|本期目录/Table of Contents|

[1]赵文峰,赵博,徐永向. 磁场干涉对永磁电机电磁力特性影响研究[J].电机与控制学报,2018,22(02):33-40.[doi:10.15938/j.emc.2018.02.005]
 ZHAO Wen-feng,ZHAO Bo,XU Yong-xiang. Research of permanent magnet motors cogging force affectedby interferential magnetic field[J].,2018,22(02):33-40.[doi:10.15938/j.emc.2018.02.005]
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 磁场干涉对永磁电机电磁力特性影响研究(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02
页码:
33-40
栏目:
出版日期:
2018-02-15

文章信息/Info

Title:
 Research of permanent magnet motors cogging force affectedby interferential magnetic field
作者:
 赵文峰12 赵博3 徐永向3
 ( 1. 船舶振动噪声重点实验室,江苏 无锡 214082; 2. 中国船舶科学研究中心,江苏 无锡 214082;3. 哈尔滨工业大学 电气工程及自动化学院,黑龙江 哈尔滨 150001)
Author(s):
 ZHAO Wen-feng12 ZHAO Bo3 XU Yong-xiang3
 ( 1. National Key Laboratory on Ship Vibration & Noise,Wuxi 214082,China; 2. China Ship Science Research Center,Wuxi 214082,China; 3. School of Electrical Engineering and Automation,Harbin Institute of Technology,Harbin 150001,China)
关键词:
永磁电机 电磁力 径向力 电磁振动噪声 谐波干涉
Keywords:
 PM motors electromagnetic force radial force electromagnetic vibration and noise harmon-ic interference
分类号:
TM351
DOI:
10.15938/j.emc.2018.02.005
文献标志码:
A
摘要:
 针对亲水永磁电机水下噪声声学指向性问题,用理论和数值仿真的方法研究了分数槽电机,在理想正弦波供电、含有谐波电流供电时,磁势干涉后齿上径向力的特点。发现理想正弦波供电时,齿上径向力间隔特定个齿后周期性出现。相电流中存在谐波电流,耦合磁势的频率不相互干涉时,齿上径向力时域无周期性,频域幅值依然存在周期性; 若耦合磁势干涉时,则时域、频率都不存在周期性。实验的相电流存在大量可耦合出干涉磁势的谐波电流,振动测试的结果验证了干涉后,电磁力频域幅值非周期性的规律。不同的径向力会导致齿上不同的振动。该理论可以从电磁力激励源上解释亲水永磁电机水下噪声声学指向性的现象。
Abstract:
 Aiming at the underwater acoustical directivity of permanent magnet ( PM) motor,theoreticaland numerical simulation methods are used to study radial force characteristics of fractional slot motor,when ideal sine wave power and containing harmonic current power supplied. It is found that radial forceof the fractional slot PM motor with ideal sinusoidal phase current periodically appears after some teeth.When phase current contains noninterfering harmonic current,the radial force is aperiodic in time do-main,
but it is still periodic in frequency domain. When harmonic current in phase current is interferen-tial,the radial force is aperiodic in both time domain and frequency domain. The aperiodic law is verifiedby an experiment in which phase current containing interfering harmonic current caused by pulse widthmodulation ( PWM) . The radial force is the driving source of electromagnetic vibration and noise. Differ-ent forces leads to different vibrations on tooth. The aperiodic law of radial force can explain the acousticdirectivity.

参考文献/References:

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备注/Memo

备注/Memo:
 收稿日期: 2016 - 07 - 10
基金项目: “863”计划( 2012AA09A306)
作者简介: 赵文峰( 1981—) ,男,高级工程师,研究方向为电力推进;
赵 博( 1978—) ,男,博士,副教授,研究方向为电机及其控制、电机优化设计;
徐永向( 1975—) ,男,博士,教授,博士生导师,研究方向为电机及其控制、电机优化设计
更新日期/Last Update: 2018-06-29