爪极发电机转子磁极间铜焊降低电磁激振力波研究

doi:10.11985/2016.06.001

电气工程学报 ›› 2016, Vol. 11 ›› Issue (6): 1-8.doi: 10.11985/2016.06.001

• 理论研究 • 下一篇

爪极发电机转子磁极间铜焊降低电磁激振力波研究

鲍晓华¹,李佳庆¹,魏琼¹,杨帆¹,唐奎²

1.合肥工业大学电气与自动化工程学院合肥 230009
2.中国人民解放军69223部队阿克苏拜城 842300

收稿日期:2015-10-30 出版日期:2016-06-25 发布日期:2019-12-31
作者简介:鲍晓华男 1972年生,教授,研究方向为特种电机与电机优化设计。|李佳庆男 1989年生,硕士,研究方向为新型电机与特种电机。
基金资助:
国家自然科学基金资助项目(51177033)

Reducing Exciting Force Waves of Claw Pole Alternator with Copper Welding Rotor Poles

Bao Xiaohua¹,Li Jiaqing¹,Wei Qiong¹,Yang Fan¹,Tang kui²

1.Hefei University of Technology Hefei 230009 China
2.Chinese People's Liberation Army 69223 Baicheng Akesu 842300 China

Received:2015-10-30 Online:2016-06-25 Published:2019-12-31

摘要/Abstract

摘要：

爪极发电机作为汽车上用电器的电源系统,其振动噪声问题,特别是电磁振动噪声受到广泛关注。电机定转子间的气隙磁场产生的径向电磁力波作用在定子铁心上,使定子铁心发生振动,向周边辐射电磁噪声。根据电磁场理论,在保证发电机稳定输出的前提下,提出了用铜焊连接转子磁极,以减小磁极的离心变形,达到降低发电机电磁噪声的目的。通过试验验证了本文所提出的削弱电磁振动力波方法的有效性。

关键词: 爪极发电机, 电磁振动, 径向电磁力, 降噪措施

Abstract:

As the power supply system for automobile electric appliance, claw pole alternator’s vibration and noise problems, especially the electromagnetic vibration and noise began to receive widespread attention. The radial electromagnetic force waves generated by the air gap magnetic field acts on the stator core, and makes stator core vibrate and then radiate noise to the surrounding. Based on the theory of electromagnetic field, the method based on brazing poles to reduce the centrifugal distortion and electromagnetic noise through fastening claw poles is put forward. An experiment platform is designed and the effectiveness of the proposed denoising methods is verified.

Key words: Claw pole alternator, electromagnetic vibration, radial electromagnetic force, noise reduction measure

中图分类号:

TM310

鲍晓华,李佳庆,魏琼,杨帆,唐奎. 爪极发电机转子磁极间铜焊降低电磁激振力波研究[J]. 电气工程学报, 2016, 11(6): 1-8.

Bao Xiaohua,Li Jiaqing,Wei Qiong,Yang Fan,Tang kui. Reducing Exciting Force Waves of Claw Pole Alternator with Copper Welding Rotor Poles[J]. Journal of Electrical Engineering, 2016, 11(6): 1-8.

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参考文献 13

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分项	力波频率	力波阶数
①	2μf	2μp
②	(μ₂±μ₁)f	(μ₂±μ₁)p
③	2μf	2μp
④	2μf	2μp
⑤	2μf	2μp±(k₂±k₁)Z₁
⑥	(μ₂±μ₁)f	(μ₂±μ₁)p±2kZ₁
⑦	(μ₂±μ₁)f	(μ₂±μ₁)p
⑧	(μ₂±μ₁)f	(μ₂±μ₁)p±(k₂±k₁)Z₁
⑨	(μ₂±μ₁)f	(μ₂±μ₁)p±kZ₁

参数	数值
额定功率因数	0.6
极对数	6
定子槽数	36
定子外径/mm	115
定子内径/mm	90.2
气隙长度/mm	0.3
极轭直径/mm	45.6
磁极长度/mm	27.2

爪极发电机转子磁极间铜焊降低电磁激振力波研究

Reducing Exciting Force Waves of Claw Pole Alternator with Copper Welding Rotor Poles

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