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开关型磁阻电动机固有频率解析计算
引用本文:王宏华,王治平,江泉.开关型磁阻电动机固有频率解析计算[J].中国电机工程学报,2005,25(12):0-137.
作者姓名:王宏华  王治平  江泉
作者单位:1. 河海大学,江苏省,南京市,210098
2. 东南大学,江苏省,南京市,210096
基金项目:国家自然科学基金项目(59977005)。~~
摘    要:运用机电类比法分析了开关型磁阻电动机(SRM)定子振动特性,针对传统解析计算方法仅将定子凸极和绕组以附加质量归入磁轭、但不计其刚度影响的局限性,提出了基于定子凸极归算算法的SRM固有频率解析计算方法。两台典型结构的SRM样机解析计算和二维有限元分析、模态实验结果表明,采取不计定子绕组影响而等效计及定子凸极对磁轭质量和刚度影响的机械阻抗法是一种对SRM定子振动特性进行解析分析的工程实用方法。

关 键 词:开关型磁阻电动机  固有频率  解析计算方法  二维有限元分析  振动特性  机械阻抗法  SRM  附加质量  典型结构  模态实验  解析分析  定子绕组  类比法  凸极  局限性  磁轭  刚度
文章编号:0258-8013(2005)12-0133-05
收稿时间:2004-09-08
修稿时间:2005年1月31日

ANALYTICAL CALCULATING OF NATURAL FREQUENCIES OF STATORS OF SWITCHED RELUCTANCE MOTOR BASED ON ELECTROMECHANICAL ANALOGY METHOD
WANG Hong-hua,WANG Zhi-ping,Jiang Quan.ANALYTICAL CALCULATING OF NATURAL FREQUENCIES OF STATORS OF SWITCHED RELUCTANCE MOTOR BASED ON ELECTROMECHANICAL ANALOGY METHOD[J].Proceedings of the CSEE,2005,25(12):0-137.
Authors:WANG Hong-hua  WANG Zhi-ping  Jiang Quan
Affiliation:WANG Hong-hua1,WANG Zhi-ping2,JIANG Quan1
Abstract:The vibration characteristics of stators of switched reluctance motors(SRM) are analyzed based on electromechanical analogy method in this paper. An improved analytical method for calculating the natural frequencies of stators of SRM is presented, aiming at to overcome the limitations of the previous analytical method in which the influence of stator salient poles and stator windings on the natural frequencies of stators of SRM is treated simply as an additional mass .The improved analytical method in which the influence of the windings on natural frequencies is neglected and the stator salient poles are treated as both additional mass and additional equivalent stiffness was used to calculate the natural frequencies of two prototype SRMs with typical construction. Both 2D finite-element calculations and experimental modal analysis results show the improved method is an useful simplified analytical method for calculating vibration characteristics in SRM .
Keywords:Switched reluctance motor  Vibration  Electromechanical analogy method  Natural frequency
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