|本期目录/Table of Contents|

[1]于慎波,钟双双,赵海宁,等. 降低永磁同步电动机噪声的方法[J].电机与控制学报,2018,22(07):19-26.[doi:10.15938/j.emc.2018.07.003]
 motorYU Shen-bo,ZHONG Shuang-shuang,ZHAO Hai-ning,et al. Methods of reducing noise of permanent magnet synchronous[J].,2018,22(07):19-26.[doi:10.15938/j.emc.2018.07.003]
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 降低永磁同步电动机噪声的方法(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
22
期数:
2018年07
页码:
19-26
栏目:
出版日期:
2018-10-31

文章信息/Info

Title:
 Methods of reducing noise of permanent magnet synchronous
作者:
 于慎波 钟双双 赵海宁 翟凤军 李红 郭凯
 ( 沈阳工业大学 机械工程学院,辽宁 沈阳 110870)
Author(s):
 motorYU Shen-bo ZHONG Shuang-shuang ZHAO Hai-ning ZHAI Feng-junLI Hong GUO Kai
 ( Institute of Mechanical Engineering,Shenyang University of Technology,Shenyang 110870,China)
关键词:
噪声 永磁同步电动机 力源 固有模态 相对声强系数
Keywords:
noise permanent magnet synchronous motor force source natural mode coefficient of rela-tive sound intensity
分类号:
TM 351
DOI:
10.15938/j.emc.2018.07.003
文献标志码:
A
摘要:
  从永磁同步电动机声压级频谱分析着手,分析主要峰值频率的来源。首先,通过实验获取了在 4k Hz 开关频率下、满载工况时永磁同步电动机的声压级频谱图,找出对应的主要峰值频率。其次,从三个方面分析了产生声压级峰值的原因。产生主要声压级峰值的频率包括旋转频率、极对数频率、每相齿槽频率、齿槽频率、径向电磁力频率、开关频率等力源频率。通过实验模态分析测得了定子系统的固有模态频率和振型。计算了考虑轴向模态的相对声强系数。最后,提出了降低噪声的综合解决方案,使某型号永磁同步电动机满载时额定转速下噪声值降低了 5d B( A) 。为低噪声永磁同步电动机的设计提供了参考。
Abstract:
 Starting with the analysis of sound pressure level ( SPL) spectrum of permanent magnet syn-chronous motor ( PMSM) ,the sources of the main peak frequencies are analyzed. Firstly,the SPL spec-trum of PMSM was obtained by the experiment under the conditions of switching frequency 4k Hz and fullload. Meanwhile,the corresponding main peak frequencies were found out. Secondly,the producing rea-sons of SPL peaks were analyzed from three aspects. The frequencies of producing main SPL peaks includeforce source frequencies of rotational frequency,the polar logarithmic frequency,cogging frequency of eachphase,cogging frequency,frequency of radial electromagnetic force,switching frequency and so on. By theexperimental modal analysis,
the natural modal frequencies and modal shapes of the stator system were ob-tained. The coefficient of relative sound intensity of considering axial mode was calculated. Finally,a com-prehensive solution was proposed to reduce the noise. The value of noise of the PMSM was reduced by5d B( A) at rated speed and full load. The study provides references for the design of the low noise PMSM.

参考文献/References:

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备注/Memo

备注/Memo:
 收稿日期: 2016 - 09 - 09
基金项目: 国家自然科学基金( 51175350) ; 沈阳市科技计划项目( F15 - 199 - 1 - 13)
作者简介: 于慎波( 1958—) ,男,博士,教授,博士生导师,研究方向为转子动力学和电机振动噪声的抑制技术;
钟双双( 1991—) ,女,博士研究生,研究方向为永磁同步电动机噪声的抑制技术;
赵海宁( 1981—) ,男,博士研究生,研究方向为电机振动噪声的控制技术;
翟凤军( 1989—) ,男,硕士研究生,研究方向为电机的材料与噪声的关系;
李 红( 1989—) ,女,硕士研究生,研究方向为电主轴的疲劳计算;
郭 凯( 1992—) ,男,硕士研究生,研究方向为电机振动噪声的分析与计算
更新日期/Last Update: 2018-09-03