响[J].电机与控制学报,2020,24(01):38-44.[doi:10.15938/j.emc.2020.01.005]
 MENG Da-wei,LI Jin-xiao,YU Xi-wei.Effect of axial ventilation holes on performance of high voltage induction motor[J].,2020,24(01):38-44.[doi:10.15938/j.emc.2020.01.005]
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转子轴向通风孔对高压感应电机性能的影响(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
24
期数:
2020年01
页码:
38-44
栏目:
出版日期:
2020-01-15

文章信息/Info

Title:
Effect of axial ventilation holes on performance of high voltage induction motor
作者:
孟大伟 李金箫 于喜伟?
( 哈尔滨理工大学 电气与电子工程学院,哈尔滨 150080)
Author(s):
MENG Da-wei LI Jin-xiao YU Xi-wei
?( School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China)
关键词:
高压电机 有限元分析 铁耗计算 转子磁场 轴向通风孔 谐波磁场
Keywords:
high voltage motor finite element analysis calculation of iron loss rotor field axial vent hole harmonic magnetic field
分类号:
TM 343. 2
DOI:
10.15938/j.emc.2020.01.005
文献标志码:
A
摘要:
为了有效降低电机温升对空空冷却方式的高压感应电机转子轭部开轴向通风孔,但原来基 于磁路的算法计算出的电机铁耗、功率因数、额定电流等电磁性能与实际偏差较大; 针对此问题提 出基于有限元的场—路—运动耦合分析方法,以 YXKK355 -4、 355 kW 电机为例,利用电机的基本 数学模型和实际的物理模型,对不同通风方式的电机建模,分析电机谐波磁场、气隙磁密等电磁参 数; 基于有限元的方式改进了传统三项式计算铁耗的模型,得到与试验值相近的结果; 最后,基于轴 向通风孔对转子磁场影响的分析结果,给出一种改进型通风孔的方案,为今后转子轴向通风孔设计 提供理论依据。
Abstract:
?In order to effectively reduce the temperature rise of the motor, axial ventilation holes were opened on the rotor yoke of the high-voltage induction motor with airto-air cooling mode. However, the original electromagnetic performance calculated based on the magnetic circuit algorithm, such as iron consumption, power factor, rated current and so on, deviates greatly from the actual situation. By the finite element field-circuit-motion coupled analysis method, YXKK3554, 355 kW medium sized high voltage asynchronous motor was taken as an example. Based on the basic mathematical model and the actual physical model of the motor, the electromagnetic parameters such as harmonic magnetic field and air gap magnetic density were analyzed. Based on the finite element method, the traditional three term calculation model of iron loss is improved, and the result is close to the test value. Finally, based on the analysis result of the influence of the axial ventilation hole on the rotor magnetic field, an improved ventilation hole scheme was proposed, which provides the theoretical basis for the design of the axial ventilation hole of the rotor in the future.?

参考文献/References:

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备注/Memo

备注/Memo:
?收稿日期: 2017 -03 -10?
基金项目: 国家自然科学基金( 51275137)?
作者简介: 孟大伟( 1956—) ,男,博士,教授,博士生导师,研究方向为电机设计及电机内综合物理场计算等;?
? ? ? ? ? ? ? ? 李金箫( 1991—) ,男,硕士研究生,研究方向为电机内物理场数值计算及电机冷却技术;?
? ? ? ? ? ? ? ? 于喜伟( 1988—) ,男,博士研究生,工程师,研究方向为高压异步电机设计。?
通信作者: 李金箫

更新日期/Last Update: 2020-05-04